JP2005079228A - Method of manufacturing laminate unit for laminated electronic component and method of manufacturing laminate unit set for laminated electronic component containing at least one laminate unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a laminate unit by which the deformation and breakage of a ceramic green sheet (hereinafter, called a green sheet) can be prevented and the solvent contained in electrode paste can be prevented from soaking in the green sheet. <P>SOLUTION: The method of manufacturing laminate unit includes: a step of forming the green sheet 2 on a first supporting sheet 1; a step of forming a releasable layer 5, an electrode layer 6, and a spacer layer 7 on a second supporting sheet; and a step of forming an adhesive layer 10 on a third supporting sheet. The method also includes: a step of transferring the adhesive layer 10 to the electrode layer 6 and spacer layer 7 by closely adhering the layer 10 to the layers 6 and 7, and pressing the layer 10 against the layers 6 and 7; a step of peeling the third supporting sheet from the adhesive layer 10; and a step of forming a laminate roll, in which the releasable layer 5, electrode layer 6, spacer layer 7, adhesive layer 10, and an intermediate sheet having recessed and projecting sections of 1-10 μm in height on one surface are laminated upon another, on the second supporting sheet by adhering the intermediate sheet to the surface of the adhesive layer 10, so that the rugged surface of the sheet may come into contact with the layer 10. The method further also includes: a step of peeling the intermediate sheet from the adhesive layer 10 by drawing out a laminate from the laminate roll; a step of adhering the green sheet 2 on the first supporting sheet 1 and the adhesive layer 10 to each other; and a step of peeling the first supporting sheet 1 from the green sheet 2. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a method of manufacturing a multilayer unit for a multilayer electronic component in which a ceramic green sheet and an electrode layer are stacked, and a method of manufacturing a multilayer unit set for a multilayer electronic component including at least one multilayer unit. More specifically, the ceramic green sheet can be prevented from being deformed and broken, and the solvent in the electrode paste can be prevented from penetrating into the ceramic green sheet, and the ceramic green sheet and the electrode layer are laminated. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a multilayer unit for a multilayer ceramic electronic component capable of manufacturing a multilayer unit as desired, and a method for manufacturing a multilayer unit set for a multilayer electronic component including at least one multilayer unit. It is.

  In recent years, along with the miniaturization of various electronic devices, there has been a demand for miniaturization and high performance of electronic components mounted on electronic devices, and even in multilayer ceramic electronic components such as multilayer ceramic capacitors, There is a strong demand for an increase in the number of layers and a thinner layer unit.

  To manufacture multilayer ceramic electronic components represented by multilayer ceramic capacitors, first, ceramic powder, binders such as acrylic resin and butyral resin, and plastics such as phthalates, glycols, adipic acid, and phosphates are used. A dielectric paste is prepared by mixing and dispersing an agent and an organic solvent such as toluene, methyl ethyl ketone, and acetone.

  Next, the dielectric paste is applied onto a support sheet formed of polyethylene terephthalate (PET) or polypropylene (PP) using an extrusion coater or a gravure coater, and heated to dry the coating film. A ceramic green sheet is produced.

  Further, an electrode paste such as nickel is printed in a predetermined pattern on a ceramic green sheet by a screen printer or the like and dried to form an electrode layer.

  When the electrode layer is formed, the ceramic green sheet on which the electrode layer is formed is peeled from the support sheet to form a laminate unit including the ceramic green sheet and the electrode layer, and a desired number of laminate units are laminated. The resulting laminate is cut into chips to produce a green chip.

  Finally, the binder is removed from the green chip, the green chip is fired, and external electrodes are formed, whereby a multilayer ceramic electronic component such as a multilayer ceramic capacitor is manufactured.

  Due to the demand for miniaturization and high performance of electronic components, it is now required that the thickness of the ceramic green sheet that determines the interlayer thickness of the multilayer ceramic capacitor be 3 μm or 2 μm or less, and more than 300 ceramic green sheets And a laminate unit including an electrode layer are required to be laminated.

  However, when an electrode paste is formed on an extremely thin ceramic green sheet to form an electrode layer, the solvent in the electrode paste dissolves or swells the binder component of the ceramic green sheet. Thus, there is a problem that the electrode paste soaks into the ceramic green sheet, which causes a short circuit failure.

Therefore, in Japanese Patent Laid-Open Nos. 63-51616 and 3-250612, the internal electrode pattern paste is printed on another support sheet to form an electrode layer, and then the electrode layer is dried and dried. A method of thermally transferring the electrode layer to the surface of the ceramic green sheet has been proposed.
JP-A-63-51616 Japanese Patent Laid-Open No. 3-250612

  However, this method has a problem that it is difficult to peel the support sheet from the electrode layer transferred to the surface of the ceramic green sheet.

  Further, in order to thermally transfer and bond the dried electrode layer to the surface of the ceramic green sheet, it is necessary to apply a high pressure at a high temperature. Therefore, the ceramic green sheet and the electrode layer are deformed, and in some cases Has a problem that the ceramic green sheet is partially broken.

  Therefore, the present invention can prevent the deformation and destruction of the ceramic green sheet and can prevent the solvent in the electrode paste from permeating into the ceramic green sheet, and the lamination in which the ceramic green sheet and the electrode layer are laminated. Provided is a method for manufacturing a multilayer unit for a multilayer ceramic electronic component that can be manufactured as desired, and a method for manufacturing a multilayer unit set for a multilayer electronic component including at least one multilayer unit. It is for the purpose.

  The object of the present invention is to provide a step of forming a ceramic green sheet on the surface of the first support sheet, a step of forming a release layer on the surface of the second support sheet, and a surface on the surface of the release layer. And forming a spacer layer in a pattern complementary to the electrode layer, forming an adhesive layer on the surface of the third support sheet, and the third layer A step of bringing the surface of the adhesive layer formed on the support sheet into close contact with the surfaces of the electrode layer and the spacer layer, applying pressure, and transferring the adhesive layer to the surfaces of the electrode layer and the spacer layer And a step of peeling the third support sheet from the adhesive layer, an intermediate sheet having irregularities with a height of 1 μm to 10 μm formed on at least one surface, and the at least one surface being the adhesive layer A step of adhering to the surface of the adhesive layer so as to contact, and a laminate in which the release layer, the electrode layer, the spacer layer, the adhesive layer and the intermediate sheet are laminated on the surface of the second support sheet The intermediate sheet is peeled off from the step of forming a laminate roll, the step of feeding out the laminate from the laminate roll, and the adhesive layer of the laminate fed out from the laminate roll. A step of bringing the surface of the ceramic green sheet formed on the surface of the first support sheet into close contact with the surface of the adhesive layer of the laminate, pressurizing and bonding, and the ceramic green sheet The first support sheet is peeled off to produce a laminate unit in which the electrode layer and the spacer layer are laminated. Tsu is achieved by the method for manufacturing a multilayer unit for click electronic components.

  According to the present invention, the ceramic green sheet is configured to be transferred to the surface of the electrode layer and the spacer layer via the adhesive layer bonded to the surface of the electrode layer and the spacer layer. The ceramic green sheet can be transferred to the surface of the electrode layer and the spacer layer, and thus the ceramic green sheet is reliably prevented from being deformed and broken, and the laminate unit including the ceramic green sheet, the electrode layer, and the spacer layer Can be manufactured.

  Further, according to the present invention, the electrode layer and the spacer layer can be formed on the surface of the second support sheet, dried, and then adhered to the surface of the ceramic green sheet via the adhesive layer. It is possible to reliably prevent the solvent in the electrode paste from dissolving or swelling the binder component of the ceramic green sheet, and at the same time, to prevent the electrode paste from penetrating into the ceramic green sheet. A laminate unit including a sheet, an electrode layer, and a spacer layer can be manufactured.

  Furthermore, according to the present invention, since the adhesive layer is formed on the surface of the third support sheet and dried, the adhesive layer can be transferred to the surfaces of the electrode layer and the spacer layer. In addition, it is possible to reliably prevent penetration into the spacer layer, and to manufacture a laminate unit including the ceramic green sheet, the electrode layer, and the spacer layer.

  Further, according to the present invention, the adhesive layer is formed on the surface of the third support sheet, dried, then transferred to the surfaces of the electrode layer and the spacer layer, and the electrode layer and the spacer layer are interposed via the adhesive layer. Since the ceramic green sheet can be bonded to the ceramic green sheet, it is possible to reliably prevent the adhesive solution from penetrating into the ceramic green sheet, and to produce a multilayer unit including the ceramic green sheet, the electrode layer, and the spacer layer. Is possible.

  Furthermore, when a large number of laminate units having electrode layers formed in a predetermined pattern are laminated on the ceramic green sheet, the surface of the electrode layer and the surface of the ceramic green sheet on which no electrode layer is formed Since a step is formed between the layers, a laminate in which a large number of laminate units are laminated may be deformed or delamination may occur. Since the spacer layer is formed in a pattern complementary to the electrode layer, a large number of laminate units obtained in this way are laminated to effectively prevent deformation of the produced laminate. Can be effectively prevented, and the occurrence of delamination can be effectively prevented.

  In addition, according to the present invention, after the adhesive layer is transferred to the surfaces of the electrode layer and the spacer layer, the intermediate sheet on which at least one surface has irregularities with a height of 1 μm to 10 μm is formed with a height of 1 μm to 10 μm. Since the surface on which the unevenness is formed is made to adhere to the surface of the adhesive layer so as to be in contact with the adhesive layer, the release layer, the electrode layer, the spacer layer, and the adhesive layer are formed on the surface of the second support sheet And even if the laminated body in which the intermediate sheet is laminated is wound up, the adhesive layer does not adhere to the surface of the second support sheet, and therefore, the laminated body is fed out from the laminated body roll and fed out from the laminated body roll. The intermediate sheet is peeled from the adhesive layer of the laminated body, the surface of the ceramic green sheet formed on the surface of the first support sheet is brought into close contact with the surface of the adhesive layer of the laminated body, and the pressure is applied. The equipment for producing a laminate unit in which the ceramic green sheet, the electrode layer and the spacer layer are laminated is attached to the surface of the electrode layer and the spacer layer formed on the surface of the second support sheet. Since it can arrange | position in parallel with the installation for transferring an adhesive layer, it becomes possible to prevent that a manufacturing line becomes long.

  Furthermore, according to the present invention, the surface of the intermediate sheet adhering to the adhesive layer has irregularities with a height of 1 μm to 10 μm, so that air is discharged from the space between the adhesive layer and the intermediate sheet, Is not held between the adhesive layer and the intermediate sheet, and thus wrinkles occur in the intermediate sheet attached to the adhesive layer, or the release layer, the electrode layer, When winding the laminated body in which the spacer layer, the adhesive layer, and the intermediate sheet are laminated, the laminated body can be effectively prevented from meandering.

  Further, according to the present invention, the surface of the adhesive layer formed on the third support sheet and the surfaces of the electrode layer and the spacer layer are brought into close contact with each other and pressed to form the adhesive layer, the electrode layer and the spacer layer. Transfer to the surface of the substrate, peel off the third support sheet from the adhesive layer, attach the intermediate sheet to the surface of the adhesive layer, and attach the release layer, electrode layer, spacer layer, adhesive to the surface of the second support sheet. After winding the laminated body in which the layer and the intermediate sheet are laminated to form a laminated body roll, the laminated body is fed out from the laminated body roll, and the intermediate sheet is taken out from the adhesive layer of the laminated body fed out from the laminated body roll. The surface of the ceramic green sheet formed on the surface of the first support sheet is peeled off, and the surface of the adhesive layer of the laminate is brought into close contact with the pressure and bonded to the first support from the ceramic green sheet. Peel off the sheet Since it is configured to produce a laminate unit in which a ceramic green sheet, an electrode layer, and a spacer layer are laminated, the surface of the adhesive layer formed on the third support sheet, the electrode layer, and the spacer layer Using the manufacturing equipment for carrying out the process of transferring the adhesive layer to the surface of the electrode layer and the spacer layer, and peeling the third support sheet from the adhesive layer The laminate is fed from the laminate roll, the intermediate sheet is peeled from the adhesive layer of the laminate fed from the laminate roll, and the surface of the ceramic green sheet formed on the surface of the first support sheet is laminated. A process for producing a laminate unit in which a ceramic green sheet, an electrode layer, and a spacer layer are laminated is brought into close contact with the surface of the adhesive layer of the body, pressed and adhered. The can be performed, the space of the manufacturing equipment it becomes possible to prevent from becoming excessive effectively.

  Furthermore, according to the present invention, an intermediate sheet having unevenness with a height of 1 μm to 10 μm formed on at least one surface is bonded so that the surface with unevenness with a height of 1 μm to 10 μm is in contact with the adhesive layer. Since it is adhered to the surface of the layer, the intermediate sheet can be peeled off from the adhesive layer as desired in a later step.

  The object of the present invention is also the step of forming a ceramic green sheet on the surface of the first support sheet, the step of forming a release layer on the surface of the second support sheet, and the surface of the release layer. Forming an electrode layer in a predetermined pattern, forming a spacer layer in a pattern complementary to the electrode layer, forming an adhesive layer on the surface of the third support sheet, and the third The surface of the adhesive layer formed on the support sheet and the surface of the ceramic green sheet formed on the surface of the first support sheet are brought into close contact with each other and pressed to form the adhesive layer on the ceramic green sheet. A step of transferring to the surface of the substrate, a step of peeling the third support sheet from the adhesive layer, and an intermediate sheet having irregularities with a height of 1 μm to 10 μm formed on at least one surface. The ceramic green sheet, the adhesive layer and the intermediate sheet are laminated on the surface of the first support sheet, and the step of adhering to the surface of the adhesive layer so that at least one surface is in contact with the adhesive layer The intermediate sheet from the step of winding the laminated body and forming the laminated body roll, the step of feeding out the laminated body from the laminated body roll, and the adhesive layer of the laminated body fed out from the laminated body roll And the step of bringing the electrode layer and the spacer layer formed on the surface of the second support sheet into close contact with the surface of the adhesive layer of the laminate, pressurizing, and bonding Then, the second support sheet is peeled from the release layer to produce a laminate unit in which the ceramic green sheet, the electrode layer, and the spacer layer are laminated. It is achieved by the method for manufacturing a multilayer unit for multilayer ceramic electronic part which comprises the that step.

  According to the present invention, the electrode layer and the spacer layer are configured to be transferred to the surface of the electrode layer and the spacer layer via the adhesive layer bonded to the surface of the ceramic green sheet. The electrode unit and the spacer layer can be transferred to the surface of the ceramic green sheet, and thus the ceramic green sheet is reliably prevented from being deformed and broken, and the laminate unit including the ceramic green sheet, the electrode layer and the spacer layer Can be manufactured.

  Further, according to the present invention, the electrode layer and the spacer layer can be formed on the surface of the second support sheet, dried, and then transferred to the ceramic green sheet via the adhesive layer. The solvent in the ceramic green sheet can be surely prevented from dissolving or swelling the binder component of the ceramic green sheet, and at the same time, the ceramic green sheet can be reliably prevented from penetrating the electrode paste, It becomes possible to manufacture a laminate unit including an electrode layer and a spacer layer.

  Furthermore, according to the present invention, since the adhesive layer can be formed on the surface of the third support sheet, dried, and then transferred to the surface of the ceramic green sheet, the adhesive solution is applied to the ceramic green sheet. It is possible to reliably prevent penetration and to manufacture a multilayer unit including a ceramic green sheet, an electrode layer, and a spacer layer.

  Further, according to the present invention, the adhesive layer is formed on the surface of the third support sheet, dried, then transferred to the surface of the ceramic green sheet, and the electrode layer and the spacer layer via the adhesive layer, Since the ceramic green sheet can be bonded, it is possible to reliably prevent the adhesive solution from permeating into the electrode layer and the spacer layer, and to produce a laminate unit including the ceramic green sheet, the electrode layer and the spacer layer. Is possible.

  Furthermore, when a large number of laminate units having electrode layers formed in a predetermined pattern are laminated on the ceramic green sheet, the surface of the electrode layer and the surface of the ceramic green sheet on which no electrode layer is formed Since a step is formed between the layers, a laminate in which a large number of laminate units are laminated may be deformed or delamination may occur. Since the spacer layer is formed in a pattern complementary to the electrode layer, a large number of laminate units obtained in this way are laminated to effectively prevent deformation of the produced laminate. Can be effectively prevented, and the occurrence of delamination can be effectively prevented.

  In addition, according to the present invention, after the adhesive layer is transferred to the surface of the ceramic green sheet, the intermediate sheet on which at least one surface has unevenness of 1 μm to 10 μm is formed into the unevenness of 1 μm to 10 μm high. Since the surface on which the layer is formed is attached to the surface of the adhesive layer so as to be in contact with the adhesive layer, the ceramic green sheet, the adhesive layer and the intermediate sheet are laminated on the surface of the first support sheet. Even if the laminate is wound up, the adhesive layer does not adhere to the surface of the first support sheet. Therefore, the laminate is fed out from the laminate roll, and the adhesive layer of the laminate fed out from the laminate roll Then, the intermediate sheet is peeled off, the surfaces of the electrode layer and the spacer layer, and the surface of the adhesive layer of the laminate are brought into close contact with each other, pressed and adhered, and the second support sheet is removed from the peeling layer. The equipment for producing the laminate unit in which the ceramic green sheet, the electrode layer, and the spacer layer are laminated on the surface of the ceramic green sheet formed on the surface of the first support sheet, Since it can arrange | position in parallel with the installation for transferring an adhesive layer, it becomes possible to prevent that a manufacturing line becomes long.

  Furthermore, according to the present invention, the surface of the intermediate sheet adhering to the adhesive layer has irregularities with a height of 1 μm to 10 μm, so that air is discharged from the space between the adhesive layer and the intermediate sheet, Is not held between the adhesive layer and the intermediate sheet. Therefore, the intermediate sheet attached to the adhesive layer is wrinkled, or the surface of the long first support sheet has ceramic green sheets and adhesive layers. And when winding the laminated body on which the intermediate sheet is laminated, it is possible to effectively prevent the laminated body from meandering.

  Further, according to the present invention, the surface of the adhesive layer formed on the third support sheet and the surface of the ceramic green sheet formed on the surface of the first support sheet are brought into close contact with each other, and are pressed and bonded. The layer is transferred to the surface of the ceramic green sheet, the third support sheet is peeled off from the adhesive layer, the intermediate sheet is attached to the surface of the adhesive layer, the ceramic green sheet on the surface of the first support sheet, After winding the laminated body in which the adhesive layer and the intermediate sheet are laminated to form the laminated body roll, the laminated body is fed out from the laminated body roll, and the intermediate sheet is taken out from the adhesive layer of the laminated body fed out from the laminated body roll. The surface of the electrode layer and spacer layer formed on the surface of the second support sheet and the surface of the adhesive layer of the laminate are adhered, pressed and adhered, Supporting sea Is formed to produce a laminate unit in which the ceramic green sheet, the electrode layer and the spacer layer are laminated, and the surface of the adhesive layer formed on the third support sheet; The surface of the ceramic green sheet formed on the surface of the first support sheet is brought into intimate contact with pressure, the adhesive layer is transferred to the surface of the ceramic green sheet, and the third support sheet is peeled off from the adhesive layer. Using the manufacturing equipment for executing the process, the laminate is fed out from the laminate roll, the intermediate sheet is peeled off from the adhesive layer of the laminate fed out from the laminate roll, and the surface of the second support sheet is peeled off. The surface of the formed electrode layer and spacer layer and the surface of the adhesive layer of the laminate are brought into close contact with each other, pressed and bonded, the second support sheet is peeled off from the release layer, and the ceramic And Nshito can and the electrode layer and the spacer layer to perform a process of making a laminate units laminated, the space of the manufacturing equipment it is possible to effectively prevent from becoming excessive.

  Furthermore, according to the present invention, an intermediate sheet having unevenness with a height of 1 μm to 10 μm formed on at least one surface is bonded so that the surface with unevenness with a height of 1 μm to 10 μm is in contact with the adhesive layer. Since it is adhered to the layer, the intermediate sheet can be peeled off from the adhesive layer as desired in a later step.

  According to another aspect of the present invention, a release layer, an electrode layer, a spacer layer having a pattern complementary to the electrode layer, an adhesive layer, and a ceramic green sheet are laminated on the surface of the first support sheet. , A step of forming a laminate unit including the electrode layer, the spacer layer, the adhesive layer and the ceramic green sheet, a step of forming an adhesive layer on the surface of the second support sheet, and the second support A step of bringing the surface of the adhesive layer formed on the sheet into close contact with the surface of the ceramic green sheet of the laminate unit, pressurizing, and transferring the adhesive layer to the surface of the ceramic green sheet; A step of peeling the second support sheet from the adhesive layer, and an intermediate sheet having unevenness of 1 μm to 10 μm in height formed on at least one surface; The step of adhering to the surface of the adhesive layer so that at least one surface is in contact with the adhesive layer, and the laminate unit in which the adhesive layer and the intermediate sheet are laminated on the surface of the green sheet It is achieved by a method for producing a multilayer unit set for a multilayer ceramic electronic component including at least one multilayer unit, comprising the step of forming a multilayer unit roll.

  According to the present invention, after the adhesive layer is transferred to the surface of the ceramic green sheet of the laminate unit, the intermediate sheet having unevenness of 1 μm to 10 μm height formed on at least one surface is 1 μm to 10 μm high. It is configured to adhere to the surface of the adhesive layer so that the surface on which the unevenness is formed is in contact with the adhesive layer, so that the laminate unit with the adhesive layer transferred is wound around the surface of the ceramic green sheet. Also, the adhesive layer does not adhere to the surface of the first support sheet, and therefore, from the laminate unit roll, the laminate unit is fed out, and from the laminate unit adhesive layer fed out from the laminate unit roll, The cutting device that peels the intermediate sheet and cuts the laminated unit into a predetermined size is attached to the surface of the ceramic green sheet of the laminated unit. Since it is possible to parallel arranged and facilities for transferring the adhesive layer, it is possible to manufacture line can be prevented from unnecessarily longer.

  The object of the present invention is also to laminate a ceramic green sheet, an adhesive layer, an electrode layer, a spacer layer having a pattern complementary to the electrode layer, and a release layer on the surface of the first support sheet, A step of forming a laminate unit including the sheet, the adhesive layer, the electrode layer, the spacer layer, and the release layer, a step of forming an adhesive layer on the surface of the second support sheet, and the second support. A step of bringing the surface of the adhesive layer formed on the sheet into close contact with the surface of the release layer of the laminate unit, pressurizing, and transferring the adhesive layer to the surface of the release layer; A step of peeling the second support sheet from the layer, an intermediate sheet having irregularities with a height of 1 μm to 10 μm formed on at least one surface, and the at least one surface serving as the adhesive layer A step of adhering to the surface of the adhesive layer so as to contact, and a step of winding up the laminate unit in which the adhesive layer and the intermediate sheet are laminated on the surface of the release layer to form a laminate unit roll. This is achieved by a method of manufacturing a multilayer unit set for a multilayer ceramic electronic component including at least one multilayer unit.

  According to the present invention, after the adhesive layer is transferred to the surface of the release layer of the laminate unit, the intermediate sheet on which at least one surface has irregularities with a height of 1 μm to 10 μm is formed with a height of 1 μm to 10 μm. Since it is configured to adhere to the surface of the adhesive layer so that the surface with the unevenness is in contact with the adhesive layer, even if the laminate unit with the adhesive layer transferred to the surface of the release layer is wound, The adhesive layer does not adhere to the surface of the first support sheet, and therefore, the laminate unit is fed out from the laminate unit roll, and the intermediate sheet from the adhesive layer of the laminate unit fed out from the laminate unit roll A cutting device for peeling the laminate unit into a predetermined size may be arranged in parallel with the equipment for transferring the adhesive layer on the surface of the release layer of the laminate unit. Since wear, it is possible to prevent the production line becomes unnecessarily long.

  The object of the present invention is also the step of forming an adhesive layer on the surface of the first support sheet, a release layer, an electrode layer, a spacer layer having a pattern complementary to the electrode layer, an adhesive layer, and a ceramic green sheet. Are formed on the surface of the ceramic green sheet positioned on the surface of the laminate unit set including the at least one laminate unit formed on the second support sheet and the surface of the first support sheet. At least one of a step of bringing the applied adhesive layer into close contact, pressurizing, and transferring the adhesive layer to the surface of the ceramic green sheet; and a step of peeling the first support sheet from the adhesive layer An intermediate sheet on which irregularities having a height of 1 μm to 10 μm are formed on the surface of the adhesive layer so that the at least one surface is in contact with the adhesive layer. From the step of attaching, the step of winding up the laminate unit set in which the adhesive layer and the intermediate sheet are laminated on the surface of the green sheet, forming a laminate unit set roll, and the laminate unit set roll A step of unwinding the laminate unit set, a step of peeling the intermediate sheet from the adhesive layer of the laminate unit set unrolled from the laminate unit set roll, and a surface of the third support sheet. A green sheet sheet, an adhesive layer, an electrode layer, a spacer layer having a pattern complementary to the electrode layer, and a release layer are laminated in this order on the surface of the release layer, and the laminate unit set Adhering to the adhesive layer and applying pressure, the adhesive layer is adhered to the surface of the release layer of the laminate unit. A step of peeling off the third support sheet from the green sheet of the laminate unit to produce a laminate unit set including at least two laminate units on the second support sheet; This is achieved by a method of manufacturing a multilayer unit set for a multilayer ceramic electronic component including at least two multilayer units, which includes a step of winding the multilayer unit set thus produced.

  According to the present invention, the release layer, the electrode layer, the spacer layer having a pattern complementary to the electrode layer, the adhesive layer, and the ceramic green sheet are laminated, and the formed at least one laminate unit is used as the second support sheet. An intermediate sheet having a height of 1 μm to 10 μm formed on at least one surface is transferred to the surface of the ceramic green sheet located on the surface of the laminate unit set provided above, and the height is 1 μm. Or after adhering to the surface of the adhesive layer so that the surface on which the irregularities of 10 μm are formed contacts the adhesive layer, the laminate unit set in which the adhesive layer and the intermediate sheet are laminated on the surface of the green sheet is wound up Then, a laminate unit set roll is formed, and the laminate unit set roll is further fed out from the laminate unit set roll. A spacer layer having a pattern complementary to the green sheet sheet, the adhesive layer, the electrode layer, and the electrode layer on the surface of the third support sheet by peeling the intermediate sheet from the adhesive layer of the laminate unit set fed from the set roll. And the release layer of the laminate unit laminated in this order and the adhesive layer of the laminate unit set are in close contact with each other and pressed to adhere the adhesive layer to the surface of the release unit of the laminate unit. And peeling the third support sheet from the green sheet of the laminate unit to produce a laminate unit set including at least two laminate units on the second support sheet, and the laminate thus produced Since the unit set is wound up, the release layer, the electrode layer, the spacer layer having a pattern complementary to the electrode layer, the adhesive layer, and the ceramic are set. The green sheet is laminated, and the adhesive layer is transferred and bonded to the surface of the ceramic green sheet located on the surface of the laminate unit set including at least one laminate unit formed on the second support sheet. An apparatus for forming a laminate unit set roll by winding up a laminate unit set in which an adhesive layer and an intermediate sheet are laminated on the surface of a green sheet after attaching the intermediate sheet to the surface of the layer, and laminate The laminate unit set is fed out from the unit set roll, the intermediate sheet is peeled off from the adhesive layer of the laminate unit set fed out from the laminate unit set roll, and the green sheet sheet is bonded to the surface of the third support sheet. Layer, electrode layer, spacer layer having a pattern complementary to the electrode layer, and release layer are laminated in this order. The surface of the release layer of the body unit and the adhesive layer of the laminate unit set are brought into close contact with each other and pressed to adhere the adhesive layer to the surface of the release layer of the laminate unit. Simply peel off the three support sheets, create a laminate unit set including at least two laminate units on the second support sheet, and provide an apparatus for winding up the laminate unit set thus produced. A laminate unit set in which a desired number of laminate units are laminated can be produced, and the manufacturing space can be greatly reduced.

  The object of the present invention is also the step of forming an adhesive layer on the surface of the first support sheet, a ceramic green sheet, an adhesive layer, an electrode layer, a spacer layer having a pattern complementary to the electrode layer, and a release layer. Are formed on the surface of the release layer located on the surface of the laminate unit set including at least one laminate unit formed on the second support sheet, and on the surface of the first support sheet. At least one surface of the step of bringing the adhesive layer into close contact, pressurizing, transferring the adhesive layer to the surface of the release layer, releasing the first support sheet from the adhesive layer In addition, a step of attaching an intermediate sheet having unevenness of 1 μm to 10 μm in height to the surface of the adhesive layer so that the at least one surface is in contact with the adhesive layer; Winding the laminate unit set on which the adhesive layer and the intermediate sheet are laminated to form a laminate unit set roll; and feeding the laminate unit set from the laminate unit set roll; The step of peeling the intermediate sheet from the adhesive layer of the laminate unit set fed from the laminate unit set roll, and the surface of the third support sheet are complementary to the release layer, the electrode layer, and the electrode layer A spacer layer having a typical pattern, an adhesive layer, and a green sheet sheet are pressed in close contact with the surface of the ceramic green sheet of the laminate unit in which the laminate unit is laminated in this order and the adhesive layer of the laminate unit set. Bonding the adhesive layer to the surface of the ceramic green sheet of the laminate unit; The step of peeling off the third support sheet from the release layer of the laminate unit to produce a laminate unit set including at least two laminate units on the second support sheet, and thus producing It is achieved by a method of manufacturing a multilayer unit set for a multilayer ceramic electronic component including at least two multilayer units, the method including a step of winding the multilayer unit set.

  According to the present invention, at least one laminate unit formed by laminating a ceramic green sheet, an adhesive layer, an electrode layer, a spacer layer having a pattern complementary to the electrode layer, and a release layer is used as the second support sheet. An adhesive sheet is transferred to the surface of the release layer located on the surface of the laminate unit set provided above, and an intermediate sheet having unevenness with a height of 1 μm to 10 μm formed on at least one surface has a height of 1 μm to After adhering to the surface of the adhesive layer so that the surface on which the irregularities of 10 μm are formed contacts the adhesive layer, the laminate unit set in which the adhesive layer and the intermediate sheet are laminated on the surface of the release layer is wound up, A laminate unit set roll is formed, and the laminate unit set roll is further fed out from the laminate unit set roll and fed out from the laminate unit set roll. The intermediate sheet is peeled from the adhesive layer of the laminated unit set thus formed, and on the surface of the third support sheet, the peeling layer, the electrode layer, the spacer layer having a pattern complementary to the electrode layer, the adhesive layer, and the green sheet The surface of the ceramic green sheet of the multilayer unit in which the sheets are laminated in this order and the adhesive layer of the multilayer unit set are brought into close contact with each other and pressed to adhere the adhesive layer to the surface of the ceramic green sheet of the multilayer unit And the third support sheet is peeled from the release layer of the laminate unit to produce a laminate unit set including at least two laminate units on the second support sheet, and the laminate thus produced Since it is configured to wind up the unit set, it has a pattern complementary to the ceramic green sheet, adhesive layer, electrode layer, electrode layer The spacer layer and the release layer are laminated, and the adhesive layer is transferred to the surface of the release layer located on the surface of the laminate unit set including the formed at least one laminate unit on the second support sheet, An apparatus for forming a laminate unit set roll by winding a laminate unit set in which the adhesive layer and the intermediate sheet are laminated on the surface of the release layer after attaching the intermediate sheet to the surface of the adhesive layer, and laminating The laminate unit set is fed out from the body unit set roll, the intermediate sheet is peeled off from the adhesive layer of the laminate unit set fed out from the laminate unit set roll, and the release layer and the electrode are formed on the surface of the third support sheet. Layer unit, a spacer layer having a pattern complementary to the electrode layer, an adhesive layer, and a green sheet sheet are laminated in this order. The surface of the Mick green sheet and the adhesive layer of the laminate unit set are brought into close contact with each other and pressed, and the adhesive layer is adhered to the surface of the ceramic green sheet of the laminate unit. Simply peeling off the support sheet, producing a laminate unit set including at least two laminate units on the second support sheet, and providing a device for winding the laminate unit set thus produced, A laminate unit set in which a desired number of laminate units are laminated can be manufactured, and the manufacturing space can be greatly reduced.

  In the present invention, the dielectric paste used for forming the ceramic green sheet is usually prepared by kneading a dielectric material and an organic vehicle in which a binder is dissolved in an organic solvent.

  The dielectric material is appropriately selected from various compounds that become composite oxides and oxides, such as carbonates, nitrates, hydroxides, organometallic compounds, and the like, and can be used by mixing them. The dielectric material is usually used as a powder having an average particle size of about 0.1 μm to about 3.0 μm. The particle size of the dielectric material is preferably smaller than the thickness of the ceramic green sheet.

  The binder used in the organic vehicle is not particularly limited, and various ordinary binders such as ethyl cellulose, polyvinyl butyral, and acrylic resin can be used. Butyral resins such as are preferably used.

  The organic solvent used in the organic vehicle is not particularly limited, and organic solvents such as terpineol, butyl carbitol, acetone, and toluene are used.

  In the present invention, the dielectric paste can also be produced by kneading a dielectric material and a vehicle in which a water-soluble binder is dissolved in water.

  The water-soluble binder is not particularly limited, and polyvinyl alcohol, methyl cellulose, hydroxyethyl cellulose, water-soluble acrylic resin, emulsion and the like are used.

  The content of each component in the dielectric paste is not particularly limited, and includes, for example, about 1 wt% to about 5 wt% binder and about 10 wt% to about 50 wt% solvent. A dielectric paste can be prepared.

  The dielectric paste may contain additives selected from various dispersants, plasticizers, dielectrics, subcomponent compounds, glass frit, insulators, and the like, if necessary. When these additives are added to the dielectric paste, the total content is desirably about 10% by weight or less. When a butyral resin is used as the binder resin, the plasticizer content is preferably about 25 parts by weight to about 100 parts by weight with respect to 100 parts by weight of the binder resin. If the amount of the plasticizer is too small, the produced ceramic green sheet tends to become brittle. If the amount is too large, the plasticizer oozes out, making handling difficult, which is not preferable.

  In the present invention, the ceramic green sheet is produced by applying a dielectric paste on the first support sheet and drying it.

  The dielectric paste is applied onto the first support sheet using an extrusion coater, a wire bar coater, or the like to form a coating film.

  As the first support sheet, for example, a polyethylene terephthalate film or the like is used, and a silicon resin, an alkyd resin, or the like is coated on the surface in order to improve the peelability. The thickness of the first support sheet is not particularly limited, but is preferably about 5 μm to about 100 μm.

  The coating film thus formed is dried, for example, at a temperature of about 50 ° C. to about 100 ° C. for about 1 minute to about 20 minutes, and a ceramic green sheet is formed on the support sheet.

  In the present invention, the thickness of the ceramic green sheet after drying is preferably 3 μm or less, and more preferably 1.5 μm or less.

  In the present invention, the electrode layer and the spacer layer are printed on the second support sheet using a printing machine such as a screen printing machine or a gravure printing machine.

  As the second support sheet, for example, a polyethylene terephthalate film or the like is used, and a silicon resin, an alkyd resin, or the like is coated on the surface in order to improve the peelability. The thickness of the second support sheet is not particularly limited, and may be the same as or different from the thickness of the support sheet on which the ceramic green sheet is formed. 100 μm.

  In the present invention, prior to forming the electrode layer and the spacer layer on the second support sheet, first, a dielectric paste is prepared, applied on the second support sheet, and a release layer is formed on the second support sheet. Formed on the second support sheet.

  The dielectric paste for forming the release layer preferably contains dielectric particles having the same composition as the dielectric contained in the ceramic green sheet.

  The dielectric paste for forming the release layer contains a binder and, as optional components, a plasticizer and a release agent in addition to the dielectric particles. The particle size of the dielectric particles may be the same as the particle size of the dielectric particles contained in the ceramic green sheet, but is preferably smaller.

  As the binder, for example, an acrylic resin, polyvinyl butyral, polyvinyl acetal, polyvinyl alcohol, polyolefin, polyurethane, polystyrene, a copolymer thereof, or an emulsion thereof can be used.

  The binder contained in the dielectric paste for forming the release layer may or may not be the same as the binder contained in the ceramic green sheet, but is preferably a similar binder. .

  The dielectric paste for forming the release layer is preferably about 2.5 parts by weight to about 200 parts by weight, more preferably about 5 parts by weight to about 30 parts by weight with respect to 100 parts by weight of the dielectric particles. Particularly preferably, it contains about 8 to about 30 parts by weight of binder.

  The plasticizer is not particularly limited, and examples thereof include phthalic acid ester, adipic acid, phosphoric acid ester, and glycols. The plasticizer contained in the dielectric paste for forming the release layer may or may not be the same as the plasticizer contained in the ceramic green sheet.

  The dielectric paste for forming the release layer is about 0 to about 200 parts by weight, preferably about 20 to about 200 parts by weight, and more preferably about 50 parts by weight with respect to 100 parts by weight of the binder. Part to about 100 parts by weight of plasticizer.

  The release agent contained in the dielectric paste for forming the release layer is not particularly limited, and examples thereof include paraffin, wax, and silicone oil.

  The dielectric paste for forming the release layer is about 0 to about 100 parts by weight, preferably about 2 to about 50 parts by weight, and more preferably about 5 parts by weight with respect to 100 parts by weight of the binder. Part to about 20 parts by weight of a release agent.

  In this invention, it is preferable that the content rate of the binder with respect to the dielectric material contained in a peeling layer is equivalent to or lower than the content rate of the binder with respect to the dielectric material contained in a ceramic green sheet. Moreover, it is preferable that the content ratio of the plasticizer with respect to the dielectric contained in the release layer is equal to or higher than the content ratio of the plasticizer with respect to the dielectric contained in the ceramic green sheet. Furthermore, it is preferable that the content ratio of the release agent with respect to the dielectric contained in the release layer is higher than the content ratio of the release agent with respect to the dielectric contained in the ceramic green sheet.

  By forming a release layer having such a composition, the strength of the release layer can be made lower than the breaking strength of the green sheet even when the ceramic green sheet is extremely thinned, and the second support sheet is It is possible to reliably prevent the ceramic green sheet from being destroyed when peeling.

  The release layer is formed by applying a dielectric paste on the second support sheet using a wire bar coater or the like.

  The thickness of the release layer is preferably not more than the thickness of the electrode layer formed thereon, preferably not more than about 60% of the thickness of the electrode layer, more preferably about the thickness of the electrode layer. 30% or less.

  After formation of the release layer, the release layer is dried, for example, at about 50 ° C. to about 100 ° C. for about 1 minute to about 10 minutes.

  After the release layer is dried, an electrode layer constituting the internal electrode layer is formed in a predetermined pattern on the surface of the release layer after firing.

  In the present invention, the electrode paste used to form the electrode layer includes a conductive material made of various conductive metals and alloys, and various oxides and organics that become conductive materials made of various conductive metals and alloys after firing. It is prepared by kneading a metal compound or resinate with an organic vehicle in which a binder is dissolved in an organic solvent.

  As a conductor material used when manufacturing the electrode paste, Ni, Ni alloy, or a mixture thereof is preferably used. The shape of the conductor material is not particularly limited, and may be spherical, scaly, or a mixture of these shapes. The average particle diameter of the conductor material is not particularly limited, but a conductive material of about 0.1 μm to about 2 μm, preferably about 0.2 μm to about 1 μm is usually used.

  The binder used in the organic vehicle is not particularly limited, and ethyl cellulose, acrylic resin, polyvinyl butyral, polyvinyl acetal, polyvinyl alcohol, polyolefin, polyurethane, polystyrene, or a copolymer thereof can be used. However, a butyral binder such as polyvinyl butyral is particularly preferably used.

  The electrode paste preferably contains about 2.5 parts by weight to about 20 parts by weight of binder with respect to 100 parts by weight of the conductive material.

  As the solvent, for example, known solvents such as terpineol, butyl carbitol, and kerosene can be used. The content of the solvent is preferably about 20% by weight to about 55% by weight with respect to the entire electrode paste.

  In order to improve adhesiveness, the electrode paste preferably contains a plasticizer.

  The plasticizer contained in the electrode paste is not particularly limited, and examples thereof include phthalic acid esters such as benzylbutyl phthalate (BBP), adipic acid, phosphoric acid ester, and glycols. The electrode paste preferably contains about 10 parts by weight to about 300 parts by weight, more preferably about 10 parts by weight to about 200 parts by weight, based on 100 parts by weight of the binder.

  When the amount of the plasticizer added is too large, the strength of the electrode layer tends to be remarkably lowered, which is not preferable.

  The electrode layer is formed by printing an electrode paste on the surface of the release layer formed on the second support sheet using a printing machine such as a screen printing machine or a gravure printing machine.

  The thickness of the electrode layer is preferably about 0.1 μm to about 5 μm, and more preferably about 0.1 μm to about 1.5 μm.

  In the part where the electrode layer on the surface of the release layer formed on the second support sheet is not formed, a pattern complementary to the electrode layer is further obtained using a printing machine such as a screen printing machine or a gravure printing machine. The dielectric paste is printed to form the spacer layer.

  Prior to the formation of the electrode layer, a spacer layer can be formed on the surface of the release layer formed on the second support sheet in a pattern complementary to the electrode layer.

  In the present invention, the dielectric paste used for forming the spacer layer is prepared in the same manner as the dielectric paste for forming the ceramic green sheet.

  The dielectric paste for forming the spacer layer preferably contains dielectric particles having the same composition as the dielectric contained in the ceramic green sheet.

  The dielectric paste for forming the spacer layer contains, in addition to the dielectric particles, a binder and, as optional components, a plasticizer and a release agent. The particle size of the dielectric particles may be the same as the particle size of the dielectric particles contained in the ceramic green sheet, but is preferably smaller.

  As the binder, for example, an acrylic resin, polyvinyl butyral, polyvinyl acetal, polyvinyl alcohol, polyolefin, polyurethane, polystyrene, a copolymer thereof, or an emulsion thereof can be used.

  The binder contained in the dielectric paste for forming the spacer layer may or may not be the same as the binder contained in the ceramic green sheet, but is preferably the same.

  The dielectric paste for forming the spacer layer is preferably about 2.5 parts by weight to about 200 parts by weight, more preferably about 4 parts by weight to about 15 parts by weight with respect to 100 parts by weight of the dielectric particles. Particularly preferably, it contains about 6 to about 10 parts by weight of binder.

  The plasticizer contained in the dielectric paste for forming the spacer layer is not particularly limited, and examples thereof include phthalic acid ester, adipic acid, phosphoric acid ester, and glycols. The plasticizer contained in the dielectric paste for forming the spacer layer may or may not be the same as the plasticizer contained in the ceramic green sheet.

  The dielectric paste for forming the spacer layer is about 0 to about 200 parts by weight, preferably about 20 to about 200 parts by weight, and more preferably about 50 parts by weight with respect to 100 parts by weight of the binder. Part to about 100 parts by weight of plasticizer.

  The release agent contained in the dielectric paste for forming the spacer layer is not particularly limited, and examples thereof include paraffin, wax, and silicone oil.

  The dielectric paste for forming the spacer layer is about 0 to about 100 parts by weight, preferably about 2 to about 50 parts by weight, and more preferably about 5 parts by weight with respect to 100 parts by weight of the binder. Part to about 20 parts by weight of a release agent.

  In the present invention, the electrode layer and the spacer layer satisfy 0.7 ≦ ts / te ≦ 1.3 (ts is the thickness of the spacer layer, and te is the thickness of the electrode layer). It is preferably formed, more preferably 0.8 ≦ ts / te ≦ 1.2, and still more preferably 0.9 ≦ ts / te ≦ 1.2.

  The electrode layer and spacer layer are dried, for example, at a temperature of about 70 ° C. to 120 ° C. for about 5 minutes to about 15 minutes. The drying conditions for the electrode layer and the spacer layer are not particularly limited.

  The ceramic green sheet is bonded to the electrode layer and the spacer layer via the adhesive layer, and a third support sheet is prepared to form the adhesive layer.

  As the third support sheet, for example, a polyethylene terephthalate film or the like is used, and a silicon resin, an alkyd resin, or the like is coated on the surface in order to improve the peelability. The thickness of the third support sheet is not particularly limited, but is preferably about 5 μm to about 100 μm.

  The adhesive layer is formed by applying an adhesive solution on the third support sheet.

  In the present invention, the adhesive solution contains a binder and, as optional components, an antistatic agent, a plasticizer, and a release agent.

  The adhesive solution may contain dielectric particles having the same composition as the dielectric particles contained in the ceramic green sheet. When the adhesive solution contains dielectric particles, the ratio of the dielectric particles to the binder weight is preferably smaller than the ratio of the dielectric particles contained in the ceramic green sheet to the binder weight.

  The binder contained in the adhesive solution is preferably the same type as the binder contained in the dielectric paste for forming the ceramic green sheet, but the same type as the binder contained in the dielectric paste for forming the ceramic green sheet. Not necessarily.

  The plasticizer contained in the adhesive solution is preferably the same as the plasticizer contained in the dielectric paste for forming the ceramic green sheet, but the plasticizer contained in the dielectric paste for forming the ceramic green sheet. It does not have to be the same as the agent.

  The content of the plasticizer is about 0 to about 200 parts by weight, preferably about 20 to about 200 parts by weight, and more preferably about 50 to about 100 parts by weight with respect to 100 parts by weight of the binder. Part.

  In the present invention, preferably, the adhesive solution contains 0.01% to 15% by weight of the binder and more preferably 0.01% to 10% by weight of the antistatic agent. Contains.

  In the present invention, the antistatic agent contained in the adhesive solution may be an organic solvent having hygroscopicity, for example, ethylene glycol; polyethylene glycol; 2-3 butanediol; glycerin; imidazoline surfactant, polyalkylene. Amphoteric surfactants such as glycol derivative surfactants and carboxylic acid amidine salt surfactants can be used as antistatic agents contained in the adhesive solution.

  Among these antistatic agents, it is possible to prevent static electricity with a small amount and to peel the third support sheet from the adhesive layer with a small peeling force. Amphoteric surfactants such as surfactants, surfactants based on polyalkylene glycol derivatives, and surfactants based on carboxylic acid amidine salts are preferred. Since a sheet | seat can be peeled, it is especially preferable.

  The adhesive solution is applied onto the third support sheet by, for example, a bar coater, an extrusion coater, a reverse coater, a dip coater, a kiss coater, etc., preferably about 0.02 μm to about 0.3 μm, more preferably An adhesive layer having a thickness of about 0.02 μm to about 0.1 μm is formed. When the thickness of the adhesive layer is less than about 0.02 μm, the adhesive strength is reduced. On the other hand, when the thickness of the adhesive layer exceeds about 0.3 μm, it may cause defects (gap). Absent.

  The adhesive layer is dried, for example, at a temperature from room temperature (25 ° C.) to about 80 ° C. for about 1 minute to about 5 minutes. The drying conditions for the adhesive layer are not particularly limited.

  The adhesive layer formed on the third support sheet is transferred to the surface of the electrode layer and spacer layer formed on the second support sheet or the surface of the ceramic green sheet formed on the first support sheet. The

  When transferring the adhesive layer to the surface of the electrode layer and the spacer layer formed on the second support sheet, the adhesive layer is applied to the surface of the spacer layer and the electrode layer formed on the second support sheet. In contact, the adhesive layer, the electrode layer, and the spacer layer are at a pressure of about 0.2 MPa to about 15 MPa, preferably about 0.2 MPa to about 6 MPa at a temperature of about 40 ° C. to about 100 ° C. Then, the adhesive layer is transferred onto the surface of the electrode layer and the spacer layer, and then the third support sheet is peeled off from the adhesive layer.

  In transferring the adhesive layer to the surfaces of the electrode layer and the spacer layer, a second support sheet on which the electrode layer and the spacer layer are formed and a third support sheet on which the adhesive layer is formed are used with a press machine. Even if it pressurizes, it may pressurize using a pair of pressurizing rollers, but it is preferred to pressurize the 2nd support sheet and the 3rd support sheet with a pair of pressurizing rollers.

  When transferring the adhesive layer to the surface of the ceramic green sheet formed on the first support sheet, the adhesive layer is in contact with the surface of the ceramic green sheet formed on the first support sheet. The adhesive layer and the ceramic green sheet are pressed at a pressure of about 0.2 MPa to about 15 MPa, preferably about 0.2 MPa to about 6 MPa at a temperature of about 40 ° C. to about 100 ° C. Then, the adhesive layer is transferred onto the surface of the ceramic green sheet, and then the third support sheet is peeled off from the adhesive layer.

  In transferring the adhesive layer to the surface of the ceramic green sheet, the first support sheet on which the ceramic green sheet is formed and the third support sheet on which the adhesive layer is formed are pressed using a press. Alternatively, pressure may be applied using a pair of pressure rollers, but it is preferable to pressurize the first support sheet and the third support sheet with a pair of pressure rollers.

  An intermediate sheet is then attached to the surface of the adhesive layer.

  As the intermediate sheet, for example, a polyethylene terephthalate film can be used. When the intermediate sheet is attached to the adhesive layer, air is held between the intermediate sheet and the adhesive layer, so that the intermediate sheet In order to prevent the laminate from meandering when the release layer, the electrode layer, the spacer layer, the adhesive layer, and the intermediate sheet are wound on the long second support sheet, It is necessary that irregularities having a height of 1 μm to 10 μm are formed at least on the surface to be attached to the adhesive layer of the intermediate sheet.

  In the present invention, preferably, irregularities having a height of 1 μm to 5 μm are formed on at least the surface to be attached to the adhesive layer of the intermediate sheet.

In the present invention, preferably, at least 800 irregularities having a height of 1 μm to 10 μm are formed per 1 mm ² on the surface to be attached to the adhesive layer of the intermediate sheet.

In the present invention, more preferably, 800 or more irregularities having a height of 1 μm to 5 μm are formed per 1 mm ^{2 on} at least the surface to be attached to the adhesive layer of the intermediate sheet.

  In the present invention, since the intermediate sheet is peeled from the adhesive layer in a later step, the adhesive layer of the third support sheet is formed on the surface to be attached to the adhesive layer of the intermediate sheet in order to improve the peelability. It is preferable to perform a surface treatment equivalent to the formed surface. For example, the surface of the intermediate sheet is coated with silicon resin, alkyd resin, or the like.

  In the present invention, the thickness of the intermediate sheet is not particularly limited, but is preferably about 5 μm to about 100 μm.

  In attaching the intermediate sheet to the surface of the adhesive layer, even if the second support sheet or the first support sheet on which the adhesive layer is formed and the intermediate sheet are pressed using a press, a pair of Although pressure may be applied using a pressure roller, it is preferable to pressurize the second support sheet or the first support sheet and the intermediate sheet with a pair of pressure rollers.

  When the intermediate sheet is attached to the surface of the adhesive layer, the second support sheet or the first support sheet is wound up by a roller.

  Next, the ceramic green sheet is bonded to the electrode layer and the spacer layer through the adhesive layer.

  In adhering the ceramic green sheet, the electrode layer, and the spacer layer via the adhesive layer, first, the second support sheet or a roller around which the first support sheet is wound is set in an adhesive device. .

  Next, the second support sheet or the first support sheet is unwound from the roller, and the intermediate sheet attached to the surface of the adhesive layer is peeled off from the adhesive layer. As a result, the adhesive layer is exposed.

  When the adhesive layer is transferred onto the surfaces of the electrode layer and the spacer layer, the second support sheet is fed out from the roller, and the ceramic green sheet is formed on the surface in synchronism with the peeling of the intermediate sheet from the adhesive layer. The first support sheet wound around the roller is unwound from the roller, and the ceramic green sheet, the electrode layer and the spacer layer are passed through the adhesive layer at a temperature of about 40 ° C. to about 100 ° C. The ceramic green sheet, the spacer layer, and the electrode layer are pressed through the adhesive layer by being pressed at a pressure of about 0.2 MPa to about 15 MPa, preferably about 0.2 MPa to about 6 MPa. Glued.

  On the other hand, when the adhesive layer is transferred to the surface of the ceramic green sheet, the first support sheet is fed out from the roller, and the intermediate sheet is peeled off from the adhesive layer in synchronization with the surface. The second support sheet formed with the release layer, the electrode layer, and the spacer layer and wound around the roller is unwound from the roller, and the ceramic green sheet, the electrode layer and the spacer layer are interposed through the adhesive layer. The ceramic green sheet, the spacer layer and the electrode are pressed at a temperature of 40 ° C. to about 100 ° C. at a pressure of about 0.2 MPa to about 15 MPa, preferably at a pressure of about 0.2 MPa to about 6 MPa. The layers are bonded via an adhesive layer.

  Preferably, the ceramic green sheet, the adhesive layer, the electrode layer, and the spacer layer are pressed using a pair of pressure rollers, and the ceramic green sheet, the electrode layer, and the spacer layer are interposed via the adhesive layer, Glued.

  When the adhesive layer is transferred to the surfaces of the electrode layer and the spacer layer, when the ceramic green sheet is bonded to the electrode layer and the spacer layer via the adhesive layer, the first support sheet is Peeled from the ceramic green sheet.

  Thus, a laminate unit in which the release layer, the electrode layer, the spacer layer, the adhesive layer, and the ceramic green sheet are laminated on the second support sheet is produced, and the produced laminate unit is wound up by a roller.

  On the other hand, when the adhesive layer is transferred to the surface of the ceramic green sheet, when the ceramic green sheet is bonded to the electrode layer and the spacer layer via the adhesive layer, the second support sheet is Peel from the release layer.

  Thus, a laminate unit in which the ceramic green sheet, the adhesive layer, the electrode layer, the spacer layer, and the release layer are laminated on the first support sheet is produced, and the produced laminate unit is wound up by a roller.

  A large number of laminate units produced as described above are laminated via the adhesive layer.

  In laminating the laminate unit, the second support sheet is transferred in the same manner as the adhesive layer formed on the surface of the third support sheet is transferred to the surface of the electrode layer and the spacer layer or the surface of the ceramic green sheet. The adhesive layer is transferred to the surface of the ceramic green sheet of the laminate unit formed on the surface or the surface of the release layer of the laminate unit formed on the first support sheet. After the sheet is attached, the laminate unit is wound up by a roller.

  Next, the roller around which the laminate unit is wound is set in a cutting device or a laminate unit laminate device.

  When the roller around which the laminate unit is wound is set in a cutting device, the laminate unit is unwound from the roller, and the intermediate sheet attached to the surface of the adhesive layer is peeled off from the adhesive layer, and is then applied to the surface. The laminate unit on which the adhesive layer is formed is cut into a predetermined size.

  A large number of laminate units cut into a predetermined size are laminated through an adhesive layer to produce a laminate block.

  When laminating a large number of laminate units, first, the support unit is fixed on the substrate, and the laminate unit is positioned so that the adhesive layer is in close contact with the surface of the support unit. Is added.

  For example, a polyethylene terephthalate film or the like is used as the support.

  The thickness of the support is not particularly limited as long as the support can support the multilayer unit.

  When the adhesive layer is transferred to the surface of the ceramic green sheet of the laminate unit, when the adhesive layer is adhered to the surface of the support, the second support sheet is peeled from the release layer.

  Furthermore, the new laminate unit having the adhesive layer transferred onto the surface of the ceramic green sheet was adhered to the support so that the adhesive layer was in close contact with the release layer of the laminate unit adhered to the support. The new laminate unit is positioned on the laminate unit, and the new laminate unit is pressed toward the substrate, and the new laminate unit is laminated on the laminate unit bonded to the support.

  Next, the second support sheet of the newly laminated body unit is peeled from the release layer.

  Similarly, a predetermined number of laminated body units are laminated to produce a laminated body block, and a predetermined number of laminated body blocks are laminated to produce a laminated ceramic electronic component.

  On the other hand, when the adhesive layer is transferred to the surface of the release layer of the laminate unit, the first support sheet is released from the ceramic green sheet when the adhesive layer is adhered to the surface of the support. .

  Furthermore, the new laminate unit with the adhesive layer transferred to the surface of the release layer was adhered to the support so that the adhesive layer was in close contact with the ceramic green sheet of the laminate unit adhered to the support. The new laminate unit is positioned on the laminate unit, and the new laminate unit is pressed toward the substrate, and the new laminate unit is laminated on the laminate unit bonded to the support.

  Next, the first support sheet of the newly laminated body unit is peeled from the ceramic green sheet.

  Similarly, a predetermined number of laminated body units are laminated to produce a laminated body block, and a predetermined number of laminated body blocks are laminated to produce a laminated ceramic electronic component.

  On the other hand, when the roller around which the laminate unit is wound is set in the laminate unit laminating apparatus, first, the laminate unit is unwound from the roller and attached to the surface of the adhesive layer. The sheet is peeled from the adhesive layer.

  When the adhesive layer is transferred to the surface of the ceramic green sheet of the laminate unit, the ceramic is formed on the first support sheet in synchronization with the peeling of the intermediate sheet from the adhesive layer of the laminate unit. Another laminate unit to be newly laminated, in which the green sheet, adhesive layer, electrode layer, spacer layer and release layer are laminated, is fed out from the roller and laminated with the ceramic green sheet of the laminate unit. The release layer of the body unit is passed through the adhesive layer at a pressure of about 0.2 MPa to about 15 MPa, preferably about 0.2 MPa to about 6 MPa, at a temperature of about 40 ° C. to about 100 ° C. Pressurized, the ceramic green sheet of the laminate unit and the release layer of the laminate unit to be newly laminated are bonded together via the adhesive layer.

  Preferably, the two laminate units are pressed using a pair of pressure rollers, and the ceramic green sheet of the laminate unit and the release layer of the laminate unit to be newly laminated are interposed via the adhesive layer. Glued.

  Next, the first support sheet is peeled off from the newly laminated ceramic green sheets of the laminate unit, and a laminate unit set in which two laminate units are laminated is produced.

  The laminate unit set thus produced is wound up by a roller.

  Further, the multilayer unit set is fed out from the roller, and the ceramic green sheet of the multilayer unit set is transferred in the same manner as the adhesive layer formed on the surface of the third support sheet is transferred to the surface of the ceramic green sheet. The ceramic green sheet, the adhesive layer, the electrode layer, the spacer layer, and the release layer are laminated on the first support sheet in synchronization with the transfer of the adhesive layer to the surface of the first support sheet. Another laminate unit to be newly laminated is drawn out from the roller, and the ceramic green sheet of the laminate unit and the release layer of another laminate unit are bonded together via the adhesive layer. Then, the ceramic green sheet of the laminate unit set and the release layer of the laminate unit to be newly laminated are pressed and laminated through the adhesive layer. A ceramic green sheet of the unit set, the release layer of the laminate unit to be newly laminated, through the adhesive layer is adhered.

  Similarly, a predetermined number of laminate units are laminated to produce a laminate unit set. When a predetermined number of laminate units are laminated, the laminate unit set is cut into a predetermined size. A laminate block is produced.

  The laminated body blocks thus produced are laminated to produce a multilayer ceramic electronic component.

  On the other hand, when the adhesive layer is transferred to the surface of the release layer of the laminate unit, in synchronization with the release of the intermediate sheet from the adhesive layer of the laminate unit, on the second support sheet, Another laminate unit to be newly laminated, in which the release layer, the electrode layer, the spacer layer, and the ceramic green sheet are laminated, is fed out from the roller, and the release layer of the laminate unit and the laminate unit to be newly laminated The ceramic green sheet is pressed through the adhesive layer at a temperature of about 40 ° C. to about 100 ° C. at a pressure of about 0.2 MPa to about 15 MPa, preferably about 0.2 MPa to about 6 MPa. Then, the release layer of the laminate unit and the ceramic green sheet of the laminate unit to be newly laminated are bonded via the adhesive layer.

  Preferably, the two laminate units are pressed using a pair of pressure rollers, and the release layer of the laminate unit and the ceramic green sheet of the laminate unit to be newly laminated are disposed via the adhesive layer. Glued.

  Next, the second support sheet is peeled from the release layer of the newly laminated laminate unit, and a laminate unit set in which two laminate units are laminated is produced.

  The laminate unit set thus produced is wound up by a roller.

  Further, the surface of the release layer of the laminate unit set is transferred in the same manner that the laminate unit set is fed from the roller and the adhesive layer formed on the surface of the third support sheet is transferred to the surface of the release layer. Then, in synchronization with the transfer of the adhesive layer, the release layer, the electrode layer, the spacer layer, and the ceramic green sheet are newly laminated on the second support sheet. A separate laminate unit is drawn out from the roller, and the laminate unit set is formed in the same manner that the release layer of the laminate unit and the ceramic green sheet of another laminate unit are bonded via the adhesive layer. The release layer and the ceramic green sheet of the laminate unit to be newly laminated are pressed through the adhesive layer, and the release layer of the laminate unit set and the product to be newly laminated are stacked. Ceramic green sheet body unit, through the adhesive layer is adhered.

  Similarly, a predetermined number of laminate units are laminated to produce a laminate unit set. When a predetermined number of laminate units are laminated, the laminate unit set is cut into a predetermined size. A laminate block is produced.

  The laminated body blocks thus produced are laminated to produce a multilayer ceramic electronic component.

  ADVANTAGE OF THE INVENTION According to this invention, while preventing a deformation | transformation and destruction of a ceramic green sheet, it can prevent that the solvent in an electrode paste permeates into a ceramic green sheet, Lamination | stacking by which the ceramic green sheet and the electrode layer were laminated | stacked Provided is a method for manufacturing a multilayer unit for a multilayer ceramic electronic component that can be manufactured as desired, and a method for manufacturing a multilayer unit set for a multilayer electronic component including at least one multilayer unit. It becomes possible.

  Hereinafter, a method for manufacturing a multilayer ceramic capacitor according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

  In manufacturing a multilayer ceramic capacitor, first, a dielectric paste is prepared in order to manufacture a ceramic green sheet.

  The dielectric paste is usually prepared by kneading a dielectric material and an organic vehicle in which a binder is dissolved in an organic solvent.

  The prepared dielectric paste is applied onto the first support sheet using, for example, an extrusion coater or a wire bar coater, and a coating film is formed.

  As the first support sheet, for example, a polyethylene terephthalate film or the like is used, and a silicon resin, an alkyd resin, or the like is coated on the surface in order to improve the peelability. The thickness of the first support sheet is not particularly limited, but is preferably about 5 μm to about 100 μm.

  The coating is then dried, for example, at a temperature of about 50 ° C. to about 100 ° C. for about 1 to about 20 minutes to form a ceramic green sheet on the first support sheet.

  The thickness of the ceramic green sheet 2 after drying is preferably 3 μm or less, and more preferably 1.5 μm or less.

  The width of the first support sheet is usually about 100 mm to 400 mm.

  FIG. 1 is a schematic cross-sectional view showing a state in which a ceramic green sheet is formed on the surface of a first support sheet.

  Actually, the first support sheet 1 has a long shape, and the ceramic green sheet 2 is continuously formed on the surface of the long first support sheet 1.

  After the ceramic green sheet 2 is formed, the first support sheet 1 is wound around a roller (not shown).

  On the other hand, a second support sheet is prepared separately from the ceramic green sheet 2, and a release layer, an electrode layer, and a spacer layer are formed on the second support sheet.

  FIG. 2 is a schematic partial cross-sectional view of the second support sheet 4 having the release layer 5 and the electrode layer 6 formed on the surface thereof.

  Actually, the second support sheet 4 has a long shape, and the release layer 5 is continuously formed on the surface of the long second support sheet 4, and on the surface of the release layer 5, The electrode layer 6 is formed in a predetermined pattern.

  In forming the release layer 5 on the surface of the second support sheet 4, first, a dielectric paste for forming the release layer 5 is prepared in the same manner as when the ceramic green sheet 2 is formed.

  The dielectric paste for forming the release layer 5 preferably contains dielectric particles having the same composition as the dielectric contained in the ceramic green sheet 2.

  The binder contained in the dielectric paste for forming the release layer 5 may or may not be the same as the binder contained in the ceramic green sheet 2, but is preferably the same. .

  Thus, when a dielectric paste is prepared, a dielectric paste is apply | coated on the 2nd support sheet 4 using a wire bar coater (not shown), for example, and the peeling layer 5 is formed.

  The thickness of the release layer 5 is preferably less than or equal to the thickness of the electrode layer 6, preferably about 60% or less of the thickness of the electrode layer 6, more preferably about 30% of the thickness of the electrode layer 6. It is as follows.

  As the second support sheet 4, for example, a polyethylene terephthalate film or the like is used, and the surface thereof is coated with a silicon resin, an alkyd resin, or the like in order to improve peelability. The thickness of the second support sheet 4 is not particularly limited, and may be the same as or different from the thickness of the first support sheet 1, but is preferably about 5 μm to about 100 μm. is there.

  After the release layer 5 is formed, the release layer 5 is dried, for example, at about 50 ° C. to about 100 ° C. for about 1 minute to about 10 minutes.

  After the release layer 5 is dried, the electrode layer 6 constituting the internal electrode layer is formed in a predetermined pattern on the surface of the release layer 5 after firing.

  The electrode layer 6 is preferably formed to a thickness of about 0.1 μm to about 5 μm, more preferably about 0.1 μm to about 1.5 μm.

  When the electrode layer 6 is formed on the release layer 5, first, a conductor material made of various conductive metals and alloys, and various oxides and organics that become conductor materials made of various conductive metals and alloys after firing. An electrode paste is prepared by kneading a metal compound or resinate with an organic vehicle in which a binder is dissolved in an organic solvent.

  As a conductor material used when manufacturing the electrode paste, Ni, Ni alloy, or a mixture thereof is preferably used.

  The average particle diameter of the conductor material is not particularly limited, but usually a conductive material having a thickness of about 0.1 μm to about 2 μm, preferably about 0.2 μm to about 1 μm is used.

  The electrode layer 6 is formed by printing an electrode paste on the release layer 5 using a printing machine such as a screen printing machine or a gravure printing machine.

  After the electrode layer 6 having a predetermined pattern is formed on the surface of the release layer 5 by screen printing or gravure printing, the electrode layer 6 is complementary to the surface of the release layer 5 on which the electrode layer 6 is not formed. The spacer layer is formed in a typical pattern.

  FIG. 3 is a schematic partial cross-sectional view showing a state in which the electrode layer 6 and the spacer layer 7 are formed on the surface of the release layer 5.

  Prior to forming the electrode layer 6 on the surface of the release layer 5, the spacer layer 7 can also be formed on the surface of the release layer 5 excluding a portion where the electrode layer 6 is to be formed.

  In forming the spacer layer 7, a dielectric paste having the same composition as that of the dielectric paste used when the ceramic green sheet 2 was produced was prepared, and the dielectric paste was applied to the electrode by screen printing or gravure printing. A pattern complementary to the electrode layer 6 is printed on the surface of the release layer 5 on which the layer 6 is not formed.

  In the present embodiment, the spacer layer 7 is formed on the release layer 5 so that ts / te = 1.1. Here, ts is the thickness of the spacer layer 7, and te is the thickness of the electrode layer 6.

  After the release layer 5, the electrode layer 6 and the spacer layer 7 are formed, the second support sheet 4 is wound up by a roller (not shown).

  In the present embodiment, the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 are configured to be bonded through an adhesive layer, and the first support sheet on which the ceramic green sheet 2 is formed. 1 and the second support sheet 4 on which the electrode layer 6 and the spacer layer 7 are formed, a third support sheet is further prepared, and an adhesive layer is formed on the third support sheet and bonded. A layer sheet is produced.

  FIG. 4 is a schematic partial cross-sectional view of the adhesive layer sheet 11 in which the adhesive layer 10 is formed on the surface of the third support sheet 9.

  Actually, the third support sheet 9 has a long shape, and the adhesive layer 10 is continuously formed on the surface of the long third support sheet 9.

  As the third support sheet 9, for example, a polyethylene terephthalate film or the like is used, and both surfaces thereof are coated with a silicon resin, an alkyd resin, or the like in order to improve peelability. The thickness of the third support sheet 9 is not particularly limited, but is preferably about 5 μm to about 100 μm.

  In forming the adhesive layer 10, first, an adhesive solution is prepared.

  In this embodiment, the adhesive solution contains a binder, a plasticizer and an antistatic agent, and a release agent as an optional component.

  The adhesive solution may contain dielectric particles having the same composition as the dielectric particles contained in the ceramic green sheet. When the adhesive solution contains dielectric particles, the ratio of the dielectric particles to the binder weight is preferably smaller than the ratio of the dielectric particles contained in the ceramic green sheet to the binder weight.

  The binder contained in the adhesive solution is preferably a binder similar to the binder contained in the dielectric paste for forming the ceramic green sheet, but the binder contained in the dielectric paste for forming the ceramic green sheet It may be a binder not related to the same.

  The plasticizer contained in the adhesive solution is preferably a plasticizer of the same type as the plasticizer contained in the dielectric paste for forming the ceramic green sheet, but the dielectric paste for forming the ceramic green sheet It may be a plasticizer that is not of the same type as the binder contained.

  The content of the plasticizer is about 0 to about 200 parts by weight, preferably about 20 to about 200 parts by weight, and more preferably about 50 to about 100 parts by weight with respect to 100 parts by weight of the binder. Part.

  In this embodiment, the adhesive solution contains 0.01% to 15% by weight of the binder antistatic agent.

  In this embodiment, an imidazoline surfactant is used as the antistatic agent.

  The adhesive solution thus prepared is applied onto the third support sheet 9 by, for example, a bar coater, an extrusion coater, a reverse coater, a dip coater, a kiss coater, etc., and preferably about 0.02 μm to about 0.3 μm. More preferably, the adhesive layer 10 having a thickness of about 0.02 μm to about 0.1 μm is formed. When the thickness of the adhesive layer 10 is less than about 0.02 μm, the adhesive strength is reduced. On the other hand, when the thickness of the adhesive layer 10 exceeds about 0.3 μm, it causes a defect (gap). It is not preferable.

  The adhesive layer 10 is dried, for example, at a temperature of room temperature (25 ° C.) to about 80 ° C. for about 1 minute to about 5 minutes. The drying conditions for the adhesive layer 10 are not particularly limited.

  The adhesive sheet 11 having the adhesive layer 10 formed on the surface of the third support sheet 9 is wound up by a roller (not shown). In this embodiment, since the third support sheet 9 is coated on both surfaces with silicon resin, alkyd resin or the like in order to improve the peelability, the adhesive layer is formed when wound with a roller. 10 is prevented from adhering to the back surface of the third support sheet 9.

  Thus, the adhesive layer 10 formed on the third support sheet 9 is transferred to the surfaces of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4.

  FIG. 5 is a schematic cross-sectional view of a transfer device that transfers the adhesive layer 10 formed on the third support sheet 9 to the surfaces of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4. is there.

  As shown in FIG. 5, the transfer device for transferring the adhesive layer 10 formed on the third support sheet 9 to the surfaces of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 is as follows. A first feeding roller 12, a second feeding roller 13, a peeling roller 14, a pair of pressure rollers 15, 16, a first winding roller 17, a second winding roller 18, An intermediate sheet feeding roller 19a for feeding the intermediate sheet 19 is provided.

  In the present embodiment, the pressure roller 15 disposed above is configured by a metal roller, and the pressure roller 16 disposed below is configured by a rubber roller.

  In transferring the adhesive layer 10 formed on the third support sheet 9 to the surfaces of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4, as the first feeding roller 12, A roller around which the adhesive sheet 11 is wound is set in a transfer device, and a second support sheet 4 having a release layer 5, an electrode layer 6, and a spacer layer 7 laminated on the surface is wound as a second feeding roller 13. The rotated roller is set.

  Further, an intermediate sheet feeding roller 19a around which the intermediate sheet 19 is wound is set in the transfer device.

  The intermediate sheet 19 is attached to the surface of the adhesive layer 10 transferred to the surfaces of the electrode layer 6 and the spacer layer 7, and the second support sheet 4 having the adhesive layer 10 transferred to the surfaces of the electrode layer 6 and the spacer layer 7. The adhesive layer 11 is prevented from adhering to the surface of the second support sheet 4 when it is wound up by the second winding roller 18.

  As the intermediate sheet 19, for example, a polyethylene terephthalate film can be used. In the present embodiment, as the intermediate sheet 19, irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10. The intermediate sheet 19 is used.

  As described above, when the intermediate sheet 19 having a height of 1 μm to 10 μm formed on the surface to be attached to the adhesive layer 10 is used as the intermediate sheet 19 to be attached to the surface of the adhesive layer 10, air is bonded. The air is not exhausted from the space between the layer 10 and the intermediate sheet 19 and the air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus wrinkles occur in the intermediate sheet 19 attached to the adhesive layer 10. When the elongate second support sheet 4 in which the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the intermediate sheet 19 are wound on the surface is wound up, the second support sheet 4 Can be effectively prevented from meandering.

  Preferably, the intermediate sheet 19 has unevenness with a height of 1 μm to 5 μm formed on the surface to be attached to the adhesive layer 10.

Further, 800 or more height irregularities of 1 μm to 10 μm are formed per 1 mm ^{2 of the} surface to be attached to the adhesive layer 10 of the intermediate sheet 19.

More preferably, 800 or more height irregularities of 1 μm to 5 μm are formed per 1 mm ^{2 of the} surface to be attached to the adhesive layer 10 of the intermediate sheet 19.

  Preferably, the intermediate sheet 19 is formed of the same material as the third support sheet 9, and the surface to be attached to the adhesive layer 10 of the intermediate sheet 19 is coated with silicon resin, alkyd resin, etc. The same surface treatment as that of the support sheet 9 is performed.

  In transferring the adhesive layer 10 formed on the third support sheet 9 to the surfaces of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4, first, the first feeding roller 12. Then, the adhesive sheet 11 is fed out, and the adhesive sheet 11 is supplied between the pair of pressure rollers 15 and 16.

  In synchronization with the feeding of the adhesive sheet 11 from the first feeding roller 12, the second supporting sheet 4 in which the peeling layer 5, the electrode layer 6 and the spacer layer 7 are laminated on the surface from the second feeding roller 13. The second support sheet 4 is supplied between the pair of pressure rollers 15 and 16.

  When the adhesive layer 10 is transferred to the surfaces of the electrode layer 6 and the spacer layer 7, the peeling roller 14 is not driven.

  FIG. 6 is a schematic enlarged sectional view of the vicinity of the pair of pressure rollers 15 and 16.

  The pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure of the pair of pressure rollers 15 and 16 is preferably about 0.2 to about 15 MPa, more preferably , About 0.2 MPa to about 6 MPa.

  The supply speed of the second support sheet 4 and the third support sheet 9 is set to 2 m / second, for example.

  As shown in FIG. 6, the third support sheet 9 on which the adhesive layer 10 is formed has the third support sheet 9 moved upward by the pressure roller 15 by the tensile force applied to the third support sheet 9. The second support sheet 4 that is supplied between the pair of pressure rollers 15 and 16 from the upper side so as to be wound around the second support sheet 4 on which the electrode layer 6 and the spacer layer 7 are formed is the second support sheet 4. Is in contact with the lower pressure roller 16, and the electrode layer 6 and the spacer layer 7 are in contact with the surface of the adhesive layer 10 formed on the third support sheet 9 in a substantially horizontal direction. Supplied between the pressure rollers 15 and 16.

  As a result, the adhesive layer 10 formed on the third support sheet 9 is bonded to the surfaces of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4.

  On the other hand, as shown in FIG. 6, the third support sheet 9 on which the adhesive layer 10 is formed is conveyed obliquely upward from between the pair of pressure rollers 15 and 16. The support sheet 9 is peeled off from the adhesive layer 10 adhered to the surfaces of the electrode layer 6 and the spacer layer 7 and wound up by the first winding roller 17.

  When the third support sheet 9 is peeled off from the adhesive layer 10, static electricity is generated and dust adheres, or the adhesive layer is attracted to the third support sheet, and the third support sheet is formed as desired. However, in this embodiment, the adhesive layer 10 contains 0.01 wt% to 15 wt% imidazoline-based surfactant with respect to the binder. Therefore, it is possible to effectively prevent the generation of static electricity.

  Thus, when the adhesive layer 10 is adhered to the surfaces of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4, and the third support sheet 9 is peeled from the adhesive layer 10, FIG. 2, the intermediate sheet 19 that has been fed out from the intermediate sheet feeding roller 19 a is attached to the surface of the adhesive layer 10, and the second support sheet 4 is wound up by the second winding roller 18.

  In this embodiment, since the intermediate sheet 19 is used as the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10, air is intermediate between the adhesive layer 10 and the intermediate sheet 19. The air is not discharged between the spaces between the sheets 19 and the air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus the intermediate sheet 19 attached to the adhesive layer 10 is wrinkled or the second When winding the long second support sheet 4 in which the peeling layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the intermediate sheet 19 are laminated on the surface by the winding roller 18, It is possible to effectively prevent the second support sheet 4 from meandering.

  Thus, in this embodiment, after the intermediate sheet 19 is attached to the surface of the adhesive layer 10, the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the intermediate sheet 19 are formed on the surface. Since the laminated second support sheet 4 is configured to be wound by the second winding roller 18, the adhesive layer 10 does not adhere to the second support sheet 4.

  Next, the ceramic green sheet 2 formed on the first support sheet 1 is transferred to the surfaces of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 via the adhesive layer 10. .

  In FIG. 7, the ceramic green sheet 2 formed on the first support sheet 1 is transferred to the surface of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 via the adhesive layer 10. 1 is a schematic cross-sectional view of a transfer device.

  As shown in FIG. 7, the ceramic green sheet 2 formed on the first support sheet 1 is connected to the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 via the adhesive layer 10. The transfer device for transferring to the surface of the first is a first feeding roller 12, a second feeding roller 13, a peeling roller 14, a pair of pressure rollers 15, 16, a first winding roller 17, and a first winding roller 17. A second take-up roller 18 and an intermediate sheet feeding roller 19a for feeding the intermediate sheet 19 are provided and have the same configuration as the transfer device shown in FIG.

  In transferring the ceramic green sheet 2 formed on the first support sheet 1 to the surface of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 via the adhesive layer 10, First, as the first feeding roller 12, a roller around which the first support sheet 1 on which the ceramic green sheet 2 is formed is set on the transfer device, and as the second feeding roller 13, A second take-up roller 18 around which a second support sheet 4 on which a release layer 5, an electrode layer 6, a spacer layer 7, an adhesive layer 10 and an intermediate sheet 19 are laminated is wound on a transfer device. The

  Next, the second support sheet 4 in which the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the intermediate sheet 19 are laminated on the surface is fed out from the second feeding roller 13, and the adhesive layer 10 The intermediate sheet 19 attached to the surface is peeled off and wound up by the peeling roller 14.

  In the present embodiment, the intermediate sheet 19 is formed by using the intermediate sheet 19 having unevenness with a height of 1 μm to 10 μm formed on the surface to be attached to the adhesive layer 10. Then, it can be peeled off and wound up by the peeling roller 14 as desired.

  The second support sheet 4 from which the intermediate sheet 19 has been peeled from the adhesive layer 10 is supplied between the pair of pressure rollers 15 and 16 so that the second support sheet 4 contacts the pressure roller 16 below. On the other hand, in synchronization with the feeding of the second supporting sheet 4 from the second feeding roller 13, the first supporting sheet 1 having the ceramic green sheet 2 formed on the surface thereof from the first feeding roller 12 is provided. Is fed out and supplied between the pair of pressure rollers 15 and 16 so that the first support sheet 1 comes into contact with the upper pressure roller 15.

  FIG. 8 is a schematic enlarged cross-sectional view of the vicinity of the pair of pressure rollers 15 and 16.

  7 and 8, the pair of pressure rollers 15 and 16 are maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure between the pair of pressure rollers 15 and 16 is Preferably, it is set to about 0.2 to about 15 MPa, more preferably about 0.2 MPa to about 6 MPa.

  The supply speed of the first support sheet 1 and the second support sheet 4 is set to 2 m / second, for example.

  As shown in FIG. 8, the first support sheet 1 on which the ceramic green sheet 2 is formed has the first support sheet 1 turned upward by the tensile force applied to the first support sheet 1. The second support sheet 4 that is supplied between the pair of pressure rollers 15 and 16 so as to be wound around 15 and formed with the electrode layer 6 and the spacer layer 7 is a second support sheet. 4 is in contact with the lower pressure roller 16, and the electrode layer 6 and the spacer layer 7 are in contact with the surface of the ceramic green sheet 2 formed on the first support sheet 1 through the adhesive layer. Supplied between the pair of pressure rollers 15 and 16 in a substantially horizontal direction.

  As a result, the ceramic green sheet 2 formed on the first support sheet 1 is bonded to the surfaces of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 via the adhesive layer 10. On the other hand, as shown in FIG. 8, the first support sheet 1 on which the ceramic green sheet 2 is formed is conveyed obliquely upward from between the pair of pressure rollers 17 and 18. Thus, the first support sheet 1 is peeled off from the ceramic green sheet 2 adhered to the surfaces of the electrode layer 6 and the spacer layer 7.

  The first support sheet 1 peeled off from the ceramic green sheet 2 is wound up by a first winding roller 17, while the ceramic green sheet 2 is adhered to the surfaces of the electrode layer 6 and the spacer layer 7. The support sheet 4 is wound up by the second winding roller 18.

  In the present embodiment, since the adhesive layer 10 is transferred to the surfaces of the electrode layer 6 and the spacer layer 7 and then the intermediate sheet 19 is attached to the surface of the adhesive layer 10, Even if the second support sheet 4 in which the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the intermediate sheet 19 are laminated is wound up by the second winding roller 18, the adhesive layer 10 is The ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 are bonded to each other through the adhesive layer 10 without being attached to the surface of the second support sheet 4. Thus, a laminate unit is manufactured. Since the transfer device can be arranged in parallel with the transfer device for transferring the adhesive layer 10 to the surfaces of the electrode layer 6 and the spacer layer 7 formed on the surface of the second support sheet 4, the production line It is possible to prevent the unnecessarily longer.

  Further, in this embodiment, the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 are bonded via the adhesive layer 10, and the ceramic green sheet 2, the electrode layer 6 and the spacer layer are conventionally attached. The ceramic green sheet 2 is bonded to the electrode layer 6 and the spacer layer 7 by utilizing the adhesive strength of the binder contained in the plate 7, and the deformation of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7. Therefore, for example, the ceramic green sheet 2 can be bonded to the electrode layer 6 and the spacer layer 7 with a low pressure of about 0.2 MPa to about 15 MPa.

  Therefore, since it becomes possible to prevent the deformation of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7, the laminate of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 thus obtained is laminated, It becomes possible to improve the lamination accuracy when producing the multilayer ceramic capacitor.

  Furthermore, in the present embodiment, the electrode layer 6 and the spacer layer 7 having a lower density and a higher compressibility than the electrode layer 6 are formed so that ts / te = 1.1. When the spacer layer 7 is transferred onto the ceramic green sheet 2 via the adhesive layer 10, the spacer layer 7 is compressed by pressure, and the electrode layer 6 and the spacer layer 7 are connected via the adhesive layer 10. Therefore, when the second support sheet 4 is peeled off, the electrode layer 6 is reliably prevented from being peeled off together with the second support sheet 4. It becomes possible.

  Moreover, in this embodiment, after the electrode layer 6 formed on the second support sheet 4 is dried, it is configured to adhere to the surface of the ceramic green sheet 2 via the adhesive layer 10. Then, the electrode paste dissolves or swells the binder contained in the ceramic green sheet 2 as in the case of forming the electrode layer 6 by printing the electrode paste on the surface of the ceramic green sheet 2. The electrode layer 6 can be formed on the surface of the ceramic green sheet 2 as desired without causing the electrode paste to penetrate into the ceramic green sheet 2.

  As described above, the ceramic green sheet 2 formed on the first support sheet 1 via the adhesive layer 10 on the surface of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4. After the first support sheet 1 was peeled from the ceramic green sheet 2, the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the ceramic green sheet 2 were laminated on the surface. The second support sheet 4 is wound up by the second winding roller 18.

  Thus, a laminate unit 20 in which the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the ceramic green sheet 2 are laminated is formed on the surface of the second support sheet 4.

  Next, the adhesive layer 10 of the adhesive layer sheet 11 is transferred onto the surface of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 in the same manner as on the second support sheet 4. The adhesive layer 10 of the adhesive sheet 11 is transferred to the surface of the ceramic green sheet 2 of the formed laminate unit 20.

  FIG. 9 is a schematic cross-sectional view of a transfer device that transfers the adhesive layer 10 of the adhesive layer sheet 11 to the surface of the ceramic green sheet 2 of the multilayer body unit 20.

  As shown in FIG. 9, the transfer device for transferring the adhesive layer 10 of the adhesive layer sheet 11 to the surface of the ceramic green sheet 2 of the laminate unit 20 includes a first feeding roller 12 and a second feeding roller 13. A peeling roller 14, a pair of pressure rollers 15, 16, a first winding roller 17, a second winding roller 18, and an intermediate sheet feeding roller 19a for feeding the intermediate sheet 19. The transfer apparatus shown in FIG. 5 and the transfer apparatus shown in FIG.

  In transferring the adhesive layer 10 formed on the surface of the third support sheet 9 to the surface of the ceramic green sheet 2 of the laminate unit 20, first, the adhesive sheet 11 is wound as the first feeding roller 12. The rolled roller is set in the transfer device, and the second take-up roller 18 around which the second support sheet 4 on which the laminate unit 20 is formed is wound as the second feeding roller 13. The

  Next, the adhesive sheet 11 is fed from the first feeding roller 12 and supplied between the pair of pressure rollers 15 and 16.

  In synchronization with the feeding of the adhesive sheet 11 from the first feeding roller 12, the second supporting sheet 4 having the laminate unit 20 formed on the surface is fed from the second feeding roller 13 and a pair of additional sheets are added. Supplied between the pressure rollers 15 and 16.

  FIG. 10 is a schematic enlarged sectional view of the vicinity of the pair of pressure rollers 15 and 16.

  The pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure of the pair of pressure rollers 15 and 16 is preferably about 0.2 to about 15 MPa, more preferably , About 0.2 MPa to about 6 MPa.

  The supply speed of the second support sheet 4 and the third support sheet 9 is set to 2 m / second, for example.

  As shown in FIG. 10, the third support sheet 9 on which the adhesive layer 10 is formed has the third support sheet 9 formed by the upper pressure roller 15 by the tensile force applied to the third support sheet 9. The second support sheet 4, which is supplied between the pair of pressure rollers 15, 16 so as to be wound around the upper surface and on which the laminate unit 20 is formed, is a second support sheet. 4 is in contact with the lower pressure roller 16 and the ceramic green sheet 2 of the laminate unit 20 is in contact with the surface of the adhesive layer 10 formed on the third support sheet 9 in a substantially horizontal direction. , Supplied between the pair of pressure rollers 15 and 16.

  As a result, the adhesive layer 10 formed on the third support sheet 9 is adhered to the surface of the ceramic green sheet 2 of the multilayer unit 20.

  On the other hand, as shown in FIG. 10, the third support sheet 9 on which the adhesive layer 10 is formed is conveyed obliquely upward from between the pair of pressure rollers 15 and 16. The support sheet 9 is peeled off from the adhesive layer 10 adhered to the surface of the ceramic green sheet 2 and wound up by the first winding roller 17.

  After the adhesive layer 10 formed on the third support sheet 9 is adhered to the surface of the ceramic green sheet 2 of the laminate unit 20 and the third support sheet 9 is peeled off from the adhesive layer 10, the intermediate sheet is fed out. The intermediate sheet 19 is fed out from the roller 19 a and adhered to the surface of the adhesive layer 10, and then the second support sheet 4 is wound up by the second winding roller 18.

  The laminate unit 20 obtained as described above is cut into a predetermined size by a cutting device (not shown), and on the surface of the second support sheet 4, the release layer 5, the electrode layer 6, A laminate unit 20 having a predetermined size in which the spacer layer 7, the adhesive layer 10, the ceramic green sheet 2, and the adhesive layer 10 are laminated is produced.

  FIG. 11 is a schematic cross-sectional view of the laminate unit 20 thus cut into a predetermined size by the cutting device.

  As shown in FIG. 11, the laminate unit 20 is formed on the surface of the second support sheet 4, and includes a release layer 5, an electrode layer 6, a spacer layer 7, an adhesive layer 10, and a ceramic green sheet 2. An adhesive layer 10 is transferred onto the ceramic green sheet 2.

  Similarly, the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the ceramic green sheet 2 are laminated on the surface of the second support sheet 4, and the adhesive layer 10 is formed on the surface of the ceramic green sheet 2. , Each of which includes a ceramic green sheet 2 including a release layer 5, an electrode layer 6, a spacer layer 7, and an adhesive layer 10, and a number of laminate units 20 having the adhesive layer 10 transferred onto the ceramic green sheet 2. Is produced.

  A multilayer ceramic capacitor is fabricated by laminating a large number of multilayer units 20 thus fabricated via the adhesive layer 10 transferred to the surface of the ceramic green sheet 2.

  FIG. 12 is a schematic partial cross-sectional view showing the first step of the stacking process of the stacked body unit 20.

  As shown in FIG. 12, in stacking the stacked unit 20, first, the support 28 is set on the substrate 25 in which a large number of holes 26 are formed.

  As the support 28, for example, a polyethylene terephthalate film or the like is used.

  The support 28 is sucked by air through a large number of holes 26 formed in the substrate 25 and fixed to a predetermined position on the substrate 25.

  FIG. 13 is a schematic partial cross-sectional view illustrating a second step of the stacking process of the stacked body unit 20.

  Next, as shown in FIG. 13, the laminate unit 20 is positioned such that the surface of the adhesive layer 10 transferred to the surface of the ceramic green sheet 2 contacts the surface of the support 28, and the laminate unit Twenty second support sheets 4 are pressed by a press machine or the like.

  As a result, the laminate unit 20 is adhered and laminated on the support 28 fixed on the substrate 25 via the adhesive layer 10 transferred to the surface of the ceramic green sheet 2.

  FIG. 14 is a schematic partial cross-sectional view illustrating a third step of the stacking process of the stacked body unit 20.

  When the laminate unit 20 is adhered and laminated on the support 28 fixed on the substrate 25 via the adhesive layer 10 transferred to the surface of the ceramic green sheet 2, as shown in FIG. In addition, the second support sheet 4 is peeled from the release layer 5 of the laminate unit 20.

  In the present embodiment, since the electrode layer 6 and the spacer layer 7 are formed so that ts / te = 1.1, the spacer layer 7 is compressed by the pair of pressure rollers 17 and 18, Not only the spacer layer 7 but also the electrode layer 6 is bonded to the surface of the ceramic green sheet 2 via the adhesive layer 10, so that when the second support sheet 4 is peeled off, the electrode layer 6 is It is possible to effectively prevent peeling from the ceramic green sheet 2 together with the support sheet 4.

  In this way, on the release layer 5 of the laminate unit 20 laminated on the support 28 fixed on the substrate 25 via the adhesive layer 10 transferred to the surface of the ceramic green sheet 2, the laminate is further provided. Units 20 are stacked.

  FIG. 15 is a schematic partial cross-sectional view illustrating a fourth step of the stacking process of the stacked body unit 20.

  Next, as shown in FIG. 15, the surface of the adhesive layer 10 transferred onto the ceramic green sheet 2 is applied to the surface of the release layer 5 of the laminate unit 20 bonded to the support 28 fixed to the substrate 25. The new laminate unit 20 is positioned so as to come into contact, and the second support sheet 4 of the new laminate unit 20 is pressed by a press machine or the like.

  As a result, a new laminate unit 20 is formed on the laminate unit 20 bonded on the support 28 fixed on the substrate 25 through the adhesive layer 10 formed on the ceramic green sheet 2. Laminated.

  FIG. 16 is a schematic partial cross-sectional view showing a fifth step of the stacking process of the stacked body unit 20.

  When a new laminate unit 20 is laminated on the laminate unit 20 bonded on the support 28 fixed on the substrate 25 through the adhesive layer 10, as shown in FIG. The second support sheet 4 of the laminate unit 20 that has been newly laminated is peeled from the release layer 5 of the laminate unit 20.

  Similarly, the laminate units 20 are laminated one after another, and a predetermined number of laminate units 20 are laminated on the support 28 fixed to the substrate 25 to produce a laminate block.

  When a predetermined number of laminate units 20 are laminated on the support 28 fixed to the substrate 25 to produce a laminate block, a predetermined number of laminate units 20 are formed on the support 28 fixed to the substrate 25. A laminate block in which a number of laminate units 20 are laminated is laminated on the outer layer of the multilayer ceramic capacitor.

  FIG. 17 is a schematic partial cross-sectional view showing the first step of the lamination process of laminating the laminated body block 40 laminated on the support 28 fixed to the substrate 25 on the outer layer of the laminated ceramic capacitor. .

  As shown in FIG. 17, first, an outer layer 33 on which an adhesive layer 32 is formed is set on a base 30 on which a large number of holes 31 are formed.

  The outer layer 33 is sucked by air through a large number of holes 31 formed in the base 30 and is fixed at a predetermined position on the base 30.

  Next, as shown in FIG. 17, the laminated body block 40 laminated on the support body 28 sucked by air through a large number of holes 26 and fixed at a predetermined position on the substrate 25 is finally attached. Is positioned so that the surface of the release layer 5 of the laminate unit 20 laminated in contact with the surface of the adhesive layer 32 formed on the outer layer 33.

  Next, the suction of the support body 28 by air is stopped, and the substrate 25 is removed from the support body 28 supporting the stacked body block 40.

  When the substrate 25 is removed from the support 28, the support 28 is pressurized by a press or the like.

  As a result, the laminated body block 40 is adhered and laminated on the outer layer 33 fixed on the base 30 via the adhesive layer 32.

  FIG. 18 is a schematic partial cross-sectional view showing a second step of the lamination process in which the laminated body block 40 laminated on the support 28 fixed to the substrate 25 is laminated on the outer layer of the laminated ceramic capacitor. .

  When the laminate block 40 is adhered and laminated on the outer layer 33 fixed on the base 30 via the adhesive layer 32, the support 28 becomes a laminate block as shown in FIG. The 40 adhesive layers 10 are peeled off.

  In this way, the laminated body block 40 in which a predetermined number of laminated body units 20 are laminated is laminated on the outer layer 33 fixed on the base 30 via the adhesive layer 32.

  When the laminate block 40 is laminated on the outer layer 33 fixed on the base 30 via the adhesive layer 32, the laminate block laminated on the outer layer 33 fixed on the base 30. A predetermined number of laminate units on the adhesive layer 10 of the top 40 laminate units 20 and on the support 28 fixed to the substrate 25 according to the steps shown in FIGS. 20 is laminated, and a new laminated body block 40 produced is laminated.

  FIG. 19 is a schematic partial cross-sectional view showing a third step of the lamination process in which the laminated body block 40 laminated on the support 28 fixed to the substrate 25 is laminated on the outer layer of the laminated ceramic capacitor. .

  As shown in FIG. 19, a laminate block 40 newly laminated on a support 28 that is sucked by air through a large number of holes 26 and fixed at a predetermined position on the substrate 25 is the last. The surface of the release layer 5 of the laminate unit 20 laminated on the surface of the adhesive layer 10 of the uppermost laminate unit 20 of the laminate block 40 laminated on the outer layer 33 fixed on the base 30. Positioned to contact.

  Next, the suction of the support body 28 by air is stopped, and the substrate 25 is removed from the support body 28 supporting the stacked body block 40.

  When the substrate 25 is removed from the support 28, the support 28 is pressurized by a press or the like.

  As a result, the newly laminated laminate block 40 is bonded and laminated to the laminate block 40 laminated on the outer layer 33 fixed on the base 30 via the adhesive layer 10.

  FIG. 20 is a schematic partial cross-sectional view showing the fourth step of the lamination process in which the laminated body block 40 laminated on the support 28 fixed to the substrate 25 is laminated on the outer layer of the laminated ceramic capacitor. .

  When the newly laminated laminate block 40 is adhered and laminated to the laminate block 40 laminated on the outer layer 33 fixed on the base 30 via the adhesive layer 10, FIG. As shown in FIG. 2, the support 28 is peeled off from the adhesive layer 10 of the newly laminated laminate block 40.

  Thus, the newly laminated laminate block 40 is bonded and laminated on the laminate block 40 laminated on the outer layer 33 fixed on the base 30 via the adhesive layer 10.

  Similarly, the laminated body blocks 40 laminated on the support body 28 fixed to the substrate 25 are laminated one after another to obtain a predetermined number of laminated body blocks 40 and therefore a predetermined number of laminated body units 20. Is laminated on the outer layer 33 of the multilayer ceramic capacitor.

  Thus, when a predetermined number of multilayer units 20 are stacked on the outer layer 33 of the multilayer ceramic capacitor, the other outer layer (not shown) is bonded via the adhesive layer, and a predetermined number of stacked units are laminated. A laminate including the body unit 20 is created.

  Next, the multilayer body including the predetermined number of multilayer body units 20 is cut into a predetermined size, and a large number of ceramic green chips are manufactured.

  The ceramic green chip thus produced is placed in a reducing gas atmosphere, the binder is removed, and the ceramic green chip is further fired.

  Next, necessary external electrodes and the like are attached to the fired ceramic green chip to produce a multilayer ceramic capacitor.

  According to this embodiment, the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 are bonded via the adhesive layer 10, and the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 are conventionally attached. The ceramic green sheet 2 is not bonded to the electrode layer 6 and the spacer layer 7 by utilizing the adhesive strength of the binder contained in the electrode and the deformation of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7. Thus, for example, the ceramic green sheet 2 can be bonded to the electrode layer 6 and the spacer layer 7 at a low pressure of about 0.2 MPa to about 15 MPa.

  Therefore, since it becomes possible to prevent the deformation of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7, the laminate of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 thus obtained is laminated, It becomes possible to improve the lamination accuracy when producing the multilayer ceramic capacitor.

  Further, according to this embodiment, the electrode layer 6 formed on the second support sheet 4 is dried and then adhered to the surface of the ceramic green sheet 2 via the adhesive layer 10. Then, the electrode paste dissolves or swells the binder contained in the ceramic green sheet 2 as in the case of forming the electrode layer 6 by printing the electrode paste on the surface of the ceramic green sheet 2. The electrode layer 6 can be formed on the surface of the ceramic green sheet 2 as desired without causing the electrode paste to penetrate into the ceramic green sheet 2.

  Further, when the third support sheet 9 is peeled from the adhesive layer 10, static electricity is generated and dust adheres, or the adhesive layer 10 is attracted to the third support sheet 9, and the first support sheet 9 is Although it may be difficult to peel the third support sheet 9 from the adhesive layer 10, according to this embodiment, the adhesive layer 10 is 0.01 wt% to 15 wt% with respect to the binder. Since it contains an imidazoline surfactant, it is possible to effectively prevent the generation of static electricity.

  Furthermore, according to the present embodiment, since the spacer layer 7 having a density lower than that of the electrode layer 6 and the electrode layer 6 and having a high compressibility is formed so as to satisfy ts / te = 1.1, the ceramic green When the sheet 2 is transferred onto the electrode layer 6 and the spacer layer 7 via the adhesive layer 10, the spacer layer 7 is compressed by the pair of pressure rollers 17 and 18, so that not only the spacer layer 7, The electrode layer 6 is also securely adhered to the surface of the ceramic green sheet 2 via the adhesive layer 10, and therefore, when the second support sheet 4 is peeled off, the electrode layer 6 is combined with the second support sheet 4. It is possible to effectively prevent the ceramic green sheet 2 from being peeled off.

  Moreover, according to this embodiment, since the adhesive layer 10 is transferred to the surfaces of the electrode layer 6 and the spacer layer 7, the intermediate sheet 19 is attached to the surface of the adhesive layer 10. Even if the second support sheet 4 having the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the intermediate sheet 19 laminated on the surface is wound up by the second winding roller 18, the adhesive layer 10 does not adhere to the surface of the second support sheet 4. Therefore, the ceramic green sheet 2, the electrode layer 6, and the spacer layer 7 are bonded to each other through the adhesive layer 10, and the multilayer unit. Since the transfer device for manufacturing the electrode layer 6 and the spacer layer 7 formed on the surface of the second support sheet 4 can be arranged in parallel with the transfer device for transferring the adhesive layer 10. Manufacturing Down it becomes possible to prevent the unnecessarily longer.

  Further, as shown in FIGS. 5, 7 and 9, the adhesive layer 10 formed on the third support sheet 9 is replaced with the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4. The transfer device for transferring the surface of the ceramic green sheet 2 formed on the first support sheet 1 to the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 via the adhesive layer 10. Since the transfer device for transferring the adhesive layer 10 and the transfer device for transferring the adhesive layer 10 of the adhesive layer sheet 11 to the surface of the ceramic green sheet 2 of the laminate unit 20 have the same configuration, the third support Transferring the adhesive layer 10 formed on the sheet 9 to the surfaces of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4; ceramic green formed on the first support sheet 1; Sheet Is transferred to the surface of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 via the adhesive layer 10 and the surface of the ceramic green sheet 2 of the laminate unit 20 is transferred to the adhesive layer sheet. The step of transferring the eleven adhesive layers 10 can be carried out using a single transfer device, thus making it possible to greatly reduce the space of the production equipment.

  Moreover, according to this embodiment, since the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10 is used as the intermediate sheet 19, air is used as the adhesive layer. 10 and the intermediate sheet 19 is discharged from the space, and air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus the intermediate sheet 19 attached to the adhesive layer 10 is wrinkled, When winding the long second support sheet 4 in which the peeling layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the intermediate sheet 19 are laminated on the surface by the second winding roller 18. In addition, the second support sheet 4 can be effectively prevented from meandering.

  Furthermore, according to the present embodiment, the intermediate sheet 19 is used as the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10. The adhesive layer 10 can be peeled off as desired and taken up by the peeling roller 14.

  FIG. 21 is a schematic cross-sectional view of a transfer device used in a method for manufacturing a multilayer ceramic capacitor according to another preferred embodiment of the present invention.

  In the transfer device according to this embodiment, the adhesive layer 10 formed on the third support sheet 9 is adhered to the surface of the ceramic green sheet 2 formed on the first support sheet 1. The third support sheet 9 is peeled off, and an intermediate sheet is attached to the surface of the adhesive layer 10.

  As shown in FIG. 21, the transfer device according to the present embodiment includes a first feeding roller 12, a second feeding roller 13, a peeling roller 14, a pair of pressure rollers 15, 16, and a first feeding roller 12. 5, a second take-up roller 18, and an intermediate sheet feeding roller 19 a that feeds the intermediate sheet 19. The transfer device shown in FIG. 5, the transfer device shown in FIG. 7, and FIG. 9. The transfer apparatus has the same configuration as that shown in FIG.

  In transferring the adhesive layer 10 formed on the third support sheet 9 to the surface of the ceramic green sheet 2 formed on the first support sheet 1, the adhesive sheet 11 is used as the first feeding roller 12. A roller around which the first support sheet 1 on which the ceramic green sheet 2 is formed is wound as a second feeding roller 13.

  Further, an intermediate sheet feeding roller 19a around which the intermediate sheet 19 is wound is set in the transfer device.

  The intermediate sheet 19 is attached to the surface of the adhesive layer 10 transferred to the surface of the ceramic green sheet 2, and the first support sheet 1 having the adhesive layer 10 transferred to the surface of the ceramic green sheet 2 is wound on the second winding. This prevents the adhesive layer 11 from adhering to the surface of the first support sheet 1 when it is taken up by the take-up roller 18.

  As the intermediate sheet 19, for example, a polyethylene terephthalate film can be used. In the present embodiment, as the intermediate sheet 19, irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10. The intermediate sheet 19 is used.

  As described above, when the intermediate sheet 19 having a height of 1 μm to 10 μm formed on the surface to be attached to the adhesive layer 10 is used as the intermediate sheet 19 to be attached to the surface of the adhesive layer 10, air is bonded. The air is not exhausted from the space between the layer 10 and the intermediate sheet 19 and the air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus wrinkles occur in the intermediate sheet 19 attached to the adhesive layer 10. When the long first support sheet 1 in which the ceramic green sheet 2, the adhesive layer 10 and the intermediate sheet 19 are laminated is wound on the surface, it is effective that the first support sheet 1 meanders. Can be prevented.

  Preferably, the intermediate sheet 19 has unevenness with a height of 1 μm to 5 μm formed on the surface to be attached to the adhesive layer 10.

Further, 800 or more height irregularities of 1 μm to 10 μm are formed per 1 mm ^{2 of the} surface to be attached to the adhesive layer 10 of the intermediate sheet 19.

More preferably, 800 or more height irregularities of 1 μm to 5 μm are formed per 1 mm ^{2 of the} surface to be attached to the adhesive layer 10 of the intermediate sheet 19.

  Preferably, the intermediate sheet 19 is formed of the same material as the third support sheet 9, and the surface to be attached to the adhesive layer 10 of the intermediate sheet 19 is coated with silicon resin, alkyd resin, etc. The same surface treatment as that of the support sheet 9 is performed.

  Next, the adhesive sheet 11 is fed from the first feeding roller 12 and supplied between the pair of pressure rollers 15 and 16, and in synchronization with the feeding of the adhesive sheet 11 from the first feeding roller 12, The first support sheet 1 having the ceramic green sheet 2 formed on the surface thereof is fed from the second feed roller 13 and supplied between the pair of pressure rollers 15 and 16.

  When the adhesive layer 10 is transferred to the surface of the ceramic green sheet 2, the peeling roller 14 is not driven.

  FIG. 22 is a schematic enlarged sectional view of the vicinity of the pair of pressure rollers 15 and 16.

  The pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure of the pair of pressure rollers 15 and 16 is preferably about 0.2 to about 15 MPa, more preferably , About 0.2 MPa to about 6 MPa.

  The supply speed of the first support sheet 1 and the third support sheet 9 is set to 2 m / sec, for example.

  As shown in FIG. 22, the third support sheet 9 on which the adhesive layer 10 is formed has the third support sheet 9 moved upward by the upper pressure roller 15 by the tensile force applied to the third support sheet 9. The first support sheet 1 which is supplied between the pair of pressure rollers 15 and 16 and is formed with the ceramic green sheet 2 so as to be wound around the upper side is the lower side of the first support sheet 1. A pair of pressure rollers 15 in a substantially horizontal direction so that the surface of the ceramic green sheet 2 is in contact with the surface of the adhesive layer 10 formed on the third support sheet 9. , 16 is supplied.

  As a result, the adhesive layer 10 formed on the third support sheet 9 is bonded to the surface of the ceramic green sheet 2 formed on the first support sheet 1.

  As shown in FIG. 22, the third support sheet 9 on which the adhesive layer 10 is formed is conveyed obliquely upward from between the pair of pressure rollers 15 and 16. The sheet 9 is peeled from the adhesive layer 10 adhered to the surface of the ceramic green sheet 2.

  When the third support sheet 9 is peeled off from the adhesive layer 10, static electricity is generated and dust adheres, or the adhesive layer is attracted to the third support sheet, and the third support sheet is formed as desired. In this embodiment, the adhesive layer 10 contains 0.01% by weight to 15% by weight of an imidazoline-based surfactant with respect to the binder. Therefore, it is possible to effectively prevent the generation of static electricity.

  Thus, when the adhesive layer 10 is adhered to the surface of the ceramic green sheet 2 formed on the first support sheet 1 and the third support sheet 9 is peeled off from the adhesive layer 10, FIG. 22 shows. As described above, the intermediate sheet 19 that has been fed out from the intermediate sheet feeding roller 19 a is attached to the surface of the adhesive layer 10, and the first support sheet 1 is wound up by the second winding roller 18.

  In this embodiment, since the intermediate sheet 19 is used as the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10, air is intermediate between the adhesive layer 10 and the intermediate sheet 19. The air is not discharged between the spaces between the sheets 19 and the air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus the intermediate sheet 19 attached to the adhesive layer 10 is wrinkled or the second When the elongate first support sheet 1 in which the ceramic green sheet 2, the adhesive layer 10 and the intermediate sheet 19 are laminated on the surface thereof by the take-up roller 18, the first support sheet 1 meanders. This can be effectively prevented.

  Thus, in this embodiment, after the intermediate sheet 19 is attached to the surface of the adhesive layer 10, the first support in which the ceramic green sheet 2, the adhesive layer 10, and the intermediate sheet 19 are laminated on the surface is provided. Since the sheet 1 is configured to be wound around the second winding roller 18, the adhesive layer 10 does not adhere to the first support sheet 1.

  Next, the surface of the ceramic green sheet 2 formed on the first support sheet 1 with the release layer 5, the electrode layer 6 and the spacer layer 7 formed on the second support sheet 1 through the adhesive layer 10. Is transcribed.

  FIG. 23 shows the ceramic green sheet 2 formed on the first support sheet 1 with the release layer 5, the electrode layer 6 and the spacer layer 7 formed on the second support sheet 1 through the adhesive layer 10. It is a schematic sectional drawing of the transfer apparatus which transfers to the surface of this.

  As shown in FIG. 23, the release layer 5, the electrode layer 6, and the spacer layer 7 formed on the second support sheet 1 were formed on the first support sheet 1 via the adhesive layer 10. The transfer device for transferring to the surface of the ceramic green sheet 2 includes a first feeding roller 12, a second feeding roller 13, a peeling roller 14, a pair of pressure rollers 15 and 16, and a first winding roller. 17, a second take-up roller 18, and an intermediate sheet feeding roller 19 a that feeds the intermediate sheet 19. The transfer device shown in FIG. 5, the transfer device shown in FIG. 7, and shown in FIG. 9. The transfer device and the transfer device shown in FIG. 21 have the same configuration.

  The peeling layer 5, the electrode layer 6 and the spacer layer 7 formed on the second support sheet 1 are transferred to the surface of the ceramic green sheet 2 formed on the first support sheet 1 through the adhesive layer 10. First, as the first feeding roller 12, a roller around which a second support sheet 4 having a release layer 5, an electrode layer 6 and a spacer layer 7 formed thereon is wound on the transfer device. As the second feeding roller 13, a second take-up roller 18 on which the first support sheet 1 on which the ceramic green sheet 2, the adhesive layer 10 and the intermediate sheet 19 are laminated is wound on the surface. Set in the device.

  Next, the first support sheet 1 in which the ceramic green sheet 2, the adhesive layer 10, and the intermediate sheet 19 are laminated on the surface is fed out from the second feed roller 13, and the intermediate sheet 19 adhered to the surface of the adhesive layer 10. Is peeled off and wound up by the peeling roller 14.

  In the present embodiment, the intermediate sheet 19 is formed by using the intermediate sheet 19 having unevenness with a height of 1 μm to 10 μm formed on the surface to be attached to the adhesive layer 10. Then, it can be peeled off and wound up by the peeling roller 14 as desired.

  The first support sheet 1 from which the intermediate sheet 19 has been peeled from the adhesive layer 10 is supplied between the pair of pressure rollers 15 and 16 so that the first support sheet 1 contacts the pressure roller 16 below. On the other hand, in synchronism with the feeding of the first support sheet 1 from the second feeding roller 13, the peeling layer 5, the electrode layer 6 and the spacer layer 7 are formed on the surface from the first feeding roller 12. The second support sheet 4 is fed out and supplied between the pair of pressure rollers 15 and 16 so that the second support sheet 4 contacts the upper pressure roller 15.

  FIG. 24 is a schematic enlarged sectional view in the vicinity of the pair of pressure rollers 15 and 16.

  23 and FIG. 24, the pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure between the pair of pressure rollers 15 and 16 is Preferably, it is set to about 0.2 to about 15 MPa, more preferably about 0.2 MPa to about 6 MPa.

  The supply speed of the first support sheet 1 and the second support sheet 4 is set to 2 m / second, for example.

  As shown in FIG. 24, the second support sheet 4 on which the release layer 5, the electrode layer 6, and the spacer layer 7 are formed has the second support sheet 4 due to the tensile force applied to the second support sheet 4. The first support sheet 1 on which the ceramic green sheet 2 is formed is supplied between the pair of pressure rollers 15 and 16 obliquely from above so as to be wound around the upper pressure roller 15. One support sheet 1 is in contact with the lower pressure roller 16 so that the surface of the ceramic green sheet 2 is in contact with the surfaces of the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4. Supplied between the pair of pressure rollers 15 and 16 in a substantially horizontal direction.

  As a result, the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 are bonded to the surface of the ceramic green sheet 2 formed on the first support sheet 1 via the adhesive layer 10. On the other hand, as shown in FIG. 24, the second support sheet 4 on which the release layer 5, the electrode layer 6 and the spacer layer 7 are formed is diagonally upward from between the pair of pressure rollers 17 and 18. Therefore, the second support sheet 4 is peeled off from the electrode layer 6 and the spacer layer 7 adhered to the surface of the ceramic green sheet 2.

  The second support sheet 4 peeled from the electrode layer 6 and the spacer layer 7 is taken up by the first take-up roller 17, while the electrode layer 6 and the spacer layer 7 are adhered to the surface of the ceramic green sheet 2. The first support sheet 1 is wound up by the second winding roller 18.

  In the present embodiment, after the adhesive layer 10 is transferred to the surface of the ceramic green sheet 2, the intermediate sheet 52 is attached to the surface of the adhesive layer 10. 2. Even if the first support sheet 1 laminated with the adhesive layer 10 and the intermediate sheet 52 is wound up by the roller 54, the adhesive layer 10 does not adhere to the surface of the first support sheet 1, Therefore, a transfer device for forming a laminate unit by bonding the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 via the adhesive layer 10 is formed on the surface of the first support sheet 1. Since it can be arranged in parallel with the transfer device for transferring the adhesive layer 10 on the surface of the ceramic green sheet 2, the production line becomes longer. It is possible to stop.

  In the present embodiment, the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 are bonded via the adhesive layer 10, and the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 are bonded to each other as in the related art. The ceramic green sheet 2 is not bonded to the electrode layer 6 and the spacer layer 7 by utilizing the adhesive strength of the binder contained and the deformation of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7. For example, the ceramic green sheet 2 can be bonded to the electrode layer 6 and the spacer layer 7 at a low pressure of about 0.2 MPa to about 15 MPa.

  Therefore, since it becomes possible to prevent the deformation of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7, the laminate of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 thus obtained is laminated, It becomes possible to improve the lamination accuracy when producing the multilayer ceramic capacitor.

  In the present embodiment, the electrode layer 6 and the spacer layer 7 having a lower density and a higher compressibility than the electrode layer 6 are formed so that ts / te = 1.1. When the spacer layer 7 is transferred onto the ceramic green sheet 2 via the adhesive layer 10, the spacer layer 7 is compressed by pressure, and the electrode layer 6 and the spacer layer 7 are connected via the adhesive layer 10. Therefore, when the second support sheet 4 is peeled off, the electrode layer 6 is reliably prevented from being peeled off together with the second support sheet 4. It becomes possible.

  In the present embodiment, the electrode layer 6 and the spacer layer 7 having a lower density and a higher compressibility than the electrode layer 6 are formed so that ts / te = 1.1. When the spacer layer 7 is transferred onto the ceramic green sheet 2 via the adhesive layer 10, the spacer layer 7 is compressed by pressure, and the electrode layer 6 and the spacer layer 7 are connected via the adhesive layer 10. Therefore, when the second support sheet 4 is peeled off, the electrode layer 6 is reliably prevented from being peeled off together with the second support sheet 4. It becomes possible.

  Furthermore, in this embodiment, the electrode layer 6 formed on the second support sheet 4 is dried and then adhered to the surface of the ceramic green sheet 2 via the adhesive layer 10. Then, the electrode paste dissolves or swells the binder contained in the ceramic green sheet 2 as in the case of forming the electrode layer 6 by printing the electrode paste on the surface of the ceramic green sheet 2. The electrode layer 6 can be formed on the surface of the ceramic green sheet 2 as desired without causing the electrode paste to penetrate into the ceramic green sheet 2.

  As described above, the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 are formed on the surface of the ceramic green sheet 2 formed on the first support sheet 1 via the adhesive layer 10. After the second support sheet 4 is peeled from the electrode layer 6 and the spacer layer 7, the ceramic green sheet 2, the adhesive layer 10, the electrode layer 6, the spacer layer 7 and the peel layer 5 are formed on the surface. The laminated first support sheet 1 is taken up by the second take-up roller 18.

  Thus, a laminate unit 20 in which the ceramic green sheet 2, the adhesive layer 10, the electrode layer 6, the spacer layer 7, and the release layer 5 are laminated on the surface of the first support sheet 1 is formed.

  Subsequently, it was formed on the first support sheet 1 in exactly the same manner as when the adhesive layer 10 of the adhesive layer sheet 11 was transferred to the surface of the ceramic green sheet 2 formed on the first support sheet 1. The adhesive layer 10 of the adhesive sheet 11 is transferred to the surfaces of the electrode layer 6 and the spacer layer 7 of the multilayer unit 20.

  FIG. 25 is a schematic cross-sectional view of a transfer device that transfers the adhesive layer 10 of the adhesive sheet 11 to the surface of the release layer 5 of the laminate unit 20.

  As shown in FIG. 25, the transfer device that transfers the adhesive layer 10 of the adhesive sheet 11 to the surface of the release layer 5 of the laminate unit 20 includes a first feeding roller 12, a second feeding roller 13, 5 includes a peeling roller 14, a pair of pressure rollers 15, 16, a first winding roller 17, a second winding roller 18, and an intermediate sheet feeding roller 19a for feeding the intermediate sheet 19. The transfer device shown in FIG. 7, the transfer device shown in FIG. 7, the transfer device shown in FIG. 9, the transfer device shown in FIG. 21, and the transfer device shown in FIG. .

  In transferring the adhesive layer 10 of the adhesive sheet 11 to the surface of the electrode layer 6 and the spacer layer 7 of the multilayer unit 20, first, a roller around which the adhesive sheet 11 is wound is transferred as the first feeding roller 12. The second take-up roller 18 around which the first support sheet 1 on which the laminated body unit 20 is formed is set on the surface as the second feeding roller 13 set in the apparatus.

  Next, the adhesive sheet 11 is fed from the first feeding roller 12 and supplied between the pair of pressure rollers 15 and 16.

  In synchronism with the feeding of the adhesive sheet 11 from the first feeding roller 12, the first supporting sheet 1 having the laminate unit 20 formed on the surface thereof is fed out from the second feeding roller 13, and a pair of additional sheets are added. Supplied between the pressure rollers 15 and 16.

  FIG. 26 is a schematic enlarged sectional view of the vicinity of the pair of pressure rollers 15 and 16.

  The pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure of the pair of pressure rollers 15 and 16 is preferably about 0.2 to about 15 MPa, more preferably , About 0.2 MPa to about 6 MPa.

  The supply speed of the first support sheet 1 and the third support sheet 9 is set to 2 m / sec, for example.

  As shown in FIG. 26, the third support sheet 9 on which the adhesive layer 10 is formed has the third support sheet 9 moved upward by the upper pressure roller 15 by the tensile force applied to the third support sheet 9. The first support sheet 1 that is supplied between the pair of pressure rollers 15 and 16 so that the laminate unit 20 is formed on the surface thereof is provided as a first support sheet. 1 is in contact with the lower pressure roller 16, and the electrode layer 6 and the spacer layer 7 of the laminate unit 20 are in contact with the surface of the adhesive layer 10 formed on the third support sheet 9. It is supplied between the pair of pressure rollers 15 and 16 in the horizontal direction.

  As a result, the adhesive layer 10 formed on the third support sheet 9 is adhered to the surfaces of the electrode layer 6 and the spacer layer 7 of the multilayer unit 20.

  On the other hand, as shown in FIG. 26, the third support sheet 9 on which the adhesive layer 10 is formed is conveyed obliquely upward from between the pair of pressure rollers 15 and 16. The support sheet 9 is peeled off from the adhesive layer 10 adhered to the surfaces of the electrode layer 6 and the spacer layer 7 and wound up by the first winding roller 17.

  After the adhesive layer 10 formed on the third support sheet 9 is adhered to the surfaces of the electrode layer 6 and the spacer layer 7 of the laminate unit 20, and after the third support sheet 9 is peeled from the adhesive layer 10, The intermediate sheet 19 is fed out from the intermediate sheet feeding roller 19 a and attached to the surface of the adhesive layer 10, and then the first support sheet 1 is wound up by the second winding roller 18.

  The laminate unit 20 obtained as described above is cut into a predetermined size by a cutting device (not shown), and the ceramic green sheet 2 and the adhesive layer 10 are formed on the surface of the first support sheet 4. A laminate unit 20 having a predetermined size in which the electrode layer 6, the spacer layer 7, and the release layer 5 are laminated is produced.

  FIG. 27 is a schematic cross-sectional view of the laminate unit 20 thus cut into a predetermined size by the cutting device.

  As shown in FIG. 27, the laminate unit 20 is formed on the surface of the first support sheet 1 and includes a ceramic green sheet 2, an adhesive layer 10, an electrode layer 6, a spacer layer 7, and a release layer 5. An adhesive layer 10 is transferred onto the release layer 5.

  Similarly, the ceramic green sheet 2, the adhesive layer 10, the electrode layer 6, the spacer layer 7 and the release layer 5 are laminated on the surface of the first support sheet 1, and the adhesive layer 10 is applied to the surface of the release layer 5. Each of the laminate units 20 including the ceramic green sheet 2, the adhesive layer 10, the electrode layer 6, the spacer layer 7, and the release layer 5 is transferred onto the release layer 5. Produced.

  A multilayer ceramic capacitor is manufactured by stacking a large number of multilayer units 20 thus manufactured via the adhesive layer 10 transferred to the surface of the release layer 5.

  FIG. 28 is a schematic partial cross-sectional view showing the first step of the stacking process of the stacked body unit 20.

  As shown in FIG. 28, when stacking the stacked unit 20, first, the support 28 is set on the substrate 25 in which many holes 26 are formed.

  As the support 28, for example, a polyethylene terephthalate film or the like is used.

  The support 28 is sucked by air through a large number of holes 26 formed in the substrate 25 and fixed to a predetermined position on the substrate 25.

  FIG. 29 is a schematic partial cross-sectional view illustrating a second step of the stacking process of the stacked body unit 20.

  Next, as shown in FIG. 29, the laminate unit 20 is positioned so that the surface of the adhesive layer 10 transferred to the surface of the release layer 5 contacts the surface of the support 28, and the laminate unit 20 The first support sheet 1 is pressed by a press or the like.

  As a result, the laminate unit 20 is adhered and laminated on the support 28 fixed on the substrate 25 via the adhesive layer 10 transferred to the surface of the release layer 5.

  FIG. 30 is a schematic partial cross-sectional view illustrating a third step of the stacking process of the stacked body unit 20.

  When the laminate unit 20 is adhered and laminated on the support 28 fixed on the substrate 25 via the adhesive layer 10 transferred to the surface of the release layer 5, as shown in FIG. The first support sheet 1 is peeled from the ceramic green sheet 2 of the laminate unit 20.

  In this way, on the release layer 5 of the laminate unit 20 laminated on the support 28 fixed on the substrate 25 via the adhesive layer 10 transferred to the surface of the release layer 5, the laminate unit is further provided. 20 are stacked.

  FIG. 31 is a schematic partial cross-sectional view showing a fourth step of the stacking process of the stacked body unit 20.

  Next, as shown in FIG. 31, the surface of the ceramic green sheet 2 of the multilayer unit 20 in which the surface of the adhesive layer 10 transferred to the surface of the release layer 5 is bonded to the support 28 fixed to the substrate 25. The new laminate unit 20 is positioned so as to come into contact with the first support sheet 1, and the first support sheet 1 of the new laminate unit 20 is pressed by a press or the like.

  As a result, a new laminate unit 20 is bonded onto the support 28 fixed on the substrate 25 via the adhesive layer 10 transferred to the surface of the release layer 5. Laminated.

  FIG. 32 is a schematic partial cross-sectional view showing a fifth step of the stacking process of stacked body unit 20.

  When a new laminate unit 20 is laminated on the laminate unit 20 bonded on the support 28 fixed on the substrate 25 through the adhesive layer 10, as shown in FIG. The first support sheet 1 of the laminate unit 20 newly laminated is peeled from the ceramic green sheet 2 of the laminate unit 20.

  Similarly, the laminated body units 20 are laminated one after another, and a predetermined number of laminated body units 20 are laminated on the support 28 fixed to the substrate 25 to produce the laminated body block 40.

  When a predetermined number of laminate units 20 are laminated on the support 28 fixed to the substrate 25 to produce a laminate block, a predetermined number of laminate units 20 are formed on the support 28 fixed to the substrate 25. A laminated body block 40 in which a number of laminated body units 20 are laminated is laminated on the outer layer of the laminated ceramic capacitor in exactly the same manner as in FIGS.

  Thus, when a predetermined number of multilayer units 20 are stacked on the outer layer 33 of the multilayer ceramic capacitor, the other outer layer (not shown) is bonded via the adhesive layer, and a predetermined number of stacked units are laminated. A laminate including the body unit 20 is created.

  Next, the multilayer body including the predetermined number of multilayer body units 20 is cut into a predetermined size, and a large number of ceramic green chips are manufactured.

  The ceramic green chip thus produced is placed in a reducing gas atmosphere, the binder is removed, and the ceramic green chip is further fired.

  Next, necessary external electrodes and the like are attached to the fired ceramic green chip to produce a multilayer ceramic capacitor.

  According to this embodiment, the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 are bonded via the adhesive layer 10, and the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 are conventionally attached. The ceramic green sheet 2 is not bonded to the electrode layer 6 and the spacer layer 7 by utilizing the adhesive strength of the binder contained in the electrode and the deformation of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7. Thus, for example, the ceramic green sheet 2 can be bonded to the electrode layer 6 and the spacer layer 7 at a low pressure of about 0.2 MPa to about 15 MPa.

  Therefore, since it becomes possible to prevent the deformation of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7, the laminate of the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 thus obtained is laminated, It becomes possible to improve the lamination accuracy when producing the multilayer ceramic capacitor.

  Further, according to this embodiment, the electrode layer 6 formed on the second support sheet 4 is dried and then adhered to the surface of the ceramic green sheet 2 via the adhesive layer 10. Then, the electrode paste dissolves or swells the binder contained in the ceramic green sheet 2 as in the case of forming the electrode layer 6 by printing the electrode paste on the surface of the ceramic green sheet 2. The electrode layer 6 can be formed on the surface of the ceramic green sheet 2 as desired without causing the electrode paste to penetrate into the ceramic green sheet 2.

  Further, when the third support sheet 9 is peeled from the adhesive layer 10, static electricity is generated and dust adheres, or the adhesive layer 10 is attracted to the third support sheet 9, and the first support sheet 9 is Although it may be difficult to peel the third support sheet 9 from the adhesive layer 10, according to this embodiment, the adhesive layer 10 is 0.01 wt% to 15 wt% with respect to the binder. Since it contains an imidazoline surfactant, it is possible to effectively prevent the generation of static electricity.

  Furthermore, according to this embodiment, the electrode layer 6 and the spacer layer 7 having a lower density and a higher compressibility than the electrode layer 6 are formed so as to satisfy ts / te = 1.1. 6 and the spacer layer 7 are transferred onto the ceramic green sheet 2 via the adhesive layer 10, the spacer layer 7 is compressed by the pair of pressure rollers 17 and 18, and not only the spacer layer 7, The electrode layer 6 is also securely adhered to the surface of the ceramic green sheet 2 via the adhesive layer 10, and therefore, when the second support sheet 4 is peeled off, the electrode layer 6 is combined with the second support sheet 4. It is possible to effectively prevent the ceramic green sheet 2 from being peeled off.

  Moreover, according to this embodiment, since the adhesive layer 10 is transferred to the surface of the ceramic green sheet 2, the intermediate sheet 52 is attached to the surface of the adhesive layer 10. Even if the first support sheet 1 in which the ceramic green sheet 2, the adhesive layer 10 and the intermediate sheet 52 are laminated is wound up by the second winding roller 18, the adhesive layer 10 remains on the surface of the first support sheet 1. The ceramic green sheet 2, the electrode layer 6, and the spacer layer 7 are bonded to each other through the adhesive layer 10 so that the transfer unit for producing a laminate unit is used as the first support sheet. Since it can be arranged in parallel with the transfer device for transferring the adhesive layer 10 on the surface of the ceramic green sheet 2 formed on the surface of 1, the production line It becomes possible to prevent the Kunar.

  Further, as shown in FIGS. 21, 23, and 25, the adhesive layer 10 formed on the third support sheet 9 is applied to the surface of the ceramic green sheet 2 formed on the first support sheet 1. Ceramic green sheet formed on the first support sheet 1 through the adhesive layer 10 with the transfer device for transferring, the release layer 5 formed on the second support sheet 4, the electrode layer 6 and the spacer layer 7. Since the transfer device for transferring to the surface of 2 and the transfer device for transferring the adhesive layer 10 of the adhesive layer sheet 11 to the surface of the release layer 5 of the laminate unit 20 have the same configuration, the third support The step of transferring the adhesive layer 10 formed on the sheet 9 to the surface of the ceramic green sheet 2 formed on the first support sheet 1, the release layer 5 formed on the second support sheet 4, the electrode Layer 6 and su The step of transferring the sensor layer 7 to the surface of the ceramic green sheet 2 formed on the first support sheet 1 through the adhesive layer 10 and the surface of the release layer 5 of the laminate unit 20 on the surface of the adhesive layer sheet The step of transferring the eleven adhesive layers 10 can be carried out using a single transfer device, thus making it possible to greatly reduce the space of the production equipment.

  Moreover, according to this embodiment, since the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10 is used as the intermediate sheet 19, air is used as the adhesive layer. 10 and the intermediate sheet 19 is discharged from the space, and air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus the intermediate sheet 19 attached to the adhesive layer 10 is wrinkled, When the elongate first support sheet 1 in which the ceramic green sheet 2, the adhesive layer 10 and the intermediate sheet 19 are laminated on the surface thereof is taken up by the second take-up roller 18, the first support sheet It is possible to effectively prevent 1 from meandering.

  Furthermore, according to the present embodiment, the intermediate sheet 19 is used as the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10. The adhesive layer 10 can be peeled off as desired and taken up by the peeling roller 14.

  FIG. 33 is a schematic cross-sectional view of a transfer device used in a method for manufacturing a multilayer ceramic capacitor according to another preferred embodiment of the present invention.

  The transfer apparatus according to this embodiment is manufactured by the transfer apparatus shown in FIG. 7, and the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10, and the ceramic green sheet are formed on the surface of the second support sheet 4. The adhesive layer 10 of the adhesive sheet 11 is transferred to the surface of the ceramic green sheet 2 of the laminate unit 20 in which the two are laminated, and the intermediate layer is transferred to the adhesive layer 10 transferred to the surface of the ceramic green sheet 2 of the laminate unit 20. The sheet is attached and wound up.

  As shown in FIG. 33, the transfer apparatus according to this embodiment includes a first feeding roller 12, a second feeding roller 13, a peeling roller 14, a pair of pressure rollers 15, 16, and a first feeding roller 12. Winding roller 17, second winding roller 18, and intermediate sheet feeding roller 19 a for feeding the intermediate sheet 19. The transfer device shown in FIG. 5, the transfer device shown in FIG. 7, and FIG. 9. The transfer apparatus shown in FIG. 21, the transfer apparatus shown in FIG. 21, the transfer apparatus shown in FIG. 23, and the transfer apparatus shown in FIG.

  On the surface of the ceramic green sheet 2 of the laminate unit 20 in which the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the ceramic green sheet 2 are laminated on the surface of the second support sheet 4, the adhesive sheet 11. In transferring the adhesive layer 10, first, as the first feeding roller 12, a roller around which the adhesive sheet 11 is wound is set in the transfer device, and as the second feeding roller 13, the laminate unit is formed on the surface. A roller around which the second support sheet 4 formed with 20 is wound is set.

  Further, an intermediate sheet feeding roller 19a around which the intermediate sheet 19 is wound is set in the transfer device.

  The intermediate sheet 19 is attached to the surface of the adhesive layer 10 transferred to the surface of the ceramic green sheet 2 of the laminate unit 20, and includes the laminate unit 20 having the adhesive layer 10 transferred to the surface of the ceramic green sheet 2. The adhesive layer 11 is prevented from adhering to the surface of the second support sheet 4 when the second support sheet 4 is taken up by the second take-up roller 18.

  As the intermediate sheet 19, for example, a polyethylene terephthalate film can be used. In the present embodiment, as the intermediate sheet 19, irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10. The intermediate sheet 19 is used.

  As described above, when the intermediate sheet 19 having a height of 1 μm to 10 μm formed on the surface to be attached to the adhesive layer 10 is used as the intermediate sheet 19 to be attached to the surface of the adhesive layer 10, air is bonded. The air is not exhausted from the space between the layer 10 and the intermediate sheet 19 and the air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus wrinkles occur in the intermediate sheet 19 attached to the adhesive layer 10. It is effective that the second support sheet 4 meanders when the long second support sheet 4 in which the laminate unit 20, the adhesive layer 10 and the intermediate sheet 19 are laminated is wound on the surface. Can be prevented.

  Preferably, the intermediate sheet 19 has unevenness with a height of 1 μm to 5 μm formed on the surface to be attached to the adhesive layer 10.

Further, 800 or more height irregularities of 1 μm to 10 μm are formed per 1 mm ^{2 of the} surface to be attached to the adhesive layer 10 of the intermediate sheet 19.

More preferably, 800 or more height irregularities of 1 μm to 5 μm are formed per 1 mm ^{2 of the} surface to be attached to the adhesive layer 10 of the intermediate sheet 19.

  Preferably, the intermediate sheet 19 is formed of the same material as the third support sheet 9, and the surface to be attached to the adhesive layer 10 of the intermediate sheet 19 is coated with silicon resin, alkyd resin, etc. The same surface treatment as that of the support sheet 9 is performed.

  Next, the adhesive sheet 11 is fed out from the first feeding roller 12 and supplied between the pair of pressure rollers 15 and 16, and in synchronization with the feeding of the adhesive sheet 11 from the first feeding roller 12, The second support sheet 4 having the laminate unit 20 formed on the surface thereof is fed from the second feed roller 13 and supplied between the pair of pressure rollers 15 and 16.

  When the adhesive layer 10 is transferred to the surface of the ceramic green sheet 2 of the laminate unit 20, the peeling roller 14 is not driven.

  FIG. 34 is a schematic enlarged sectional view of the vicinity of the pair of pressure rollers 15 and 16.

  The pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure of the pair of pressure rollers 15 and 16 is preferably about 0.2 to about 15 MPa, more preferably , About 0.2 MPa to about 6 MPa.

  The supply speed of the second support sheet 4 and the third support sheet 9 is set to 2 m / second, for example.

  As shown in FIG. 34, the third support sheet 9 on which the adhesive layer 10 is formed has the third support sheet 9 moved upward by the pressure roller 15 by the tensile force applied to the third support sheet 9. The second support sheet 4, which is supplied between the pair of pressure rollers 15, 16 so as to be wound around the upper surface and on which the laminate unit 20 is formed, is a second support sheet. 4 is in contact with the lower pressure roller 16 and the ceramic green sheet 2 of the laminate unit 20 is in contact with the surface of the adhesive layer 10 formed on the third support sheet 9 in a substantially horizontal direction. , Supplied between the pair of pressure rollers 15 and 16.

  As a result, the adhesive layer 10 formed on the third support sheet 9 is adhered to the surface of the green sheet 2 of the laminate unit 20.

  As shown in FIG. 34, the third support sheet 9 on which the adhesive layer 10 is formed is conveyed obliquely upward from between the pair of pressure rollers 15 and 16, and therefore the third support sheet 9 is supported. The sheet 9 is peeled from the adhesive layer 10 adhered to the surface of the ceramic green sheet 2.

  When the third support sheet 9 is peeled off from the adhesive layer 10, static electricity is generated and dust adheres, or the adhesive layer is attracted to the third support sheet, and the third support sheet is formed as desired. However, in this embodiment, the adhesive layer 10 contains 0.01 wt% to 15 wt% imidazoline-based surfactant with respect to the binder. Therefore, it is possible to effectively prevent the generation of static electricity.

  Thus, when the adhesive layer 10 is adhered to the surface of the ceramic green sheet 2 of the laminate unit 20 and the third support sheet 9 is peeled from the adhesive layer 10, the intermediate sheet is fed as shown in FIG. The intermediate sheet 19 is fed out from the roller 19a, and the intermediate sheet 19 is attached to the surface of the adhesive layer 10, and the second support in which the laminate unit 20, the adhesive layer 10, and the intermediate sheet 19 are laminated on the surface. The sheet 4 is taken up by the second take-up roller 18.

  In this embodiment, since the intermediate sheet 19 is used as the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10, air is intermediate between the adhesive layer 10 and the intermediate sheet 19. The air is not discharged between the spaces between the sheets 19 and the air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus the intermediate sheet 19 attached to the adhesive layer 10 is wrinkled or the second When the elongate second support sheet 4 having the laminate unit 20, the adhesive layer 10 and the intermediate sheet 19 laminated thereon is taken up by the take-up roller 18, the second support sheet 4 meanders. This can be effectively prevented.

  Thus, in the present embodiment, after the intermediate sheet 19 is attached to the surface of the adhesive layer 10, the second support in which the laminate unit 20, the adhesive layer 10, and the intermediate sheet 19 are laminated on the surface. Since the sheet 4 is configured to be wound by the second winding roller 18, the adhesive layer 10 does not adhere to the second support sheet 4 of the laminate unit 20.

  Next, the adhesive layer 10 transferred to the surface of the ceramic green sheet 2 of the laminate unit 20 is produced by the transfer device shown in FIG. 25, and the ceramic green sheet 2 and the adhesive layer 10 are formed on the first support sheet 1. Then, another laminate unit 20 on which the electrode layer 6, the spacer layer 7 and the release layer 5 are formed is bonded, and the two laminate units 20 are laminated.

  FIG. 35 shows the ceramic green sheet 2, the adhesive layer 10, the electrode layer 6, the spacer layer 7, and the adhesive layer 10 transferred to the surface of the ceramic green sheet 2 of the laminate unit 20 on the first support sheet 1. FIG. 2 is a schematic cross-sectional view of a laminating apparatus that bonds another laminate unit 20 on which a release layer 5 is formed, laminates two laminate units 20, and produces a laminate unit set including a plurality of laminate units 20. is there.

  As shown in FIG. 35, the ceramic green sheet 2, the adhesive layer 10, the electrode layer 6, the adhesive layer 10 transferred to the surface of the ceramic green sheet 2 of the laminate unit 20, on the first support sheet 1, A stacking apparatus that bonds another stack unit 20 on which the spacer layer 7 and the release layer 5 are formed, stacks two stack units 20, and manufactures a stack unit set including a plurality of stack units 20. A first feeding roller 12, a second feeding roller 13, a peeling roller 14, a pair of pressure rollers 15, 16, a first winding roller 17, a second winding roller 18, The transfer device shown in FIG. 5, the transfer device shown in FIG. 7, the transfer device shown in FIG. 9, and the transfer device shown in FIG. Shooting device, a transfer device shown in FIG. 23, a transfer device the same configuration as shown in the transfer device and 33 shown in FIG. 25.

  The ceramic green sheet 2, the adhesive layer 10, the electrode layer 6, the spacer layer 7 and the release layer 5 are formed on the first support sheet 1 on the adhesive layer 10 transferred to the surface of the ceramic green sheet 2 of the multilayer unit 20. When the other laminate unit 20 formed is bonded, two laminate units 20 are laminated, and a laminate unit set including a plurality of laminate units 20 is produced, as the first feeding roller 12, A laminate unit to be newly laminated which is produced by the transfer device shown in FIG. 25 and is formed by laminating the ceramic green sheet 2, the adhesive layer 10, the electrode layer 6, the spacer layer 7 and the release layer 5 on the surface thereof. A roller around which the first support sheet 1 having 20 is wound is set in the laminating apparatus, and is loaded on the surface as a second feeding roller 13. Body unit 20, a second roller supporting the sheet 4 is wound in the adhesive layer 10 and the intermediate sheet 19 are laminated, it is set in the stacking device.

  Next, the second support sheet 4 in which the laminate unit 20, the adhesive layer 10, and the intermediate sheet 19 are stacked on the surface thereof from the second supply roller 13 is extended and attached to the surface of the adhesive layer 10. 19 is peeled off and taken up by the peeling roller 14.

  In the present embodiment, the intermediate sheet 19 is formed by using the intermediate sheet 19 having unevenness with a height of 1 μm to 10 μm formed on the surface to be attached to the adhesive layer 10. Then, it can be peeled off and wound up by the peeling roller 14 as desired.

  The second support sheet 4 provided with the laminate unit 20 from which the intermediate sheet 19 is peeled off from the adhesive layer 10 has a pair of pressure rollers such that the second support sheet 4 contacts the lower pressure roller 16. On the other hand, in synchronization with the feeding of the second support sheet 4 from the second feeding roller 13, the laminate unit 20 to be laminated on the surface from the first feeding roller 12. The first support sheet 1 on which is formed is fed out and supplied between the pair of pressure rollers 15 and 16 so that the first support sheet 1 comes into contact with the upper pressure roller 15.

  FIG. 36 is a schematic enlarged sectional view of the vicinity of the pair of pressure rollers 15 and 16.

  In the laminating apparatus shown in FIGS. 35 and 36, the pair of pressure rollers 15 and 16 are maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure between the pair of pressure rollers 15 and 16 is Preferably, it is set to about 0.2 to about 15 MPa, more preferably about 0.2 MPa to about 6 MPa.

  The supply speed of the first support sheet 1 and the second support sheet 4 is set to 2 m / second, for example.

  As shown in FIG. 36, the first support sheet 1 on which the laminated unit to be laminated is formed has the first support sheet 1 formed by the tensile force applied to the first support sheet 1. The laminate unit 20 is provided between the pair of pressure rollers 15 and 16 from an oblique upper side so that the intermediate sheet 19 is peeled off from the adhesive layer 10 so as to be wound around the upper pressure roller 15. The second support sheet 4 is a laminate in which the second support sheet 4 is in contact with the lower pressure roller 16 and the ceramic green sheet 2 is formed on the first support sheet 1 via an adhesive layer. It is supplied between the pair of pressure rollers 15 and 16 in a substantially horizontal direction so as to contact the surface of the release layer 5 of the body unit 20.

  As a result, the laminate unit 20 formed on the first support sheet 1 is formed on the surface of the ceramic green sheet 2 of the laminate unit 20 formed on the second support sheet 4 via the adhesive layer 10. The laminate unit 20 formed on the first support sheet 1 is laminated on the laminate unit 20 formed on the second support sheet 4 with the release layer 5 adhered thereto. 36, the first support sheet 1 is conveyed obliquely upward from between the pair of pressure rollers 17 and 18, so that the first support sheet 1 is the second support sheet. It peels from the laminated body unit 20 adhere | attached on the surface of the ceramic green sheet 2 of the laminated body unit 20 formed on the sheet | seat 4. FIG.

  The first support sheet 1 peeled from the laminate unit 20 is taken up by the first take-up roller 17, and on the other hand, the laminate unit in which two laminate units 20 are laminated via the adhesive layer 10. The second support sheet 4 having the set formed on the surface thereof is taken up by the second take-up roller 18.

  In this embodiment, since the adhesive layer 10 is transferred to the surface of the ceramic green sheet 2 of the laminate unit 20, the intermediate sheet 19 is attached to the surface of the adhesive layer 10. Even if the second support sheet 4 in which the laminate unit 20, the adhesive layer 10 and the intermediate sheet 19 are laminated is wound up by the second winding roller 18, the adhesive layer 10 is still in the second support sheet. Therefore, the laminating apparatus for laminating the laminate unit 20 is adhered to the surface of the ceramic green sheet 2 of the laminate unit 20 formed on the surface of the second support sheet 4. Since it can arrange | position in parallel with the transfer apparatus for transferring 10, it becomes possible to prevent that a manufacturing line becomes long.

  Subsequently, the laminate unit set formed on the surface of the second support sheet 4 is exactly the same as the case where the adhesive layer 10 of the adhesive layer sheet 11 is transferred to the surface of the ceramic green sheet 2 of the laminate unit 20. The adhesive layer 10 of the adhesive layer sheet 11 is transferred to the surface of the ceramic green sheet 2.

  FIG. 37 is a schematic cross-sectional view of a transfer device that transfers the adhesive layer 10 of the adhesive layer sheet 11 to the surface of the ceramic green sheet 2 of the laminate unit set formed on the surface of the second support sheet 4.

  As shown in FIG. 37, the transfer device for transferring the adhesive layer 10 of the adhesive layer sheet 11 to the surface of the ceramic green sheet 2 of the laminate unit set formed on the surface of the second support sheet 4 is , A second feeding roller 13, a peeling roller 14, a pair of pressure rollers 15, 16, a first winding roller 17, a second winding roller 18, and an intermediate sheet 19. 5 and the intermediate sheet feeding roller 19a, the transfer device shown in FIG. 5, the transfer device shown in FIG. 7, the transfer device shown in FIG. 9, the transfer device shown in FIG. 21, and the transfer device shown in FIG. The transfer apparatus shown in FIG. 25, the transfer apparatus shown in FIG. 25, the transfer apparatus shown in FIG. 33, and the laminating apparatus shown in FIG.

  In transferring the adhesive layer 10 of the adhesive layer sheet 11 to the surface of the ceramic green sheet 2 of the laminate unit set formed on the surface of the second support sheet 4, first, the first feeding roller 12 is used as an adhesive. A roller around which the sheet 11 is wound is set in a transfer device, and a second support sheet 4 having a laminate unit set including two laminate units 20 formed on the surface as a second feeding roller 13 is wound. The rotated second winding roller 18 is set.

  Next, the adhesive sheet 11 is fed from the first feeding roller 12 and supplied between the pair of pressure rollers 15 and 16.

  In synchronization with the feeding of the adhesive sheet 11 from the first feeding roller 12, the second supporting sheet in which a laminate unit set including two laminate units 20 is formed on the surface from the second feeding roller 13. 4 is fed out and supplied between the pair of pressure rollers 15 and 16.

  FIG. 38 is a schematic enlarged sectional view in the vicinity of the pair of pressure rollers 15 and 16.

  The pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure of the pair of pressure rollers 15 and 16 is preferably about 0.2 to about 15 MPa, more preferably , About 0.2 MPa to about 6 MPa.

  The supply speed of the second support sheet 4 and the third support sheet 9 is set to 2 m / second, for example.

  As shown in FIG. 38, the third support sheet 9 on which the adhesive layer 10 is formed has the third support sheet 9 moved upward by the pressure roller 15 by the tensile force applied to the third support sheet 9. The second support sheet is supplied between the pair of pressure rollers 15 and 16 obliquely from above so that the laminate unit set including the two laminate units 20 is formed on the surface thereof. 4, the second support sheet 4 is in contact with the lower pressure roller 16, and the surface of the ceramic green sheet 2 of the laminate unit 20 located on the surface side is formed on the third support sheet 9. It is supplied between the pair of pressure rollers 15 and 16 in a substantially horizontal direction so as to contact the surface of the adhesive layer 10.

  As a result, the adhesive layer 10 formed on the third support sheet 9 is adhered to the surface of the ceramic green sheet 2 of the laminate unit 20 located on the front surface side.

  On the other hand, as shown in FIG. 38, the third support sheet 9 on which the adhesive layer 10 is formed is conveyed obliquely upward from between the pair of pressure rollers 15 and 16. The support sheet 9 is peeled off from the adhesive layer 10 adhered to the surface of the ceramic green sheet 2 of the laminate unit 20 and wound up by the first winding roller 17.

  After the adhesive layer 10 formed on the third support sheet 9 is adhered to the surface of the ceramic green sheet 2 of the laminate unit 20 and the third support sheet 9 is peeled off from the adhesive layer 10, the intermediate sheet is fed out. The intermediate sheet 19 is fed out from the roller 19 a and adhered to the surface of the adhesive layer 10, and then the second support sheet 4 is wound up by the second winding roller 18.

  Furthermore, it is produced on the surface of the ceramic green sheet 2 of the laminate unit set including the two laminate units 20 formed on the second support sheet 4 by the transfer device shown in FIG. The release layer 5 of the laminate unit 20 to be newly laminated is bonded, and a laminate unit set in which the three laminate units 20 are laminated is formed on the second support sheet 4.

  FIG. 39 shows the transfer device shown in FIG. 25 on the surface of the ceramic green sheet 2 of the laminate unit set including the two laminate units 20 formed on the second support sheet 4 via the adhesive layer 10. It is a schematic sectional drawing of the lamination | stacking apparatus which laminates | stacks the laminated body unit 20 which should be newly laminated | stacked produced by.

  As shown in FIG. 39, the surface of the ceramic green sheet 2 of the laminate unit set including the two laminate units 20 formed on the second support sheet 4 is attached to the surface of FIG. 25 via the adhesive layer 10. A laminating apparatus for laminating a laminate unit 20 to be newly laminated produced by the illustrated transfer apparatus includes a first feeding roller 12, a second feeding roller 13, a peeling roller 14, and a pair of pressures. 5 includes a roller 15, 16; a first take-up roller 17; a second take-up roller 18; and an intermediate sheet feed roller 19a that feeds the intermediate sheet 19. The transfer device shown in FIG. The transfer device shown, the transfer device shown in FIG. 9, the transfer device shown in FIG. 21, the transfer device shown in FIG. 23, the transfer device shown in FIG. 25, and the transfer device shown in FIG. , It has the same configuration as shown in the stacking device and 37 shown in 35 transfer apparatus.

  It was produced by the transfer device shown in FIG. 25 on the surface of the ceramic green sheet 2 of the laminate unit set including the two laminate units 20 formed on the second support sheet 4 via the adhesive layer 10. In laminating the laminate unit 20, first, the first support sheet 1 including the laminate unit 20 to be laminated produced by the transfer device shown in FIG. The rolled roller is set in a laminating apparatus, and the second feeding roller 13 is a second unit in which a laminate unit set including two laminate units 20, an adhesive layer 10 and an intermediate sheet 19 are laminated on the surface. A roller around which the support sheet 4 is wound is set in a laminating apparatus.

  Next, the second support sheet 4 in which the laminate unit set including the two laminate units 20, the adhesive layer 10 and the intermediate sheet 19 are laminated on the surface thereof is fed out from the second feed roller 13, and the adhesive layer The intermediate sheet 19 attached to the surface of the sheet 10 is peeled off and wound up by the peeling roller 14.

  In the present embodiment, the intermediate sheet 19 is formed by using the intermediate sheet 19 having unevenness with a height of 1 μm to 10 μm formed on the surface to be attached to the adhesive layer 10. Then, it can be peeled off and wound up by the peeling roller 14 as desired.

  The second support sheet 4 from which the intermediate sheet 19 has been peeled from the adhesive layer 10 is supplied between the pair of pressure rollers 15 and 16 so that the second support sheet 4 contacts the pressure roller 16 below. On the other hand, in synchronization with the feeding of the second support sheet 4 from the second feeding roller 13, the first feeding roller 12 has the first laminated unit 20 to be laminated formed on the surface. The support sheet 1 is fed out and supplied between the pair of pressure rollers 15 and 16 so that the first support sheet 1 contacts the upper pressure roller 15.

  FIG. 40 is a schematic enlarged sectional view of the vicinity of the pair of pressure rollers 15 and 16.

  The pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure of the pair of pressure rollers 15 and 16 is preferably about 0.2 to about 15 MPa, more preferably , About 0.2 MPa to about 6 MPa.

  The supply speed of the first support sheet 1 and the second support sheet 4 is set to 2 m / second, for example.

  As shown in FIG. 40, the first support sheet 1 on which the laminated unit to be laminated is formed has the first support sheet 1 formed by the tensile force applied to the first support sheet 1. The second unit unit is formed between the pair of pressure rollers 15 and 16 and is formed between the pair of pressure rollers 15 and 16 so as to be wound around the upper pressure roller 15. The second support sheet 4 is in contact with the lower pressure roller 16, and the ceramic green sheet 2 of the laminate unit 20 located on the surface side is connected to the first support sheet via the adhesive layer. It is supplied between the pair of pressure rollers 15 and 16 in a substantially horizontal direction so as to come into contact with the surface of the release layer 5 of the laminate unit 20 formed on the sheet 1.

  As a result, it was formed on the first support sheet 1 via the adhesive layer 10 on the surface of the ceramic green sheet 2 of the laminate unit 20 located on the surface side formed on the second support sheet 4. The release unit 5 of the laminate unit 20 is adhered, and the laminate unit 20 formed on the first support sheet 1 is laminated on the laminate unit set, while the first unit as shown in FIG. Since one support sheet 1 is conveyed obliquely upward from between the pair of pressure rollers 17 and 18, the first support sheet 1 is placed on the surface of the ceramic green sheet 2 of the multilayer unit 20. It peels from the laminated body unit 20 which adhere | attached.

  The first support sheet 1 peeled from the laminate unit 20 is taken up by the first take-up roller 17, and on the other hand, a laminate including three laminate units 20 laminated through the adhesive layer 10. The second support sheet 4 on which the unit set is formed is wound up by the second winding roller 18.

  In this embodiment, since the adhesive layer 10 is transferred to the surface of the ceramic green sheet 2 of the laminate unit set, the intermediate sheet 19 is attached to the surface of the adhesive layer 10. In addition, even if the second support sheet 4 in which the laminate unit set including the two laminate units 20, the adhesive layer 10 and the intermediate sheet 19 are laminated is wound by the second winding roller 18, the adhesive layer 10 does not adhere to the surface of the second support sheet 4, and therefore, the laminate unit 20 is laminated on the surface of the second support sheet 4 to produce a laminate unit set. Since it can be arranged in parallel with a transfer device for transferring the adhesive layer 10 to the surface of the ceramic green sheet 2 of the laminated body unit set, It is possible to prevent the Inn is unnecessarily long.

  Next, the ceramic green of the laminate unit 20 located on the surface side of the laminate unit set is exactly the same as the case where the adhesive layer 10 of the adhesive layer sheet 11 is transferred to the surface of the ceramic green sheet 2 of the laminate unit 20. The adhesive layer 10 of the adhesive layer sheet 11 is transferred to the surface of the sheet 2.

  Furthermore, the laminate unit 20 is laminated on the laminate unit set formed on the second support sheet 4, and the laminate unit 20 located on the surface side of the laminate unit set is placed on the surface of the ceramic green sheet 2. When the transfer of the adhesive layer 10 is repeated and a laminate unit set including a predetermined number of laminate units 20 is formed on the second support sheet 4, the laminate is located on the surface side of the laminate unit set. After the adhesive layer 10 is transferred to the surface of the ceramic green sheet 2 of the unit 20, the second support sheet 4 and the laminate unit set are cut into a predetermined size by a cutting device (not shown) and stacked. A body block 40 is formed.

  The laminated body block 40 thus formed is set on a support 28 fixed on the substrate 25 in which a large number of holes 26 are formed, and on the outer layer of the laminated ceramic capacitor in exactly the same manner as in FIGS. In addition, a predetermined number of the laminate units 20 are laminated to form a laminate.

  Next, the multilayer body including the predetermined number of multilayer body units 20 is cut into a predetermined size, and a large number of ceramic green chips are manufactured.

  The ceramic green chip thus produced is placed in a reducing gas atmosphere, the binder is removed, and the ceramic green chip is further fired.

  Next, necessary external electrodes and the like are attached to the fired ceramic green chip to produce a multilayer ceramic capacitor.

  According to this embodiment, the laminated body units 20 are successively laminated on the long second support sheet 4 to produce a laminated body unit set including a predetermined number of laminated body units 20, and then In addition, since the laminated body unit set is cut into a predetermined size to create the laminated body block 40, the laminated body units 20 cut into a predetermined size are laminated one by one to form the laminated body block 40. As compared with the case of manufacturing, the manufacturing efficiency of the multilayer unit 20 can be greatly improved.

  In addition, according to the present embodiment, after the adhesive layer 10 is transferred to the surface of the ceramic green sheet 2 of the laminate unit 20, the intermediate sheet 19 is attached to the surface of the adhesive layer 10, so Even when the second support sheet 4 including the laminate unit 20 to which the adhesive layer 10 has been transferred is taken up by the second take-up roller 18, the adhesive layer 10 does not adhere to the second support sheet 4. Therefore, since the laminating apparatus for laminating the laminate unit 20 can be arranged in parallel on the surface of the ceramic green sheet 2 of the laminate unit 20, a transfer apparatus for transferring the adhesive layer 10 can be arranged. It is possible to prevent the length from becoming longer.

  Further, as shown in FIGS. 33, 35, 37 and 39, transfer for transferring the adhesive layer 10 formed on the third support sheet 9 to the surface of the ceramic green sheet 2 of the laminate unit 20. Since the laminating apparatus for laminating the apparatus and the laminate unit 20 has the same configuration, the adhesive layer 10 formed on the third support sheet 9 is attached to the surface of the ceramic green sheet 2 of the laminate unit 20. The transfer step and the laminate unit 20 step can be performed using a single transfer device, and thus the space of the manufacturing facility can be greatly reduced.

  Moreover, according to this embodiment, since the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10 is used as the intermediate sheet 19, air is used as the adhesive layer. 10 and the intermediate sheet 19 is discharged from the space, and air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus the intermediate sheet 19 attached to the adhesive layer 10 is wrinkled, By the second take-up roller 18, the laminate unit set, the adhesive layer 10 and the intermediate sheet 19 are laminated on the surface of the elongated second support sheet 4 or the surface thereof. It is possible to effectively prevent the second support sheet 4 from meandering when winding the long second support sheet 4 on which the layer 10 and the intermediate sheet 19 are laminated.

  Furthermore, according to the present embodiment, the intermediate sheet 19 is used as the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10. The adhesive layer 10 can be peeled off as desired and taken up by the peeling roller 14.

  FIG. 41 is a schematic cross-sectional view of a transfer device used in a method for manufacturing a multilayer ceramic capacitor according to still another preferred embodiment of the present invention.

  The transfer device according to this embodiment is manufactured by the transfer device shown in FIG. 25, and the ceramic green sheet 2, the adhesive layer 10, the electrode layer 6, the spacer layer 7, and the release layer are formed on the surface of the first support sheet 1. The adhesive layer 10 of the adhesive sheet 11 is transferred to the surface of the release layer 5 of the laminate unit 20 in which 5 is laminated, and the intermediate sheet is transferred to the adhesive layer 10 transferred to the surface of the release layer 5 of the laminate unit 20. It is configured to be attached and wound.

  As shown in FIG. 41, the transfer apparatus according to this embodiment for transferring the adhesive layer 10 of the adhesive sheet 11 to the surface of the release layer 5 of the laminate unit 20 produced by the transfer apparatus shown in FIG. A first feeding roller 12, a second feeding roller 13, a peeling roller 14, a pair of pressure rollers 15, 16, a first winding roller 17, a second winding roller 18, An intermediate sheet feeding roller 19a for feeding the intermediate sheet 19, and the transfer device shown in FIG. 5, the transfer device shown in FIG. 7, the transfer device shown in FIG. 9, the transfer device shown in FIG. 23, the transfer device shown in FIG. 25, the transfer device shown in FIG. 33, the laminating device shown in FIG. 35, the transfer device shown in FIG. 37 and the transfer device shown in FIG. Have the same configuration as To have.

  On the surface of the release sheet 5 of the laminate unit 20 in which the ceramic green sheet 2, the adhesive layer 10, the electrode layer 6, the spacer layer 7 and the release layer 5 are laminated on the surface of the first support sheet 1, In transferring the adhesive layer 10, first, as the first feeding roller 12, a roller around which the adhesive sheet 11 is wound is set in the transfer device, and as the second feeding roller 13, the laminate unit 20 is formed on the surface. A roller around which the first support sheet 1 on which is formed is wound is set.

  Further, an intermediate sheet feeding roller 19a around which the intermediate sheet 19 is wound is set in the transfer device.

  The intermediate sheet 19 is attached to the surface of the adhesive layer 10 transferred to the surface of the release layer 5 of the laminate unit 20, and the intermediate sheet 19 includes the laminate unit 20 having the adhesive layer 10 transferred to the surface of the release layer 5. When the support sheet 1 is taken up by the second take-up roller 18, the adhesive layer 11 is prevented from adhering to the surface of the first support sheet 1.

  As the intermediate sheet 19, for example, a polyethylene terephthalate film can be used. In the present embodiment, as the intermediate sheet 19, irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10. The intermediate sheet 19 is used.

  As described above, when the intermediate sheet 19 having a height of 1 μm to 10 μm formed on the surface to be attached to the adhesive layer 10 is used as the intermediate sheet 19 to be attached to the surface of the adhesive layer 10, the air is bonded. The air is not exhausted from the space between the layer 10 and the intermediate sheet 19 and the air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus wrinkles occur in the intermediate sheet 19 attached to the adhesive layer 10. It is effective that the first support sheet 1 meanders when the elongate first support sheet 1 in which the laminate unit 20, the adhesive layer 10 and the intermediate sheet 19 are laminated is wound on the surface. Can be prevented.

  Preferably, the intermediate sheet 19 has unevenness with a height of 1 μm to 5 μm formed on the surface to be attached to the adhesive layer 10.

Further, 800 or more height irregularities of 1 μm to 10 μm are formed per 1 mm ^{2 of the} surface to be attached to the adhesive layer 10 of the intermediate sheet 19.

More preferably, 800 or more height irregularities of 1 μm to 5 μm are formed per 1 mm ^{2 of the} surface to be attached to the adhesive layer 10 of the intermediate sheet 19.

  Preferably, the intermediate sheet 19 is formed of the same material as the third support sheet 9, and the surface to be attached to the adhesive layer 10 of the intermediate sheet 19 is coated with silicon resin, alkyd resin, etc. The same surface treatment as that of the support sheet 9 is performed.

  Next, the adhesive sheet 11 is fed out from the first feeding roller 12 and supplied between the pair of pressure rollers 15 and 16, and in synchronization with the feeding of the adhesive sheet 11 from the first feeding roller 12, The first support sheet 1 having the laminate unit 20 formed on the surface thereof is fed from the second feed roller 13 and supplied between the pair of pressure rollers 15 and 16.

  When the adhesive layer 10 is transferred to the surface of the release layer 5 of the laminate unit 20, the release roller 14 is not driven.

  FIG. 42 is a schematic enlarged sectional view in the vicinity of the pair of pressure rollers 15 and 16.

  The pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure of the pair of pressure rollers 15 and 16 is preferably about 0.2 to about 15 MPa, more preferably , About 0.2 MPa to about 6 MPa.

  The supply speed of the first support sheet 1 and the third support sheet 9 is set to 2 m / sec, for example.

  As shown in FIG. 42, the third support sheet 9 on which the adhesive layer 10 is formed has the third support sheet 9 moved upward by the upper pressure roller 15 by the tensile force applied to the third support sheet 9. The first support sheet 1 that is supplied between the pair of pressure rollers 15 and 16 so that the laminate unit 20 is formed on the surface thereof is provided as a first support sheet. 1 is in contact with the lower pressure roller 16 and the release layer 5 of the laminate unit 20 is in contact with the surface of the adhesive layer 10 formed on the third support sheet 9 in a substantially horizontal direction, Supplied between the pair of pressure rollers 15 and 16.

  As a result, the adhesive layer 10 formed on the third support sheet 9 is adhered to the surface of the release layer 5 of the multilayer unit 20.

  As shown in FIG. 42, the third support sheet 9 on which the adhesive layer 10 is formed is conveyed obliquely upward from between the pair of pressure rollers 15 and 16, and therefore the third support sheet 9 is supported. The sheet 9 is peeled from the adhesive layer 10 adhered to the surface of the release layer 5.

  When the third support sheet 9 is peeled off from the adhesive layer 10, static electricity is generated and dust adheres, or the adhesive layer is attracted to the third support sheet, and the third support sheet is formed as desired. However, in this embodiment, the adhesive layer 10 contains 0.01 wt% to 15 wt% imidazoline-based surfactant with respect to the binder. Therefore, it is possible to effectively prevent the generation of static electricity.

  Thus, when the adhesive layer 10 is adhered to the surface of the release layer 5 of the laminate unit 20 and the third support sheet 9 is released from the adhesive layer 10, as shown in FIG. From 19a, the intermediate sheet 19 is drawn out, the intermediate sheet 19 is attached to the surface of the adhesive layer 10, and the laminated unit 20, the adhesive layer 10 and the intermediate sheet 19 are laminated on the surface. 1 is taken up by the second take-up roller 18.

  In this embodiment, since the intermediate sheet 19 is used as the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10, air is intermediate between the adhesive layer 10 and the intermediate sheet 19. The air is not discharged between the spaces between the sheets 19 and the air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus the intermediate sheet 19 attached to the adhesive layer 10 is wrinkled or the second When the elongate first support sheet 1 having the laminate unit 20, the adhesive layer 10 and the intermediate sheet 19 laminated thereon is wound by the take-up roller 18, the first support sheet 1 is meandering. This can be effectively prevented.

  Thus, in this embodiment, after the intermediate sheet 19 is attached to the surface of the adhesive layer 10, the first support in which the laminate unit 20, the adhesive layer 10, and the intermediate sheet 19 are laminated on the surface. Since the sheet 1 is configured to be wound by the second winding roller 18, the adhesive layer 10 does not adhere to the first support sheet 1 of the laminate unit 20.

  Next, the adhesive layer 10 transferred to the surface of the release layer 5 of the laminate unit 20 is produced by the transfer device shown in FIG. 7, and the release layer 5, the electrode layer 6, and the spacer are formed on the second support sheet 4. Another laminate unit 20 on which the layer 7, the adhesive layer 10 and the ceramic green sheet 2 are formed is bonded to laminate the two laminate units 20 together.

  FIG. 43 shows the adhesive layer 10 transferred to the surface of the release layer 5 of the laminate unit 20, the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the ceramic green on the second support sheet 4. FIG. 4 is a schematic cross-sectional view of a stacking apparatus that bonds another stack unit 20 on which a sheet 2 is formed, stacks two stack units 20, and manufactures a stack unit set including a plurality of stack units 20. .

  As shown in FIG. 43, the adhesive layer 10 transferred to the surface of the release layer 5 of the laminate unit 20 has the release layer 5, the electrode layer 6, the spacer layer 7, and the adhesive layer on the second support sheet 4. 10 and another laminate unit 20 on which the ceramic green sheet 2 is formed are bonded to each other to laminate two laminate units 20 and produce a laminate unit set including a plurality of laminate units 20. First feeding roller 12, second feeding roller 13, peeling roller 14, a pair of pressure rollers 15, 16, a first winding roller 17, a second winding roller 18, and an intermediate The transfer device shown in FIG. 5, the transfer device shown in FIG. 7, the transfer device shown in FIG. 9, the transfer device shown in FIG. 23 25, the transfer device shown in FIG. 33, the transfer device shown in FIG. 33, the laminating device shown in FIG. 35, the transfer device shown in FIG. 37, the laminating device shown in FIG. It has the same configuration as the transfer device shown in FIG.

  On the second support sheet 4, the release layer 5, the electrode layer 6, the spacer layer 7, the adhesive layer 10 and the ceramic green sheet 2 are formed on the adhesive layer 10 transferred to the surface of the release layer 5 of the laminate unit 20. In order to produce a laminate unit set including a plurality of laminate units 20 by adhering the other laminate units 20 thus prepared, the two laminate units 20 are laminated, 7, a transfer device shown in FIG. 7 is newly formed by laminating a release layer 5, an electrode layer 6, a spacer layer 7, an adhesive layer 10 and a ceramic green sheet 2 on the second support sheet 4. A roller around which the second support sheet 4 provided with the laminate unit 20 to be laminated is wound is set in a laminating apparatus, and the second feeding roller 13 is laminated on the surface thereof. Unit 20, rollers first support sheet 1 is wound the adhesive layer 10 and the intermediate sheet 19 are laminated, are set in the stacking device.

  Next, the first support sheet 1 in which the laminate unit 20, the adhesive layer 10 and the intermediate sheet 19 are laminated on the surface thereof is fed from the second feed roller 13, and the intermediate sheet attached to the surface of the adhesive layer 10. 19 is peeled off and taken up by the peeling roller 14.

  In the present embodiment, the intermediate sheet 19 is formed by using the intermediate sheet 19 having unevenness with a height of 1 μm to 10 μm formed on the surface to be attached to the adhesive layer 10. Then, it can be peeled off and wound up by the peeling roller 14 as desired.

  The first support sheet 1 including the laminate unit 20 from which the intermediate sheet 19 has been peeled off from the adhesive layer 10 has a pair of pressure rollers such that the first support sheet 1 contacts the lower pressure roller 16. On the other hand, in synchronization with the feeding of the first support sheet 1 from the second feeding roller 13, the laminated unit 20 to be laminated on the surface from the first feeding roller 12. The second support sheet 4 on which is formed is fed out and supplied between the pair of pressure rollers 15 and 16 so that the second support sheet 4 contacts the upper pressure roller 15.

  FIG. 44 is a schematic enlarged sectional view of the vicinity of the pair of pressure rollers 15 and 16.

  The pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure of the pair of pressure rollers 15 and 16 is preferably about 0.2 to about 15 MPa, more preferably , About 0.2 MPa to about 6 MPa.

  The supply speed of the first support sheet 1 and the second support sheet 4 is set to 2 m / second, for example.

  As shown in FIG. 44, the second support sheet 4 having the laminate unit to be laminated on the surface thereof has the second support sheet 4 formed by the tensile force applied to the second support sheet 4. A first unit provided with a laminated body unit 20 that is supplied between the pair of pressure rollers 15 and 16 obliquely from above and is peeled off from the adhesive layer 10 so as to be wound around the upper pressure roller 15. One support sheet 1 is a laminate unit in which the first support sheet 1 is in contact with the lower pressure roller 16 and the release layer 5 is formed on the second support sheet 2 via an adhesive layer. It is supplied between the pair of pressure rollers 15 and 16 in a substantially horizontal direction so as to come into contact with the surface of the 20 ceramic green sheets 2.

  As a result, the ceramic of the laminate unit 20 formed on the second support sheet 4 via the adhesive layer 10 on the surface of the release layer 5 of the laminate unit 20 formed on the first support sheet 1. The laminate unit 20 formed on the second support sheet 4 is laminated on the laminate unit 20 formed on the first support sheet 1 with the green sheet 2 adhered thereto. 44, since the second support sheet 4 is conveyed obliquely upward from between the pair of pressure rollers 17 and 18, the second support sheet 4 is supported by the first support sheet 4. It peels from the laminated body unit 20 adhere | attached on the surface of the peeling layer 5 of the laminated body unit 20 formed on the sheet | seat 1. FIG.

  The second support sheet 4 peeled from the laminate unit 20 is taken up by the first take-up roller 17, and on the other hand, a laminate unit in which two laminate units 20 are laminated via the adhesive layer 10. The first support sheet 1 having a set formed on the surface thereof is taken up by a second take-up roller 18.

  In the present embodiment, since the adhesive sheet 10 is transferred to the surface of the release layer 5 of the laminate unit 20 and then the intermediate sheet 19 is attached to the surface of the adhesive layer 10, Even if the first support sheet 1 in which the laminate unit 20, the adhesive layer 10 and the intermediate sheet 19 are laminated is wound up by the second winding roller 18, the adhesive layer 10 is still in the first support sheet 1. Therefore, the laminating apparatus for laminating the laminate unit 20 is attached to the surface of the release layer 5 of the laminate unit 20 formed on the surface of the first support sheet 1. Since it can arrange | position in parallel with the transcription | transfer apparatus for transcription | transfer, it becomes possible to prevent that a manufacturing line becomes long.

  Next, the laminate unit set formed on the surface of the first support sheet 1 is peeled off in the same manner as the adhesive layer 10 of the adhesive layer sheet 11 is transferred to the surface of the release layer 5 of the laminate unit 20. The adhesive layer 10 of the adhesive layer sheet 11 is transferred to the surface of the layer 5.

  FIG. 45 is a schematic cross-sectional view of a transfer device that transfers the adhesive layer 10 of the adhesive layer sheet 11 to the surface of the release layer 5 of the laminate unit set formed on the surface of the first support sheet 1.

  As shown in FIG. 45, the transfer device for transferring the adhesive layer 10 of the adhesive layer sheet 11 to the surface of the release layer 5 of the laminate unit set formed on the surface of the first support sheet 1 A feeding roller 12, a second feeding roller 13, a peeling roller 14, a pair of pressure rollers 15 and 16, a first winding roller 17, a second winding roller 18, and an intermediate sheet 19 The transfer apparatus shown in FIG. 5, the transfer apparatus shown in FIG. 7, the transfer apparatus shown in FIG. 9, the transfer apparatus shown in FIG. 21, and the transfer apparatus shown in FIG. 25, the transfer device shown in FIG. 25, the transfer device shown in FIG. 33, the laminating device shown in FIG. 35, the transfer device shown in FIG. 37, the laminating device shown in FIG. The transfer device shown in FIG. 41 and FIG. It has the same configuration as the transcription unit.

  In transferring the adhesive layer 10 of the adhesive layer sheet 11 to the surface of the release layer 5 of the laminate unit set formed on the surface of the first support sheet 1, first, as the first feeding roller 12, the adhesive sheet The first support sheet 1 having a laminate unit set including two laminate units 20 formed on the surface is wound as the second feeding roller 13. The rotated second winding roller 18 is set.

  Next, the adhesive sheet 11 is fed from the first feeding roller 12 and supplied between the pair of pressure rollers 15 and 16.

  In synchronization with the feeding of the adhesive sheet 11 from the first feeding roller 12, a first support sheet in which a laminate unit set including two laminate units 20 is formed on the surface from the second feeding roller 13. 1 is fed out and supplied between the pair of pressure rollers 15 and 16.

  FIG. 46 is a schematic enlarged sectional view of the vicinity of the pair of pressure rollers 15 and 16.

  The pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure of the pair of pressure rollers 15 and 16 is preferably about 0.2 to about 15 MPa, more preferably , About 0.2 MPa to about 6 MPa.

  The supply speed of the first support sheet 1 and the third support sheet 9 is set to 2 m / sec, for example.

  As shown in FIG. 46, the third support sheet 9 on which the adhesive layer 10 is formed has the third support sheet 9 moved upward by the pressure roller 15 by the tensile force applied to the third support sheet 9. The first support sheet is supplied between the pair of pressure rollers 15 and 16 obliquely from above so that the laminate unit set including the two laminate units 20 is formed on the surface thereof. 1, the first support sheet 1 is in contact with the lower pressure roller 16, and the surface of the release layer 5 of the laminate unit 20 located on the surface side is formed on the third support sheet 9. It is supplied between the pair of pressure rollers 15 and 16 in a substantially horizontal direction so as to contact the surface of the layer 10.

  As a result, the adhesive layer 10 formed on the third support sheet 9 is adhered to the surface of the release layer 5 of the multilayer unit 20 located on the surface side.

  On the other hand, as shown in FIG. 46, the third support sheet 9 on which the adhesive layer 10 is formed is conveyed obliquely upward from between the pair of pressure rollers 15 and 16. The support sheet 9 is peeled off from the adhesive layer 10 adhered to the surface of the release layer 5 of the laminate unit 20 and taken up by the first take-up roller 17.

  After the adhesive layer 10 formed on the third support sheet 9 is adhered to the surface of the release layer 5 of the laminate unit 20 and the third support sheet 9 is released from the adhesive layer 10, the intermediate sheet feeding roller From 19 a, the intermediate sheet 19 is unwound and attached to the surface of the adhesive layer 10, and then the first support sheet 1 is wound up by the second winding roller 18.

  Furthermore, it is produced on the surface of the release layer 5 of the laminate unit set including the two laminate units 20 formed on the first support sheet 1 by the transfer device shown in FIG. The ceramic green sheet 2 of the laminate unit 20 to be newly laminated is bonded, and a laminate unit set in which the three laminate units 20 are laminated is formed on the first support sheet 1.

  FIG. 47 shows the surface of the release unit 5 of the laminate unit set including the two laminate units 20 formed on the first support sheet 1 by the transfer device shown in FIG. It is a schematic sectional drawing of the lamination | stacking apparatus which laminates | stacks the produced laminated body unit 20 which should be laminated | stacked newly.

  As shown in FIG. 47, the surface of the release layer 5 of the laminate unit set including the two laminate units 20 formed on the first support sheet 1 is shown in FIG. 7 via the adhesive layer 10. A laminating apparatus for laminating a laminate unit 20 to be newly laminated produced by a transfer device includes a first feeding roller 12, a second feeding roller 13, a peeling roller 14, and a pair of pressure rollers 15. , 16, a first take-up roller 17, a second take-up roller 18, and an intermediate sheet feed roller 19 a for feeding the intermediate sheet 19. The transfer device shown in FIG. 5 is shown in FIG. 7. 9, the transfer device shown in FIG. 21, the transfer device shown in FIG. 21, the transfer device shown in FIG. 23, the transfer device shown in FIG. 25, the transfer device shown in FIG. 33, Laminate shown in 35 37, the laminating device shown in FIG. 39, the transferring device shown in FIG. 41, the transferring device shown in FIG. 43, and the transferring device shown in FIG. Have.

  A new product produced by the transfer device shown in FIG. 7 is formed on the surface of the release layer 5 of the laminate unit set including the two laminate units 20 formed on the first support sheet 1 via the adhesive layer 10. In laminating the laminate unit 20 to be laminated, first, the second support provided with the laminate unit 20 to be laminated produced by the transfer device shown in FIG. A roller around which the sheet 4 is wound is set in a laminating apparatus, and a laminate unit set including two laminate units 20, an adhesive layer 10, and an intermediate sheet 19 are laminated on the surface as a second feeding roller 13. The roller around which the first support sheet 1 is wound is set in the laminating apparatus.

  Next, the first support sheet 1 in which the laminate unit set including the two laminate units 20, the adhesive layer 10 and the intermediate sheet 19 are laminated on the surface thereof is fed out from the second feed roller 13, and the adhesive layer The intermediate sheet 19 attached to the surface of the sheet 10 is peeled off and wound up by the peeling roller 14.

  In the present embodiment, the intermediate sheet 19 is formed by using the intermediate sheet 19 having unevenness with a height of 1 μm to 10 μm formed on the surface to be attached to the adhesive layer 10. Then, it can be peeled off and wound up by the peeling roller 14 as desired.

  The first support sheet 1 from which the intermediate sheet 19 has been peeled from the adhesive layer 10 is supplied between the pair of pressure rollers 15 and 16 so that the first support sheet 1 contacts the pressure roller 16 below. On the other hand, in synchronism with the feeding of the first support sheet 1 from the second feeding roller 13, the second feeding unit 12 is provided with the laminated unit 20 to be laminated on the surface thereof. The support sheet 4 is fed out and supplied between the pair of pressure rollers 15 and 16 so that the second support sheet 4 contacts the upper pressure roller 15.

  FIG. 48 is a schematic enlarged sectional view of the vicinity of the pair of pressure rollers 15 and 16.

  The pair of pressure rollers 15 and 16 is maintained at a temperature of about 40 ° C. to about 100 ° C., and the nip pressure of the pair of pressure rollers 15 and 16 is preferably about 0.2 to about 15 MPa, more preferably , About 0.2 MPa to about 6 MPa.

  The supply speed of the first support sheet 1 and the second support sheet 4 is set to 2 m / second, for example.

  As shown in FIG. 48, the second support sheet 4 having the laminate unit to be laminated on the surface thereof has the second support sheet 4 formed by the tensile force applied to the second support sheet 4. A first unit is formed between the pair of pressure rollers 15 and 16 and is formed between the pair of pressure rollers 15 and 16 so as to be wound around the upper pressure roller 15. As for the support sheet 1, the 1st support sheet 1 contacts the downward pressure roller 16, and the peeling layer 5 of the laminated body unit 20 located in the surface side via the contact bonding layer is the 2nd support sheet 4. It is supplied between the pair of pressure rollers 15 and 16 in a substantially horizontal direction so as to come into contact with the surface of the ceramic green sheet 2 of the laminate unit 20 formed thereon.

  As a result, the laminate formed on the second support sheet 4 via the adhesive layer 10 on the surface of the release layer 5 of the laminate unit 20 located on the surface side formed on the first support sheet 1. The ceramic green sheet 2 of the body unit 20 is adhered, and the laminate unit 20 formed on the second support sheet 4 is laminated on the laminate unit set. On the other hand, as shown in FIG. Since the second support sheet 4 is conveyed obliquely upward from between the pair of pressure rollers 17 and 18, the second support sheet 4 adheres to the surface of the release layer 5 of the multilayer unit 20. The laminated unit 20 is peeled off.

  The second support sheet 4 peeled off from the laminate unit 20 is taken up by the first take-up roller 17, and on the other hand, a laminate including the three laminate units 20 laminated through the adhesive layer 10. The first support sheet 1 on which the unit set is formed is wound around the second winding roller 18.

  In the present embodiment, since the adhesive layer 10 is transferred to the surface of the release layer 5 of the laminate unit set, and then the intermediate sheet 19 is attached to the surface of the adhesive layer 10, Even if the first support sheet 1 in which the laminate unit set including the two laminate units 20, the adhesive layer 10 and the intermediate sheet 19 are laminated is wound up by the second take-up roller 18, the adhesive layer 10 However, it does not adhere to the surface of the first support sheet 1. Therefore, a stacking device for stacking the laminate units 20 to produce a laminate unit set is formed on the surface of the first support sheet 1. Since the transfer unit for transferring the adhesive layer 10 can be disposed in parallel on the surface of the release layer 5 of the laminated unit set, it is possible to prevent the production line from becoming unnecessarily long. It becomes possible.

  Next, the release layer 5 of the laminate unit 20 located on the surface side of the laminate unit set is exactly the same as the case where the adhesive layer 10 of the adhesive layer sheet 11 is transferred to the surface of the release layer 5 of the laminate unit 20. The adhesive layer 10 of the adhesive layer sheet 11 is transferred to the surface.

  Furthermore, the laminate unit 20 is laminated on the laminate unit set formed on the first support sheet 1 and the laminate unit 20 located on the surface side of the laminate unit set is bonded to the surface of the release layer 5. When the transfer of the layer 10 is repeated and a laminate unit set including a predetermined number of laminate units 20 is formed on the first support sheet 1, a laminate unit positioned on the surface side of the laminate unit set After the adhesive layer 10 is transferred to the surface of the release layer 5, the first support sheet 1 and the laminate unit set are cut into a predetermined size by a cutting device (not shown), and the laminate block 40 is formed.

  The laminated body block 40 thus formed is set on a support 28 fixed on the substrate 25 in which a large number of holes 26 are formed, and on the outer layer of the laminated ceramic capacitor in exactly the same manner as in FIGS. In addition, a predetermined number of the laminate units 20 are laminated to form a laminate.

  Next, the multilayer body including the predetermined number of multilayer body units 20 is cut into a predetermined size, and a large number of ceramic green chips are manufactured.

  The ceramic green chip thus produced is placed in a reducing gas atmosphere, the binder is removed, and the ceramic green chip is further fired.

  Next, necessary external electrodes and the like are attached to the fired ceramic green chip to produce a multilayer ceramic capacitor.

  According to this embodiment, the laminated body unit 20 is laminated | stacked one after another on the elongate 1st support sheet 1, and the laminated body unit set containing the predetermined number of laminated body units 20 is produced, and then In addition, since the laminated body unit set is cut into a predetermined size to create the laminated body block 40, the laminated body units 20 cut into a predetermined size are laminated one by one to form the laminated body block 40. As compared with the case of manufacturing, the manufacturing efficiency of the multilayer unit 20 can be greatly improved.

  In addition, according to the present embodiment, after the adhesive layer 10 is transferred to the surface of the release layer 5 of the laminate unit 20, the intermediate sheet 19 is attached to the surface of the adhesive layer 10. Even when the first support sheet 1 including the laminate unit 20 to which the layer 10 is transferred is wound up by the second winding roller 18, the adhesive layer 10 does not adhere to the first support sheet 1, Therefore, since the laminating apparatus for laminating the laminate unit 20 can be arranged in parallel with the transfer device for transferring the adhesive layer 10 on the surface of the release layer 5 of the laminate unit 20, the production line is long. Can be prevented.

  Furthermore, as shown in FIGS. 41, 43, 45, and 47, a transfer device that transfers the adhesive layer 10 formed on the third support sheet 9 to the surface of the release layer 5 of the multilayer unit 20. Since the laminating apparatus for laminating the laminate unit 20 has the same configuration, the adhesive layer 10 formed on the third support sheet 9 is transferred to the surface of the release layer 5 of the laminate unit 20. And the step of laminating the laminate unit 20 can be performed by using one transfer device, and thus the space of the manufacturing facility can be greatly reduced.

  Moreover, according to this embodiment, since the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10 is used as the intermediate sheet 19, air is used as the adhesive layer. 10 and the intermediate sheet 19 is discharged from the space, and air is not held between the adhesive layer 10 and the intermediate sheet 19, and thus the intermediate sheet 19 attached to the adhesive layer 10 is wrinkled, By the second take-up roller 18, the laminated unit unit, the adhesive layer 10 and the intermediate sheet 19 are laminated on the surface of the long first support sheet 1 or the surface thereof. When winding the long first support sheet 1 on which the layer 10 and the intermediate sheet 19 are laminated, the second support sheet 1 can be effectively prevented from meandering.

  Furthermore, according to the present embodiment, the intermediate sheet 19 is used as the intermediate sheet 19 in which irregularities having a height of 1 μm to 10 μm are formed on the surface to be attached to the adhesive layer 10. The adhesive layer 10 can be peeled off as desired and taken up by the peeling roller 14.

  Examples are given below to clarify the effects of the present invention.

Preparation of Electrode Paste A solution having the following composition was added to 100 parts by weight of Ni particles having an average particle diameter of 0.2 μm and mixed for 20 hours by a ball mill to obtain a slurry.

BaTiO ₃ powder (manufactured by Sakai Chemical Industry Co., Ltd .: trade name “BT-005”)
20 parts by weight Organic vehicle 58 parts by weight Bis (2-ethylhexyl) phthalate 50 parts by weight (DOP: plasticizer)
Turpineol 5 parts by weight Dispersant 1 part by weight Acetone 45 parts by weight Here, an organic vehicle was prepared by dissolving 8 parts by weight of polyvinyl butyral resin in 92 parts by weight of terpineol.

  The slurry thus obtained was heated at 40 ° C. and stirred to volatilize excess acetone to prepare an electrode layer paste.

Preparation of Dielectric Paste for Spacer Layer A solution having the following composition is added to 100 parts by weight of the dielectric powder used for preparing the dielectric paste for the ceramic green sheet, and 20 hours using a ball mill. And mixed to obtain a slurry.

Organic vehicle 71 parts by weight Bis (2-ethylhexyl) phthalate 50 parts by weight (DOP: plasticizer)
Turpineol 5 parts by weight Dispersant 1 part by weight Acetone 64 parts by weight Here, an organic vehicle was prepared by dissolving 8 parts by weight of polyvinyl butyral resin in 92 parts by weight of terpineol.

  The slurry thus obtained was heated at 40 ° C. and stirred to volatilize excess acetone to prepare a spacer layer paste.

Preparation of Dielectric Paste for Release Layer Dielectric powder having the following composition was prepared.

BaTiO ₃ powder (manufactured by Sakai Chemical Industry Co., Ltd .: trade name “BT-01”)
100 parts by weight MgCO ₃ 0.72 parts by weight MnO 0.13 parts by weight (Ba _0.6 Ca _0.4 ) SiO ₃ 1.5 parts by weight Y ₂ O ₃ 1.0 part by weight An organic vehicle having the following composition was added to 100 parts by weight of the dielectric powder thus prepared, and mixed for 20 hours using a ball mill to prepare a dielectric paste.

Polyvinyl butyral resin (binder) 6 parts by weight Bis (2-ethylhexyl) phthalate 3 parts by weight (DOP: plasticizer)
Ethanol 78 parts by weight n-propanol 78 parts by weight Xylene 14 parts by weight Mineral spirit 7 parts by weight Dispersant 0.7 parts by weight The dielectric paste thus obtained was mixed with ethanol, propanol and xylene (mixing ratio 42. 5: 42.5: 15) to prepare a release layer dielectric paste.

Preparation of Adhesive Paste An organic vehicle having the following composition was prepared, and the obtained organic vehicle was diluted 10 times with methyl ethyl ketone to prepare an adhesive paste.

Polyvinyl butyral resin (binder) 100 parts by weight Bis (2-ethylhexyl) phthalate 50 parts by weight (DOP: plasticizer)
900 parts by weight of methyl ethyl ketone Formation of release layer, electrode layer and spacer layer Using a wire bar coater, a dielectric paste for the release layer was applied to the surface of the first polyethylene terephthalate film, dried, and 0.2 μm in thickness. A release layer having a thickness was formed.

  On the surface of the release layer thus formed, an electrode layer paste was printed in a predetermined pattern using a screen printing method to form an electrode layer having a thickness of 1.0 μm.

  Next, a dielectric paste for the spacer layer is printed on the surface of the release layer on which the electrode layer is not formed, using a screen printing method in a pattern complementary to the electrode layer. A spacer layer was formed.

Formation of adhesive layer After applying a silicone resin to both surfaces of the second polyethylene terephthalate film and performing a peelability improving treatment, an adhesive using a wire bar coater is applied to the surface of the second polyethylene terephthalate film. The paste was applied to form an adhesive layer having a thickness of 0.1 μm.

Transfer of Adhesive Layer Using the transfer device shown in FIGS. 5 and 6, the adhesive layer formed on the surface of the second polyethylene terephthalate film is adhered to the surfaces of the electrode layer and the spacer layer, and the second polyethylene The terephthalate film was peeled off, and the adhesive layer was transferred to the surfaces of the electrode layer and the spacer layer.

The nip pressure of the pair of pressure rollers was 1 MPa, and the temperature was 50 ° C.
Next, using the third polyethylene terephthalate film having irregularities with an average height of 4.549 μm formed on the surface as an intermediate sheet, the intermediate sheet is attached to the surface of the adhesive layer and wound. The laminate sample # 1 was prepared and the surface thereof was visually observed. As a result, no wrinkles were observed on the intermediate sheet.

  Further, using a third polyethylene terephthalate film having an average height of 1.724 μm on the surface as an intermediate sheet, the intermediate sheet is attached to the surface of the adhesive layer, wound up, and laminated body Sample # 2 was prepared and the surface thereof was visually observed. As a result, no wrinkles were observed on the intermediate sheet.

  On the other hand, using a third polyethylene terephthalate film having irregularities with an average height of 1.058 μm on the surface as an intermediate sheet, the intermediate sheet is attached to the surface of the adhesive layer, wound up, and laminated body Sample # 3 was prepared and the surface thereof was visually observed. As a result, no wrinkles were observed on the intermediate sheet.

  In contrast, a third polyethylene terephthalate film having an average height of 0.334 μm on the surface is used as an intermediate sheet, and the intermediate sheet is attached to the surface of the adhesive layer and wound up. When the laminated body comparative sample was produced and the surface was observed visually, generation | occurrence | production of wrinkles was recognized by the intermediate sheet.

  This is because in Laminate Samples # 1, # 2 and # 3, since the unevenness having an average height of 1 μm or more was formed on the surface of the intermediate sheet, air was removed from the space between the adhesive layer and the intermediate sheet. As a result, the air was not held between the adhesive layer 10 and the intermediate sheet 19, whereas in the laminate comparison sample, the height of the unevenness formed on the surface of the intermediate sheet was low. This is considered to be because air was not discharged from the space between the adhesive layer and the intermediate sheet and stayed between the adhesive layer 10 and the intermediate sheet 19.

  Therefore, in order to prevent the intermediate sheet from wrinkling when the intermediate sheet is attached to the surface of the adhesive layer transferred to the surface of the electrode layer and the spacer layer and wound, It has been found that the surface to be attached to the layer needs to have irregularities with an average height of 1 μm or more.

  The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say.

  For example, in the above-described embodiment, the adhesive layer 10 includes 0.01% to 15% by weight of an imidazoline surfactant, but the adhesive layer 10 includes 0.01% to 15% of the binder. It is not always necessary to include a weight percent imidazoline surfactant. In the present invention, it is most preferable to use an imidazoline-based surfactant as an antistatic agent for the adhesive layer 10, but other amphoteric ones such as a polyalkylene glycol derivative-based surfactant and a carboxylic acid amidine salt-based surfactant. A surfactant can also be preferably used as an antistatic agent for the adhesive layer 10, and further, ethylene glycol, polyethylene glycol, 2-3 butanediol, glycerin and the like can be used as an antistatic agent for the adhesive layer 10. Can also be used.

  In the above embodiment, an imidazoline surfactant is added to the adhesive solution, but it is not always necessary to add an antistatic agent such as an imidazoline surfactant to the adhesive solution. .

  Furthermore, in the above embodiment, the electrode layer 6 and the spacer layer 7 are formed on the surface of the release layer 5 so that ts / te = 1.1 (ts is the thickness of the spacer layer 7). , Te is the thickness of the electrode layer 6), preferably 0.8 ≦ ts / te ≦ 1.1, more preferably 0.7 ≦ ts / te ≦ 1.3, The electrode layer 6 and the spacer layer 7 may be formed so that 0.9 ≦ ts / te ≦ 1.1, and the electrode layer 6 and the spacer layer 7 are formed so that ts / te = 1.1. It is not always necessary to do.

FIG. 1 is a schematic partial cross-sectional view showing a state in which a ceramic green sheet is formed on the surface of a first support sheet. FIG. 2 is a schematic partial cross-sectional view of a second support sheet having a release layer and an electrode layer formed on the surface thereof. FIG. 3 is a schematic partial cross-sectional view showing a state in which an electrode layer and a spacer layer are formed on the surface of the release layer. FIG. 4 is a schematic partial cross-sectional view of an adhesive layer sheet in which an adhesive layer is formed on the surface of a third support sheet. FIG. 5 is a schematic cross-sectional view of a transfer device that transfers the adhesive layer formed on the third support sheet to the surfaces of the electrode layer and the spacer layer formed on the second support sheet. 6 is a schematic enlarged cross-sectional view of the vicinity of a pair of pressure rollers of the transfer apparatus shown in FIG. FIG. 7 is a schematic cross-sectional view of a transfer device for transferring a ceramic green sheet formed on a first support sheet to the surface of an electrode layer and a spacer layer formed on the second support sheet via an adhesive layer. FIG. FIG. 8 is a schematic enlarged sectional view in the vicinity of a pair of pressure rollers of the transfer apparatus shown in FIG. FIG. 9 is a schematic cross-sectional view of a transfer device that transfers the adhesive layer of the adhesive layer sheet to the surface of the ceramic green sheet of the laminate unit. FIG. 10 is a schematic enlarged sectional view of the vicinity of a pair of pressure rollers of the transfer apparatus shown in FIG. FIG. 11 is a schematic cross-sectional view of a laminate unit that has been cut into a predetermined size by a cutting device. FIG. 12 is a schematic partial cross-sectional view showing the first step of the stacking process of the stacked unit. FIG. 13 is a schematic partial cross-sectional view illustrating a second step of the stacking process of the stacked unit. FIG. 14 is a schematic partial cross-sectional view illustrating a third step of the stacking process of the stacked body unit. FIG. 15 is a schematic partial cross-sectional view illustrating a fourth step of the stacking process of the stacked body unit. FIG. 16 is a partial cross-sectional view showing a fifth step of the stacking process of the stacked unit. FIG. 17 is a schematic partial cross-sectional view showing a first step of a laminating process in which a laminate block laminated on a support fixed to a substrate is laminated on an outer layer of a multilayer ceramic capacitor. FIG. 18 is a schematic partial cross-sectional view showing a second step of the lamination process of laminating the laminated body block laminated on the support fixed to the substrate on the outer layer of the multilayer ceramic capacitor. FIG. 19 is a schematic partial cross-sectional view showing a third step of the lamination process of laminating the laminate block laminated on the support fixed to the substrate on the outer layer of the multilayer ceramic capacitor. FIG. 20 is a schematic partial cross-sectional view showing a fourth step of the lamination process of laminating the laminated body block laminated on the support fixed to the substrate on the outer layer of the multilayer ceramic capacitor. FIG. 21 is a schematic cross-sectional view of a transfer device used in a method for manufacturing a multilayer ceramic capacitor according to another preferred embodiment of the present invention. FIG. 22 is a schematic enlarged sectional view in the vicinity of a pair of pressure rollers of the transfer apparatus shown in FIG. FIG. 23 shows a transfer device for transferring the release layer, electrode layer and spacer layer formed on the second support sheet to the surface of the ceramic green sheet formed on the first support sheet via the adhesive layer. FIG. 24 is a schematic enlarged sectional view of the vicinity of a pair of pressure rollers of the transfer apparatus shown in FIG. FIG. 25 is a schematic cross-sectional view of a transfer device that transfers the adhesive layer of the adhesive sheet to the surface of the release layer of the laminate unit. FIG. 26 is a schematic enlarged cross-sectional view of the vicinity of a pair of pressure rollers of the transfer apparatus shown in FIG. FIG. 27 is a schematic cross-sectional view of a laminate unit that has been cut into a predetermined size by a cutting device. FIG. 28 is a schematic partial cross-sectional view showing a first step of the stacking process of the stacked body unit. FIG. 29 is a schematic partial cross-sectional view showing a second step of the stacking process of the stacked body unit. FIG. 30 is a schematic partial cross-sectional view showing a third step in the stacking process of the stacked body unit. FIG. 31 is a schematic partial cross-sectional view showing a fourth step of the stacking process of the stacked body unit. FIG. 32 is a schematic partial cross-sectional view showing a fifth step of the stacking process of the stacked body unit. FIG. 33 is a schematic cross-sectional view of a transfer device used in a method for manufacturing a multilayer ceramic capacitor according to another preferred embodiment of the present invention. FIG. 34 is a schematic enlarged cross-sectional view of the vicinity of a pair of pressure rollers of the transfer apparatus shown in FIG. FIG. 35 shows another example in which the ceramic green sheet, the adhesive layer, the electrode layer, the spacer layer, and the release layer are formed on the first support sheet on the adhesive layer transferred to the surface of the ceramic green sheet of the laminate unit. FIG. 4 is a schematic cross-sectional view of a stacking apparatus that bonds a stack unit and stacks two stack units to produce a stack unit set including a plurality of stack units. 36 is a schematic enlarged cross-sectional view of the vicinity of a pair of pressure rollers of the laminating apparatus shown in FIG. FIG. 37 is a schematic cross-sectional view of a transfer device that transfers the adhesive layer of the adhesive layer sheet to the surface of the ceramic green sheet of the laminate unit set formed on the surface of the second support sheet. FIG. 38 is a schematic enlarged cross-sectional view of the vicinity of a pair of pressure rollers of the transfer apparatus shown in FIG. FIG. 39 was produced by the transfer device shown in FIG. 25 through the adhesive layer on the surface of the ceramic green sheet of the laminate unit set including two laminate units formed on the second support sheet. It is a schematic sectional drawing of the lamination apparatus which laminates | stacks the laminated body unit which should be laminated | stacked newly. 40 is a schematic enlarged cross-sectional view of the vicinity of a pair of pressure rollers of the laminating apparatus shown in FIG. FIG. 41 is a schematic cross-sectional view of a transfer device used in a method for manufacturing a multilayer ceramic capacitor according to still another preferred embodiment of the present invention. FIG. 42 is a schematic enlarged cross-sectional view in the vicinity of a pair of pressure rollers of the transfer apparatus shown in FIG. FIG. 43 shows another laminate in which a release layer, an electrode layer, a spacer layer, an adhesive layer, and a ceramic green sheet are formed on the second support sheet on the adhesive layer transferred to the surface of the release layer of the laminate unit. FIG. 2 is a schematic cross-sectional view of a stacking apparatus that bonds a body unit, stacks two stack units, and manufactures a stack unit set including a plurality of stack units. FIG. 44 is a schematic enlarged cross-sectional view of the vicinity of a pair of pressure rollers of the laminating apparatus shown in FIG. FIG. 45 is a schematic cross-sectional view of a transfer device that transfers the adhesive layer of the adhesive layer sheet to the surface of the release layer of the laminate unit set formed on the surface of the first support sheet. 46 is a schematic enlarged cross-sectional view of the vicinity of a pair of pressure rollers of the transfer apparatus shown in FIG. 47 shows a new structure produced by the transfer apparatus shown in FIG. 7 on the surface of the release layer of the laminate unit set including two laminate units formed on the first support sheet, with an adhesive layer interposed therebetween. It is a schematic sectional drawing of the lamination | stacking apparatus which laminates | stacks the laminated body unit which should be laminated | stacked on. 48 is a schematic enlarged cross-sectional view of the vicinity of a pair of pressure rollers of the laminating apparatus shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 1st support sheet 2 Ceramic green sheet 3 2nd support sheet 5 Peeling layer 6 Electrode layer 7 Spacer layer 9 Third support sheet 10 Adhesive layer 11 Adhesive layer sheet 12 Intermediate sheet 13 Roller 14 Rollers 15 and 16 Pressurization Rollers 17 and 18 Pressure roller 19 Peeling roller 20 Laminate unit 25 Substrate 26 Hole 28 Support 30 Base 31 Hole 32 Adhesive layer 33 Multilayer ceramic capacitor outer layer 40 Laminate block

Claims (18)

A step of forming a ceramic green sheet on the surface of the first support sheet, a step of forming a release layer on the surface of the second support sheet, and an electrode layer in a predetermined pattern on the surface of the release layer Forming a spacer layer in a pattern complementary to the electrode layer, forming an adhesive layer on the surface of the third support sheet, and forming on the third support sheet From the adhesive layer, the surface of the adhesive layer and the surface of the electrode layer and the spacer layer are brought into close contact with pressure, and the adhesive layer is transferred to the surface of the electrode layer and the spacer layer. A step of peeling the third support sheet, and an intermediate sheet on which at least one surface has irregularities with a height of 1 μm to 10 μm, and the adhesion so that the at least one surface is in contact with the adhesive layer A step of adhering to the surface of the layer, and winding up the laminate in which the release layer, the electrode layer, the spacer layer, the adhesive layer and the intermediate sheet are laminated on the surface of the second support sheet, A step of forming a roll, a step of feeding out the laminate from the laminate roll, a step of peeling the intermediate sheet from the adhesive layer of the laminate fed out of the laminate roll, and the first From the ceramic green sheet, the step of bringing the surface of the ceramic green sheet formed on the surface of the support sheet into close contact with the surface of the adhesive layer of the laminate, pressurizing and bonding, A laminate for a multilayer ceramic electronic component, comprising a step of peeling a support sheet to produce a laminate unit in which the electrode layer and the spacer layer are laminated. Method of manufacturing the unit. A step of forming a ceramic green sheet on the surface of the first support sheet, a step of forming a release layer on the surface of the second support sheet, and an electrode layer in a predetermined pattern on the surface of the release layer Forming a spacer layer in a pattern complementary to the electrode layer, forming an adhesive layer on the surface of the third support sheet, and forming on the third support sheet Contacting the surface of the adhesive layer and the surface of the ceramic green sheet formed on the surface of the first support sheet, pressurizing, and transferring the adhesive layer to the surface of the ceramic green sheet; A step of peeling the third support sheet from the adhesive layer; and an intermediate sheet having irregularities with a height of 1 μm to 10 μm formed on at least one surface; A step of adhering to the surface of the adhesive layer so as to be in contact with the adhesive layer; and winding up the laminate in which the ceramic green sheet, the adhesive layer and the intermediate sheet are laminated on the surface of the first support sheet; A step of forming a laminate roll, a step of feeding out the laminate from the laminate roll, a step of peeling the intermediate sheet from the adhesive layer of the laminate fed out of the laminate roll, From the release layer, the step of bringing the surface of the electrode layer and the spacer layer formed on the surface of the second support sheet and the surface of the adhesive layer of the laminate into close contact, pressurizing, and bonding, Separating the second support sheet to produce a laminate unit in which the ceramic green sheet, the electrode layer and the spacer layer are laminated. Method for producing a multilayer unit for multilayer ceramic electronic components. 3. The method for manufacturing a multilayer unit for a multilayer ceramic electronic component according to claim 1, wherein unevenness of 1 μm to 5 μm is formed on a surface of the intermediate sheet. A surface treatment for improving peelability is applied to the surface of the third support sheet on which the adhesive layer is to be formed, and the third support is applied to the surface of the intermediate sheet to be attached to the adhesive layer. The method for producing a multilayer unit for a multilayer ceramic electronic component according to any one of claims 1 to 3, wherein a surface treatment equivalent to that applied to the surface of the sheet is performed. The surface of the third support sheet on which the adhesive layer is to be formed is coated with a silicon resin or an alkyd resin, and a surface treatment is applied to improve the peelability, and the surface is attached to the adhesive layer of the intermediate sheet. The method for producing a multilayer unit for a multilayer ceramic electronic component according to claim 4, wherein the surface to be coated is coated with a silicon resin or an alkyd resin and subjected to a surface treatment for improving the peelability. 6. The multilayer ceramic electronic component according to claim 1, wherein the adhesive layer contains 0.01% to 15% by weight of a charging aid with respect to the binder. Method for manufacturing a laminate unit. A release layer, an electrode layer, a spacer layer having a pattern complementary to the electrode layer, an adhesive layer, and a ceramic green sheet are laminated on the surface of the first support sheet, and the release layer, the electrode layer, and the spacer layer are laminated. A step of forming a laminate unit including the adhesive layer and the ceramic green sheet, a step of forming an adhesive layer on the surface of the second support sheet, and the adhesion formed on the second support sheet The surface of the layer and the surface of the ceramic green sheet of the laminate unit are pressed and pressed to transfer the adhesive layer to the surface of the ceramic green sheet; from the adhesive layer, the second A step of peeling the support sheet, and an intermediate sheet having irregularities with a height of 1 μm to 10 μm formed on at least one surface, the at least one surface being A step of adhering to the surface of the adhesive layer so as to be in contact with the adhesive layer; and winding up the laminate unit in which the adhesive layer and the intermediate sheet are laminated on the surface of the green sheet; The manufacturing method of the laminated body unit set for multilayer ceramic electronic components containing the process of forming, The multilayer unit containing at least 1 laminated body unit characterized by the above-mentioned. A ceramic green sheet, an adhesive layer, an electrode layer, a spacer layer having a pattern complementary to the electrode layer, and a release layer are laminated on the surface of the first support sheet, and the ceramic green sheet, the adhesive layer, and the electrode Forming a laminate unit including a layer, the spacer layer, and the release layer, forming an adhesive layer on the surface of the second support sheet, and the adhesion formed on the second support sheet A step of bringing the surface of the layer and the surface of the release layer of the laminate unit into close contact, pressurizing, and transferring the adhesive layer to the surface of the release layer; and from the adhesive layer, the second support A step of peeling the sheet, and an intermediate sheet in which irregularities having a height of 1 μm to 10 μm are formed on at least one surface, the adhesive layer so that the at least one surface is in contact with the adhesive layer At least a step of adhering to the surface of the release layer, and a step of winding up the laminate unit in which the adhesive layer and the intermediate sheet are laminated on the surface of the release layer to form a laminate unit roll. A method for manufacturing a multilayer unit set for a multilayer ceramic electronic component including one multilayer unit. 9. The method for producing a multilayer unit set for a multilayer ceramic electronic component according to claim 7, wherein unevenness of 1 μm to 5 μm is formed on the surface of the intermediate sheet. The surface of the second support sheet on which the adhesive layer is to be formed is subjected to a surface treatment for improving peelability, and the second support is applied to the surface of the intermediate sheet to be adhered to the adhesive layer. The method for producing a multilayer unit set for a multilayer ceramic electronic component according to any one of claims 7 to 9, wherein a surface treatment equivalent to that applied to the surface of the sheet is performed. The surface of the second support sheet on which the adhesive layer is to be formed is coated with a silicon resin or an alkyd resin, and a surface treatment is applied to improve the peelability, and the surface is attached to the adhesive layer of the intermediate sheet. The method for producing a multilayer unit set for a multilayer ceramic electronic component according to claim 10, wherein the surface to be coated is coated with a silicon resin or an alkyd resin, and a surface treatment for improving peelability is performed. . 12. The multilayer ceramic electronic component according to claim 7, wherein the adhesive layer contains 0.01% to 15% by weight of a charging aid with respect to the binder. Method for manufacturing a laminate unit. A step of forming an adhesive layer on the surface of the first support sheet, and a release layer, an electrode layer, a spacer layer having a pattern complementary to the electrode layer, an adhesive layer, and a ceramic green sheet were laminated and formed. Adhering the surface of the ceramic green sheet located on the surface of the laminate unit set having at least one laminate unit on the second support sheet and the adhesive layer formed on the surface of the first support sheet And pressurizing and transferring the adhesive layer to the surface of the ceramic green sheet; peeling the first support sheet from the adhesive layer; and at least one surface having a height of 1 μm to Attaching the intermediate sheet on which the irregularities of 10 μm are formed to the surface of the adhesive layer such that the at least one surface is in contact with the adhesive layer; A step of winding the laminate unit set in which the adhesive layer and the intermediate sheet are laminated on the surface of the lean sheet to form a laminate unit set roll, and the laminate unit set roll from the laminate unit set roll A step of peeling the intermediate sheet from the adhesive layer of the laminate unit set fed from the laminate unit set roll, and a green sheet sheet and an adhesive layer on the surface of the third support sheet The electrode layer, the spacer layer having a pattern complementary to the electrode layer, and the release layer are brought into close contact with the surface of the release layer of the laminate unit laminated in this order and the adhesive layer of the laminate unit set. Pressurizing and bonding the adhesive layer to the surface of the release layer of the laminate unit; and A step of peeling the third support sheet from the green sheet to prepare a laminate unit set including at least two laminate units on the second support sheet; The manufacturing method of the laminated body unit set for multilayer ceramic electronic components containing the process of winding up a laminated body unit set including the at least 2 laminated body unit characterized by the above-mentioned. Formed by laminating a step of forming an adhesive layer on the surface of the first support sheet, a ceramic green sheet, an adhesive layer, an electrode layer, a spacer layer having a pattern complementary to the electrode layer, and a release layer The surface of the release layer located on the surface of the laminate unit set including at least one laminate unit on the second support sheet is brought into close contact with the adhesive layer formed on the surface of the first support sheet. Pressurizing and transferring the adhesive layer to the surface of the release layer; peeling the first support sheet from the adhesive layer; and at least one surface having a height of 1 μm to 10 μm Attaching the intermediate sheet on which the irregularities are formed to the surface of the adhesive layer such that the at least one surface is in contact with the adhesive layer; and A step of winding the laminate unit set on which the inter-sheets are laminated to form a laminate unit set roll, a step of feeding the laminate unit set from the laminate unit set roll, and the laminate unit set roll A step of peeling the intermediate sheet from the adhesive layer of the laminate unit set drawn out from a spacer, and a spacer having a pattern complementary to the peeling layer, the electrode layer, and the electrode layer on the surface of the third support sheet A layer, an adhesive layer, and a green sheet sheet are laminated in this order, the surface of the ceramic green sheet of the laminate unit and the adhesive layer of the laminate unit set are brought into close contact with each other and pressurized, and the adhesive layer is Adhering to the surface of the ceramic green sheet of the laminate unit, and before the laminate unit A step of peeling the third support sheet from the release layer to produce a laminate unit set including at least two laminate units on the second support sheet; and the laminate unit thus produced The manufacturing method of the laminated body unit set for multilayer ceramic electronic components containing the step of winding up a set characterized by including the at least 2 laminated body unit characterized by the above-mentioned. 15. The method for producing a multilayer unit set for a multilayer ceramic electronic component according to claim 13, wherein unevenness of 1 μm to 5 μm is formed on the surface of the intermediate sheet. The surface on which the adhesive layer of the first support sheet is to be formed is subjected to a surface treatment for improving peelability, and the first support is applied to the surface of the intermediate sheet to be attached to the adhesive layer. The method for producing a multilayer unit set for a multilayer ceramic electronic component according to any one of claims 13 to 15, wherein a surface treatment equivalent to that applied to the surface of the sheet is performed. The surface of the first support sheet on which the adhesive layer is to be formed is coated with a silicon resin or an alkyd resin, and subjected to a surface treatment for improving the peelability, and is attached to the adhesive layer of the intermediate sheet. The method for producing a multilayer unit set for a multilayer ceramic electronic component according to claim 16, wherein the surface is coated with a silicon resin or an alkyd resin and subjected to a surface treatment for improving the peelability. . 18. The multilayer ceramic electronic component according to claim 13, wherein the adhesive layer contains 0.01% to 15% by weight of a charging aid with respect to the binder. Method for manufacturing a laminate unit set of

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