WO2004095479A1 - 積層電子部品用の積層体ユニットの製造方法 - Google Patents
積層電子部品用の積層体ユニットの製造方法 Download PDFInfo
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- WO2004095479A1 WO2004095479A1 PCT/JP2004/005200 JP2004005200W WO2004095479A1 WO 2004095479 A1 WO2004095479 A1 WO 2004095479A1 JP 2004005200 W JP2004005200 W JP 2004005200W WO 2004095479 A1 WO2004095479 A1 WO 2004095479A1
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- layer
- support sheet
- sheet
- electrode layer
- ceramic green
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
- H01G4/308—Stacked capacitors made by transfer techniques
Definitions
- the present invention relates to a method for manufacturing a laminate unit for a multilayer electronic component, and more specifically, to prevent deformation and destruction of a ceramic green sheet and to allow a solvent in an electrode paste to permeate the ceramic green sheet.
- the present invention relates to a method for producing a laminated unit for a laminated ceramic electronic component, which can produce a laminated unit in which a ceramic drain sheet and an electrode layer are laminated, as desired. .
- a ceramic powder In order to manufacture multilayer ceramic electronic components represented by multilayer ceramic capacitors, first, a ceramic powder, a binder such as acrylic resin and petital resin, and phthalate esters, glycols, adipic acid, and phosphate esters A dielectric paste is prepared by mixing and dispersing a plasticizer and an organic solvent such as toluene, methyl ethyl ketone, and acetone.
- a binder such as acrylic resin and petital resin, and phthalate esters, glycols, adipic acid, and phosphate esters
- a dielectric paste is prepared by mixing and dispersing a plasticizer and an organic solvent such as toluene, methyl ethyl ketone, and acetone.
- the dielectric paste is applied on a support sheet made of polyethylene terephthalate (PET), polypropylene (PP), or the like using an extrusion coating coater / gravure coater, heated, and coated.
- the film is dried to produce a ceramic green sheet.
- an electrode layer such as nickel is placed on the ceramic green sheet.
- the string is printed in a predetermined pattern using a screen printer or the like, and dried to form an electrode layer.
- 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 and pressurized, and the obtained laminate is cut into chips to produce a green chip.
- the binder is removed from the green chip, the green chip is fired, and external electrodes are formed, thereby producing a multilayer ceramic electronic component such as a multilayer ceramic capacitor.
- the thickness of the ceramic Darling sheet which determines the interlayer thickness of the multilayer ceramic capacitor, be 3 ⁇ m or 2 ⁇ m or less. It is required to laminate a laminate unit including at least 300 ceramic dust sheets and electrode layers.
- Japanese Patent Application Laid-Open No. 63-51616 / 1994 and Japanese Patent Application Laid-Open No. 3-250612 / 1999 discloses that an internal electrode pattern paste is printed on another support sheet to form an electrode layer. It proposes a method in which the electrode layer is dried after formation, and the dried electrode layer is thermally transferred to the surface of the ceramic green sheet.
- the dried electrode layer is transferred to the surface of the ceramic green sheet by heat transfer.
- the ceramic green sheet and the electrode layer are deformed, and in some cases, the ceramic green sheet partially breaks down.
- the present invention can prevent deformation and breakage of the ceramic green sheet, prevent the solvent in the electrode paste from seeping into the ceramic green sheet, and form the ceramic green sheet and the electrode layer. It is an object of the present invention to provide a method of manufacturing a laminated unit for a laminated ceramic electronic component, in which a laminated unit can be produced as desired.
- the object of the present invention is to provide a step of forming a ceramic green sheet on a surface of a first support sheet, a surface treatment area on which a surface treatment for improving releasability has been performed, and a surface treatment on both sides thereof.
- the ceramic green sheet is transferred to the surface of the internal electrode layer via the adhesive layer adhered to the surface of the internal electrode layer. Can be transferred to the surface of the internal electrode layer including the electrode layer and the spacer layer, so that deformation and destruction of the ceramic green sheet can be reliably prevented, and the ceramic green sheet, the electrode layer and the It becomes possible to manufacture a laminate unit including a spacer layer.
- an internal electrode layer including an electrode layer and a spacer layer is formed on the surface of the second support sheet, dried, and then placed on a ceramic green via an adhesive layer. Since it is configured to adhere to the surface of the sheet, the solvent in the electrode paste can reliably prevent the binder component of the ceramic green sheet from dissolving or swelling, and at the same time, the ceramic green sheet It is possible to reliably prevent the electrode paste from seeping into the sheet, and to manufacture a laminate unit including the ceramic green sheet, the electrode layer, and the spacer layer.
- the adhesive layer is formed on the surface of the third support sheet, dried, and then transferred to the surface of the internal electrode layer including the electrode layer and the spacer layer.
- the adhesive solution is surely prevented from permeating into the electrode layer and the spacer layer, and the ceramic green sheet and the laminate unit including the electrode layer and the spacer layer are manufactured. It becomes possible.
- the adhesive layer is formed on the surface of the third support sheet, dried, and then transferred to the surface of the internal electrode layer including the electrode layer and the spacer layer, Since the ceramic green sheet is bonded to the internal electrode layer via the adhesive layer, the adhesive solution is reliably prevented from permeating into the ceramic green sheet, and the ceramic dust sheet is prevented. Then, it becomes possible to manufacture a laminated unit including the electrode layer and the spacer layer.
- the surface of the electrode layer and the surface of the ceramic green sheet not having the electrode layer are 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, but according to the present invention, the surface of the release layer.
- the spacer layer is formed in a pattern complementary to the electrode layer, a large number of the resulting multilayered sheets may be laminated to cause deformation of the manufactured laminated body. Can be effectively prevented, and the occurrence of delamination can be effectively prevented.
- the laminate unit applies a dielectric paste to the surface of the first support sheet that is continuously conveyed to form a ceramic green sheet, and the second conveyed sheet that is continuously conveyed.
- a dielectric paste is applied to the surface of the support sheet to form a release layer, and the electrode paste and the dielectric paste are applied to the surface of the release layer formed on the second support sheet that is continuously conveyed.
- the first support sheet and the first support sheet are formed by applying an adhesive solution to the surface of the third support sheet that is continuously conveyed by printing the internal electrode layer. While continuously transporting the third support sheet, the surface of the internal electrode layer formed on the second support sheet and the surface of the adhesive layer formed on the third support sheet are brought into contact with each other and pressurized.
- the support sheet is peeled off, the first support sheet and the second support sheet are continuously conveyed, and the surface of the ceramic Darin sheet formed on the first support sheet and on the second support sheet
- the surface of the internal electrode layer formed in this manner is brought into contact with an adhesive layer through an adhesive layer, and then pressurized, and the ceramic drain sheet and the internal electrode layer are bonded together through the adhesive layer.
- the first support sheet, the second support sheet, or the third support sheet is conveyed using the sheet conveyance mechanism, the first support sheet, the second support sheet, or the second support sheet is not used. It is impossible to completely prevent the third support sheet from meandering, and meandering of ⁇ ⁇ ( ⁇ is a positive number and a value specific to the sheet transport mechanism) is inevitable.
- a dielectric paste is applied to the surface of the first support sheet to form a ceramic green sheet so that the width of the ceramic green sheet is equal to the width of the adhesive layer, and the surface of the third support sheet is formed.
- the adhesive solution is applied to form an adhesive layer, when the ceramic green sheet and the internal electrode layer are bonded via the adhesive layer, the adhesive layer is formed in the width direction.
- the adhesive layer adheres to the first support sheet and peels off the first support sheet, the adhesive layer may peel off together with the first support sheet, and the ceramic green sheet may also peel off.
- the adhesive solution is applied to the surface of the third support sheet and the ceramic green formed on the surface of the first support sheet is used. At least 2 ⁇ wider than the release layer and the inner electrode layer formed on the surface of the sheet and the second support sheet, and wider than the surface treatment area of the second support sheet. In addition, it is configured so that the adhesive layer is formed by applying at least 2 ⁇ so that the width becomes wide.
- the first support sheet and the second support sheet Meanwhile, when the ceramic green sheet and the internal electrode layer are bonded via the adhesive layer, the first support sheet and / or the second support sheet meanders in the range of the soil ⁇ , and the adhesive layer becomes Even if it adheres to the first support sheet, it is possible to reliably prevent the adhesive layer from peeling off together with the first support sheet when the first support sheet is peeled off.
- the bonding layer always exists outside the ceramic green sheet in the width direction. Then, since the entire surface of the ceramic Darline sheet is adhered to the adhesive layer, when the first support sheet is peeled off from the ceramic green sheet, it is necessary to prevent the ceramic green sheet from peeling off together with the first support sheet. It is possible to surely prevent it.
- the adhesive solution When the adhesive solution is applied to the surface of the third support sheet in the same width as that of the third support sheet to form an adhesive layer, the adhesive solution is formed on the surface of the second support sheet.
- the adhesive layer When transferring the adhesive layer to the surface of the internal electrode layer, the adhesive layer is located outside the second support sheet due to the meandering of the second support sheet and / or the third support sheet. As a result, the adhesive layer adheres to the transfer roller, and the adhesive layer is transferred to the surface of the internal electrode layer as desired. In addition to not being able to copy, the transfer roller may be contaminated.
- the adhesive solution is applied to the surface of the third support sheet in a narrower width than the third support sheet by at least 2 ⁇ ( ⁇ is a positive number), Since the adhesive layer is formed, when the adhesive layer is transferred to the surface of the internal electrode layer formed on the surface of the second support sheet, the second support sheet or the third support sheet is used. Even if the sheet meanders, the adhesive layer can be securely adhered to the surface of the internal electrode layer, and therefore, it can be reliably prevented that the adhesive layer adheres to the surface of the transfer roller become.
- the front surface of the second support sheet, the electrode paste and a dielectric paste, the than the surface treatment region, at least by 2 alpha, printed on wide, said It is configured to form an internal electrode layer.
- the electrode paste and the dielectric paste are printed on the surface of the second support sheet at least 2 ⁇ wider than the surface treatment area to form an internal electrode layer. Therefore, the internal electrode layer firmly adheres to the non-surface-treated area that has not been subjected to the surface treatment to improve the peelability of the second support sheet, and accordingly When the first support sheet is peeled off from the ceramic green sheet, the internal electrode layer can be reliably held in a state of being adhered to the surface of the second support sheet.
- a dielectric paste is applied on the surface of the second support sheet to be wider by at least 2 ⁇ than the surface treatment area, and the release layer is formed. forming a, the second surface of the support sheet, the electrode paste and a dielectric paste, than the peeling layer, by at least 2 alpha, printed on wide, so that form the internal electrode layer Is configured.
- the surface of the second support sheet A dielectric paste is applied to the surface at least 2 a wider than the surface treatment area to form a release layer, and an electrode paste and a dielectric paste are applied to the surface of the second support sheet.
- the release layer can improve the releasability of the second support sheet.
- the inner electrode layer is firmly adhered to the non-surface treated area where the surface treatment is not applied, and the inner electrode layer is firmly adhered to the non-surface treated area where the surface treatment for improving the peelability of the second support sheet is not performed. Therefore, when the first support sheet is peeled off from the ceramic green sheet, the internal electrode layer and the release layer are surely kept in a state of being bonded to the surface of the second support sheet. Is possible That.
- the dielectric paste is applied to the surface of the second support sheet, and the area is in the surface treatment area and the release layer is to be formed.
- the first support sheet, the ceramic green sheet, the adhesive layer, the internal electrode layer, the release layer and the second support sheet are subjected to slit processing. It is configured.
- a dielectric paste is applied to the surface of the second support sheet, and the dielectric paste is applied to the surface of the second support sheet in the surface treatment region, where the release layer is to be formed. Since the first support sheet, the ceramic green sheet, the adhesive layer, the internal electrode layer, the release layer, and the second support sheet are subjected to slit processing on the inner side, the first support sheet is formed.
- the surface of the first support sheet is subjected to a surface treatment for improving the releasability, and the ceramic green sheet is applied to the surface-treated portion. Is formed.
- the surface of the first support sheet is subjected to a surface treatment for improving the releasability, and the ceramic green sheet is formed on the surface-treated portion. Therefore, the first support sheet can be peeled from the ceramic green sheet as desired.
- a dielectric paste used to form a ceramic green sheet is usually prepared by kneading a dielectric raw material and an organic vehicle in which a binder is dissolved in an organic solvent.
- the dielectric material is appropriately selected from various compounds to be a composite oxide or an oxide, for example, a carbonate, a nitrate, a hydroxide, an organometallic compound, and the like, and can be used by mixing these.
- the dielectric material is usually used as a powder having an average particle size of about 0.0 to about 3.0 ⁇ m.
- the particle size of the dielectric material is preferably smaller than the thickness of the ceramic green sheet.
- the binder used for the organic vehicle is not particularly limited, and various ordinary binders such as ethyl cellulose, polyvinyl butyral, and acrylic resin can be used.However, in order to make the ceramic green sheet thinner, Butyral-based resins such as polyvinyl butyral are preferably used.
- the organic solvent used for the organic vehicle is not particularly limited, and organic solvents such as terbineol, butyl carbitol, acetone, and toluene are used.
- the dielectric paste can also be produced by kneading a dielectric material and a vehicle in which a water-soluble pinda is dissolved in water.
- the water-soluble binder is not particularly limited, and polyvinyl alcohol, methylcellulose, hydroxyshethylcellulose, water-soluble acrylic resin, emulsion and the like are used.
- the dielectric paste may contain additives selected from various dispersants, plasticizers, dielectrics, subcomponent compounds, glass frit, insulators and the like. When these additives are added to the dielectric paste, the total content is desirably about 10% by weight or less.
- the content of the plasticizer 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 formed ceramic green sheet tends to be brittle. If the amount is too large, the plasticizer oozes out and handling becomes difficult, which is not preferable.
- the ceramic green sheet is produced by applying a dielectric paste to the surface of the first support sheet and drying it.
- the ceramic green sheet is formed by applying a dielectric paste on the surface of the first support sheet to be narrower by at least 2 ⁇ than the first support sheet, Preferably, a dielectric paste is applied to the surface of the first support sheet so as to have the same width as an internal electrode layer described later.
- the value of ⁇ varies depending on the sheet transport mechanism used to transport the sheet, but is usually about 1 mm to 2 mm.
- the width of the first support and sheet is usually about 100 mm to 400 mm.
- the dielectric paste is applied on the first support sheet using an extrusion coater, a wire bar coater, or the like, to form a coating film.
- the first support sheet 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 to improve releasability.
- the thickness of the first support sheet is not particularly limited, but is preferably about 5 im to about 100 ⁇ m.
- the coating 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 support is formed on the first support sheet. A green sheet is formed.
- the thickness of the ceramic green sheet after drying is preferably 3 ⁇ m or less, more preferably 1.5 ⁇ m or less.
- 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.
- the second support sheet 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 the releasability.
- a region is formed, in the present invention, the surface treatment for improving the releasability is provided on the surface of the second support sheet on both sides of the surface treatment region subjected to the surface treatment for improving the releasability.
- a non-surface-treated area not subjected to the treatment is formed.
- the second support sheet has substantially the same width as the first support sheet.
- 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. ⁇ m to approx. 100 ⁇ m m.
- a dielectric paste is prepared and applied on the second support sheet, A release layer is 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, 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.
- 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 dust sheet, but must be the same. Is preferred.
- the dielectric paste for forming the release layer is preferably from about 2.5 parts by weight to about 200 parts by weight, and more preferably from about 2.5 parts by weight, based on 100 parts by weight of the dielectric particles. It contains from about 10 parts by weight to about 30 parts by weight, particularly preferably from about 8 parts by weight to about 30 parts by weight of the 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 peeling layer is 100 parts by weight of Pinda. About 0 to about 200 parts by weight, preferably about 20 to about 200 parts by weight, more preferably about 50 to about 100 parts by weight. Contains 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 used in an amount of about 0 parts by weight to about 100 parts by weight, preferably about '2 parts by weight to about 50 parts by weight, based on 100 parts by weight of the binder. Preferably, it contains from about 5 parts to about 20 parts by weight of a release agent.
- the content ratio of the binder to the dielectric contained in the release layer is equal to or lower than the content ratio of the binder to the dielectric contained in the ceramic green sheet. Further, the content ratio of the plasticizer to the dielectric contained in the release layer is preferably equal to or higher than the content ratio of the plasticizer to the dielectric contained in the ceramic green sheet. Further, the content ratio of the release agent to the dielectric contained in the release layer is preferably higher than the content ratio of the release agent to the dielectric contained in the ceramic green sheet.
- the strength of the release layer can be made lower than the rupture strength of the green sheet even if the ceramic green sheet is extremely thinned. When peeling off the ceramic green sheet, it is possible to reliably prevent the ceramic green sheet from being broken.
- the release layer is formed by applying a dielectric paste on the second support sheet using a wire bar coater or the like.
- the release layer has a dielectric paste on the surface of the second support sheet, the dielectric paste being at least two folds narrower than the second support sheet, having a smaller width, and having a smaller width than the surface treatment area. also, both only 2 alpha small, is applied to broad, it is formed.
- the release layer is formed such that the dielectric paste is formed on the surface of the second support sheet at least 4 a narrower than the second support sheet, and is narrower than the surface treatment area. Is formed by applying at least 4 ⁇ in a wide area.
- 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 the thickness of the electrode layer. About 30% or less.
- the release layer is dried, for example, at about 50 ° C. to about 100 ° C. for about 1 minute to about 10 minutes.
- an electrode layer is formed in a predetermined pattern on the surface of the release layer.
- the electrode paste used to form the electrode layer includes: a conductive material made of various conductive metals and alloys; various oxides that become a conductive material made of various conductive metals and alloys after firing; It is prepared by kneading an organic metal compound or a resinate and an organic vehicle in which a binder is dissolved in an organic solvent.
- the conductive material used for manufacturing the electrode paste Ni, Ni alloy or a mixture thereof is preferably used.
- the shape of the conductive material is not particularly limited, and may be spherical, scale-like, or a mixture of these shapes.
- the average particle size of the conductive material is not particularly limited, but is generally about 0.1 ⁇ m, about 2 / m, preferably about 0.21! A 1 m conductive material is used.
- the pinda used in the organic vehicle is not particularly limited, and may be ethyl cellulose, acrylic resin, polyvinyl butyral, polyvinylinorecetanolle, polyvinyl alcohol, polyolefin, polyurethane, polystyrene, or These copolymers and the like can be used.
- a petyral-based pinda such as polyvinyl butyral is preferably used.
- the cost preferably includes about 2.5 parts by weight to about 20 parts by weight of binder, based on 100 parts by weight of the conductive material.
- the solvent for example, known solvents such as terbineol, butyl carbitol, and kerosene can be used.
- the content of the solvent is preferably about 20% by weight to about 55% by weight based on the whole electrode paste.
- the electrode paste contains a plasticizer.
- the plasticizer contained in the electrode paste is not particularly limited, and examples thereof include ester phthalate such as benzyl butyl phthalate (BBP), adipic acid, phosphate, and glycols.
- the electrode paste preferably contains about 10 parts by weight to about 300 parts by weight, and more preferably about 10 parts by weight to about 200 parts by weight of a plasticizer, based on 100 parts by weight of the binder. It is preferred to include.
- the amount of the plasticizer is too large, the strength of the electrode layer tends to be significantly reduced, 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 Daravia printing machine.
- the thickness of the electrode layer is preferably about 0.1 ⁇ m to about 5 ⁇ m, more preferably about 0.1111 to about 1.5 ⁇ m. .
- a printing machine such as a screen printing machine or a gravure printing machine is used to further complement the electrode layer.
- a dielectric paste is printed to form a spacer layer.
- a spacer layer may be formed on the surface of the release layer formed on the second support sheet in a pattern complementary to the electrode layer.
- the dielectric paste used to form the spacer layer is prepared in the same manner as the dielectric paste used to form 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.
- binder for example, an acrylic resin, polyvinyl alcohol, 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 dust sheet, but it is the same. Is preferred.
- 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, based on 100 parts by weight of the dielectric particles. It contains from about 5 parts by weight to about 15 parts by weight, particularly preferably from about 6 parts by weight to about 10 parts by weight of pinda.
- the plasticizer contained in the dielectric paste for forming the spacer layer is not particularly limited, and examples thereof include phthalate esters, adipic acid, phosphate esters, 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 2 parts by weight, based on 100 parts by weight of the binder. It contains from 0 to about 200 parts by weight, more preferably from about 50 to about 100 parts by weight of a 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, based on 100 parts by weight of the binder. More preferably, it contains from about 5 parts to about 20 parts by weight of a release agent.
- the internal electrode layer is formed by the electrode layer and the spacer layer.
- an electrode base dielectric paste is provided on the surface of the second support sheet with a width at least 2 ct narrower than that of the second support sheet. than the processing region, only the least 2 alpha, printed on wide, internal electrode layers including an electrode layer and the spacer layer is made form, more preferably, a surface of the second support sheet, the electrode paste
- the inner electrode layer is formed by printing the paste and the dielectric paste at least 2 ⁇ wider than the release layer.
- the internal electrode layer is provided on the surface of the second support sheet so that the electrode paste and the dielectric paste have substantially the same width as the ceramic green sheet. Coated and formed.
- the electrode layer and the spacer layer are preferably 0.7 ⁇ ts / te ⁇ 1.3 (ts is the thickness of the spacer layer, and t • e is the electrode layer. . More preferably, it is formed so as to satisfy 0.9 ts Zte ⁇ l. S, more preferably 0.9 ts / te ⁇ 1.1.
- 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, the electrode layer and the spacer layer are bonded via an adhesive layer, and a third support sheet is prepared to form the adhesive layer.
- the third support sheet for example, a polyethylene terephthalate film or the like is used, and the surface thereof is coated with a silicone resin, an alkyd resin, or the like to improve the releasability.
- the thickness of the third support sheet is not particularly limited, but is preferably about 5 ⁇ m to about 100 / m.
- the third support sheet has substantially the same width as the second support sheet, and thus has substantially the same width as the first support sheet.
- the adhesive layer is formed by applying an adhesive solution on the third support sheet.
- the adhesive solution contains a binder and, as optional components, a plasticizer, a release agent and an antistatic agent.
- the adhesive solution may include dielectric particles having the same composition as the dielectric particles contained in the ceramic green sheet.
- the ratio of the dielectric particles to the binder weight is preferably smaller than the ratio of the dielectric particles contained in the ceramic dust sheet to the binder weight.
- the binder contained in the adhesive solution is preferably of the same type as 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 is preferred. It does not need to be related to.
- 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 is contained in the dielectric paste for forming the ceramic green sheet. It may not be the same as the plasticizer.
- the content of the plasticizer is about 0 parts by weight with respect to 100 parts by weight of Pinda.
- the amount is about 200 parts by weight, preferably about 20 parts by weight to about 200 parts by weight, and more preferably about 50 parts by weight to about 100 parts by weight.
- the adhesive solution preferably contains from 0.01% to 15% by weight of the binder, and more preferably from 0.01% to 10% by weight of the binder.
- Contains an antistatic agent In the present invention, the antistatic agent contained in the adhesive solution may be any organic solvent having a hygroscopic property. Examples thereof include ethylene glycol; polyethylene glycol; 2-3 butanediol; glycerin; and imidazoline-based surfactant.
- An amphoteric surfactant such as a surfactant, a polyalkylene glycol derivative-based surfactant, or an amidine salt of a carboxylic acid salt can be used as the antistatic agent contained in the adhesive solution.
- antistatic agents it is possible to prevent static electricity with a small amount and to peel off the third support sheet from the adhesive layer with a small peeling force.
- amphoteric surfactants such as surfactants, polyalkylene glycol derivative surfactants, and carboxylic acid amidine salt surfactants.
- the imidazoline surfactants have a particularly small peeling force and can be used to remove the adhesive layer from the adhesive layer. This is particularly preferable because the third support sheet can be peeled off.
- the adhesive solution is applied on the third support sheet by, for example, a per coater, an extrusion coater, a repers coater, a dip coater, a kiss coater, or the like, preferably from about 0.02 ⁇ to about 0.3; um. More preferably, an adhesive layer having a thickness of about 0.1 to about 0.1 / zm is formed. When the thickness of the adhesive layer is less than about 0.02111, the adhesive strength is reduced. On the other hand, when the thickness of the adhesive layer exceeds about 0.3 ⁇ , defects (gaps) are generated. Causes and is not preferred.
- the adhesive solution is applied to the surface of the third support sheet with a width smaller than that of the third support sheet by at least 2 ⁇ ( ⁇ is a positive number).
- the ceramic green sheet formed on the surface and the release layer and internal electrode layer formed on the surface of the second support sheet.
- the adhesive layer is formed.
- the adhesive layer is dried, for example, at 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 the spacer layer formed on the second support sheet.
- the second support sheet and the third support sheet may be pressed by a pair of pressure rollers, or may be pressed by a press machine or by a pair of pressure rollers. It is preferable to press.
- the ceramic green sheet is bonded to the electrode layer and the spacer layer via a force bonding layer.
- a ceramic green sheet is formed using a pair of pressure rollers.
- the ceramic green sheet and the spacer layer and the electrode layer are bonded to each other via the bonding layer by pressing the metal layer, the adhesive layer, the electrode layer, and the spacer layer.
- the first support sheet is peeled off from the ceramic dusty sheet.
- the adhesive layer is transferred to the surface of the ceramic dust sheet 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.
- the laminate thus obtained was cut into a predetermined size, and a release layer, an electrode layer, a spacer layer, an adhesive layer, a ceramic green sheet, and an adhesive layer were laminated on the second support sheet.
- a laminated unit is produced.
- the support is fixed on the substrate, and the laminate cut is placed so that the adhesive layer formed on the ceramic green sheet is in close contact with the surface of the support. Is positioned and pressure is applied on the laminate unit.
- the support for example, a polyethylene terephthalate film or the like is used.
- the thickness of the support is not particularly limited as long as the thickness can support the laminate unit.
- the second support sheet is released from the release layer.
- a new laminate unit is bonded to the support such that the adhesive layer formed on the surface of the ceramic green sheet is in close contact with the release layer of the laminate unit bonded to the support.
- the new laminate unit is positioned on the unit and pressed and supported against the substrate A new laminated unit is laminated on the laminated unit which is adhered to the body.
- the second support sheet of the newly laminated unit is separated from the release layer.
- a predetermined number of laminated units are laminated to produce a laminated block, and a prescribed number of laminated blocks are laminated to produce a laminated ceramic electronic component.
- FIG. 1 is a schematic cross-sectional view showing a state where a ceramic green sheet is formed on the surface of a first support sheet.
- FIG. 2 is a schematic cross-sectional view of a second support sheet having a release layer formed on its surface.
- FIG. 4 is a schematic sectional view of an adhesive layer sheet having an adhesive layer formed on the surface of a third support sheet.
- FIG. 5 shows that the adhesive layer formed on the third support sheet is bonded to the surface of the internal electrode layer including the electrode layer and the spacer layer formed on the second support sheet.
- FIG. 4 is a schematic cross-sectional view showing a preferred embodiment of an adhesive / peeling device for peeling a third support sheet from the third embodiment.
- FIG. 6 shows that the adhesive layer was adhered to the surface of the internal electrode layer including the electrode layer and the spacer layer formed on the second support sheet, and the third support sheet was peeled off from the adhesive layer It is an approximate partial sectional view showing a state.
- FIG. 7 is a schematic cross-sectional view showing a preferred embodiment of a bonding apparatus for bonding an electrode layer and a spacer layer to a surface of a ceramic green sheet via a bonding layer.
- Fig. 8 shows the ceramic green sheet and the internal electrode layer bonded to each other via the adhesive layer to form the first support sheet, ceramic durine sheet, adhesive layer, internal electrode layer, release layer and second layer.
- FIG. 4 is a schematic partial cross-sectional view showing a state where a slit processing has been performed on a laminate including the supporting sheet.
- FIG. 9 is a schematic cross-sectional view of a laminate unit in which a release layer, an electrode layer, a spacer layer, an adhesive layer, a ceramic green sheet, and an adhesive layer are laminated on a second support sheet.
- FIG. 10 is a schematic partial cross-sectional view showing a first step of a lamination process of a laminated unit.
- FIG. 11 is a schematic partial cross-sectional view showing a second step of the lamination process of the laminated unit.
- FIG. 12 is a schematic partial cross-sectional view showing a third step of the lamination process of the laminated unit.
- FIG. 13 is a schematic partial sectional view showing a fourth step of the lamination process of the laminated unit.
- FIG. 14 is a schematic partial cross-sectional view showing a fifth step of the lamination process of the laminated unit.
- FIG. 15 is a schematic partial cross-sectional view showing a first step of a lamination process for laminating a laminate block laminated on a support sheet fixed to a substrate on an outer layer of a multilayer ceramic capacitor. is there.
- Fig. 16 is a schematic partial cross-sectional view showing the second step of the lamination process of laminating the laminated block on the outer layer of the multilayer ceramic capacitor on the support sheet fixed to the substrate. It is.
- FIG. 17 is a schematic partial cross-sectional view showing a third step of a lamination process for laminating a laminate block laminated on a support sheet fixed to a substrate on an outer layer of a multilayer ceramic capacitor. is there.
- FIG. 18 is a schematic partial cross-sectional view showing a fourth step of a lamination process for laminating a laminate block laminated on a support sheet fixed to a substrate on an outer layer of a multilayer ceramic capacitor. is there. DESCRIPTION OF THE PREFERRED EMBODIMENTS OF THE INVENTION
- a dielectric paste is prepared for manufacturing a ceramic green sheet.
- the dielectric paste is usually prepared by kneading a dielectric material and an organic vehicle in which pinda is dissolved in an organic solvent.
- the prepared dielectric paste is coated on the first support sheet by using, for example, an ETAS truss coater or a wire bar coater to form a coating film.
- the coating is then dried, for example, at a temperature of about 50 ° C. to about 100 ° C. for about 1 minute to about 20 minutes to form a ceramic green sheet on the first support sheet. Is done.
- the thickness of the ceramic green sheet 2 after drying is preferably 3 ⁇ m or less, more preferably 1.5 m or less.
- the ceramic green sheet 2 is narrower by 4 ⁇ than the first support sheet, and has the same width as an internal electrode layer including an electrode layer and a spacer layer described later.
- a dielectric paste is applied to the surface of the first support sheet to form
- ⁇ is the maximum value of the meandering amount on one side generated when the sheet conveying mechanism conveys the sheet, and is a value unique to the sheet conveying mechanism. That is, in the present embodiment, when the first support sheet is continuously conveyed, the meandering of the first support sheet is suppressed within a range of ⁇ ⁇ .
- a sheet transport mechanism that transports one support sheet is controlled.
- the value of a varies depending on the sheet transport mechanism used to transport the sheet, but is usually about 1 mm to 2 mm.
- the width of the first support sheet is usually about 100 Om to 400 Om.
- FIG. 1 is a schematic sectional view showing a state where a ceramic green sheet is formed on the surface of a first support sheet.
- the first support sheet 1 has a long shape, and the ceramic Darline sheet 2 is formed continuously on the surface of the long first support sheet 1.
- 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 cross-sectional view of the second support sheet 4 having a release layer formed on its surface.
- the second support sheet 4 has a long shape, and the release layer 5 is formed continuously on the surface of the long second support sheet 4, and is formed on the surface of the release layer 5.
- the electrode layer 6 is formed in a predetermined pattern.
- the second support sheet 4 has substantially the same width as the first support sheet 1.
- the second support sheet 4 for example, a polyethylene terephthalate film or the like is used.
- 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 ⁇ m or less. Approximately 100 ⁇ m.
- the surface of the second support sheet 4 is coated with a silicon resin, an alkyd resin, or the like to improve the releasability. a .. Both sides of the surface treatment area 4 a are not subjected to surface treatment to improve peelability.
- the surface treatment area 4b is formed.
- a dielectric paste for forming the release layer 5 is prepared in the same manner as in forming the ceramic green sheet 2. You.
- 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. .
- the dielectric paste is applied on the second support sheet 4 using, for example, a wire bar coater (not shown), and the release layer 5 is formed.
- a dielectric paste is applied to the surface of the second support sheet 4 by a width 6 ⁇ smaller than that of the second support sheet 4, and
- the release layer is formed by applying the coating 2 ⁇ wider than the surface treatment area 4a.
- ⁇ is the maximum value of the meandering amount on one side generated when the sheet conveying mechanism conveys the sheet, and is a value unique to the sheet conveying mechanism. That is, in the present embodiment, when the second support sheet 4 is continuously conveyed, the second support sheet 4 is controlled so that the meandering of the second support sheet 4 is suppressed within a range of ⁇ ⁇ .
- the sheet transport mechanism that transports the support sheet 4 is controlled.
- FIG. 2 shows an ideal case where the meandering amount ⁇ of the second support sheet 4 during conveyance is controlled to be zero and the release layer 5 can be formed.
- the thickness of the release layer 5 is preferably not more than the thickness of the electrode layer 6, more preferably about 60% or less of the thickness of the electrode layer 6, and more preferably the thickness of the electrode layer 6. About 30% or less.
- the release layer 5 is, for example, about 50 ° C. to about 10 ° C. Dry at 0 ° C for about 1 to about 10 minutes.
- an electrode layer constituting the internal electrode layer is formed in a predetermined pattern on the surface of the release layer 5 after firing, and further, in a pattern complementary to the pattern of the electrode layer.
- a spacer layer is formed on the surface of the release layer 5 where no electrode layer is formed.
- FIG. 3 is a schematic cross-sectional view of the second support sheet 4 in which an electrode layer and a spacer layer are formed on the surface of a release layer 5.
- Electrode layer 6 In forming the electrode layer 6 on the surface of the release layer 5 formed on the second support sheet 4, first, a conductive material made of various conductive metals and alloys, and after firing, various conductive metals and alloys An electrode paste is prepared by kneading various oxides, organometallic compounds, resinate, or the like, which are to be conductive materials, and an organic vehicle in which pinda is dissolved in an organic solvent.
- Ni, Ni alloy or a mixture thereof is preferably used as the conductive material used for manufacturing the electrode paste.
- the average particle size of the conductive material is not particularly limited, but is generally about 0.1 ⁇ m, about 2 Atm, preferably about 0.2 ⁇ to about 1 ⁇ m.
- a conductive material is used.
- the electrode layer 6 is formed by printing the electrode paste on the release layer 5 using a printing machine such as a screen printing machine or a Daravia printing machine.
- the electrode layer 6 is preferably formed to a thickness of about 0.1 ⁇ m to about 5 ⁇ m, and more preferably, has a thickness of about 0.1111 to about 1.5 m. Formed.
- an electrode layer 6 having a predetermined pattern is formed on the surface of the release layer 5 by a screen printing method or a gravure printing method, the electrode layer 6 is formed on the surface of the release layer 5 where the electrode layer 6 is not formed.
- a spacer layer is formed in a pattern complementary to the above.
- the spacer layer 7 is formed on the surface of the release layer 5 before forming the electrode layer 6. Thus, it can be formed on the surface of the release layer 5 except for the portion where the electrode layer 6 is to be formed.
- a dielectric base having the same composition as the dielectric paste used when the ceramic green sheet 2 was produced was prepared, and was subjected to screen printing or gravure printing.
- a dielectric paste is printed on the surface of the release layer 5 where the electrode layer 6 is not formed in a pattern complementary to the pattern of the electrode layer 6.
- the internal electrode layer 8 is formed by the electrode layer 6 and the spacer layer 7, and in the present embodiment, as shown in FIG. 3, the internal electrode layer 8 is separated from the second support sheet 4. Also, the width of the second support sheet 4 is narrower by 4 ⁇ , wider than the release layer 5 by 2 ⁇ , and is substantially the same as the width of the ceramic green sheet 2. , Formed by printing electrode paste and dielectric paste.
- the portions near the both side edges of the internal electrode layer 8 are formed on the non-surface-treated area 4 b on which the surface treatment for improving the releasability of the second support sheet 4 has not been performed. .
- FIG. 2 shows an ideal case in which the meandering amount a of the second support sheet 4 during conveyance is controlled to zero, and the internal electrode layer 8 can be formed.
- t s is the thickness of the spacer layer 7
- t e is the thickness of the electrode layer 6.
- the ceramic green sheet 2, the electrode layer 6 and the spacer layer 7 are configured to be adhered via an adhesive layer, and the ceramic green sheet 2 is formed on the ceramic green sheet 2.
- a third support sheet is further provided, and a third support sheet is provided.
- An adhesive layer is formed thereon to produce an adhesive layer sheet.
- Fig. 4 shows the bonding with an adhesive layer formed on the surface of the third support sheet. It is a schematic sectional drawing of a layer sheet.
- the third support sheet 9 has a long shape, and the adhesive layer 10 is formed continuously on the surface of the long third support sheet 9.
- the third support sheet 9 has substantially the same width as the second support sheet 4, and thus has substantially the same width as the first support sheet 1. I have.
- the third support sheet 9 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 releasability.
- the thickness of the third support sheet 9 is not particularly limited, but is preferably 5 m to about 100 ⁇ m.
- an adhesive solution is prepared.
- the adhesive solution contains a binder, a plasticizer, an antistatic agent, and, as an optional component, a release agent.
- the adhesive solution may include dielectric particles having the same composition as the dielectric particles contained in the ceramic green sheet.
- 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 kind of binder as the binder contained in the dielectric paste for forming the ceramic green sheet, but is contained in the dielectric paste for forming the ceramic green sheet
- the binder may not be the same as the binder.
- the plasticizer contained in the adhesive solution is preferably a plasticizer similar to the plasticizer contained in the dielectric paste for forming the ceramic green sheet, but the plasticizer is preferably used in the dielectric paste for forming the ceramic green sheet.
- a plasticizer that is not the same as the binder contained may be used.
- the content of the plasticizer is about 0 to about 200 parts by weight, preferably about 20 to about 200 parts by weight, more preferably about 200 to about 200 parts by weight, based on 100 parts by weight of the binder. It is about 50 parts by weight to about 100 parts by weight.
- the adhesive solution contains 0.01% to 15% by weight of the binder of the antistatic agent.
- an imidazoline surfactant is used as the antistatic agent.
- the adhesive solution thus prepared is applied to the third support sheet 9 by, for example, a bar coater, an extension coating coater, a lease coater, a dip coater, a kiss coater, or the like, and preferably has a thickness of about 0.02 ⁇ m.
- An adhesive layer 10 having a thickness of about 0.3 / xm, more preferably about 0.02 ⁇ m to about 0.1 m is formed.
- the thickness of the adhesive layer 10 is less than about 0.02 ⁇ , the adhesive strength is reduced.
- the thickness of the adhesive layer 10 exceeds about 0.3 / zm, defects are generated. (Gap) may be generated, which is not preferable.
- the adhesive layer 10 is two sheets narrower than the third support sheet 9 and has a narrower width, and the ceramic green sheet 2 and the second green sheet formed on the surface of the first support sheet 1 are formed. It is wider by 2 ct than the release layer 5 and the internal electrode layer 8 formed on the surface of the support sheet 4, and is wider by 2 than the surface treatment area 4a of the second support sheet 4.
- the adhesive solution is applied to the surface of the third support sheet 9 to be formed.
- ⁇ is the maximum value of the meandering amount on one side generated when the sheet conveying mechanism conveys the sheet, and is a value unique to the sheet conveying mechanism.
- the third support sheet 9 when the third support sheet 9 is continuously conveyed, the third support sheet 9 is controlled so that the meandering of the third support sheet 9 is suppressed within the range.
- the sheet transport mechanism that transports the sheet 9 is controlled.
- FIG. 5 shows the adhesive layer 10 formed on the third support sheet 9 and the surface of the internal electrode layer 8 formed on the second support sheet 4 and including the electrode layer 6 and the spacer layer 7.
- FIG. 2 is a schematic cross-sectional view showing a preferred embodiment of an adhesive / peeling device for peeling off a third support sheet 9 from an adhesive layer 10 by adhering to the adhesive layer 10.
- the bonding / peeling apparatus includes a pair of pressure rollers 15-16 maintained at a temperature of about 40 ° C. to about 100 ° C. ing. .
- the third support sheet 9 on which the adhesive layer 10 is formed is pressed by the tensile force applied to the third support sheet 9 so that the third support sheet 9 is pressed upward.
- the second support sheet which is supplied between the pair of pressure rollers 15 and 16 from diagonally above so as to be wound around the pressure roller 15, and on which the electrode layer 6 and the spacer layer 7 are formed. 4, the second support sheet 4 contacts the lower pressure roller 16, the electrode layer 6 and the spacer layer 7 force S, and the adhesive layer 10 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.
- the supply speed of the second support sheet 4 and the third support sheet 9 is set to, for example, 2 m / sec, and the two-nip pressure of the pair of pressure rollers 15 and 16 is preferably It is set at about 0.2 to about 15 MPa, more preferably at about 0.2 to about 6 MPa.
- 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 formed on the second support sheet 4.
- the adhesive layer 10 is formed on the surface of the third support sheet 9 by applying an adhesive solution to the third support sheet 9 by 2 ⁇ narrower than the third support sheet 9. Therefore, when the adhesive layer 10 is formed, the third support sheet 9 meanders by the soil ⁇ , and when the adhesive layer 10 is transferred to the surface of the internal electrode layer 8, the second support sheet 9 Even if the fourth and third or third support sheet 9 meanders by ⁇ ⁇ , the adhesive layer 10 does not Sheet 4 can be reliably prevented from being located outside the sheet 4, and therefore, it is possible to reliably prevent the adhesive layer 10 from adhering to the surface of the transfer roller '16. Become.
- 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 Then, the third 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.
- the adhesive layer 10 is used in an amount of 0.01 to 15% by weight of the imidazoline based on the binder. Since it contains a surfactant, it is possible to effectively prevent the generation of static electricity.
- FIG. 6 shows that the adhesive layer 10 is adhered to the surface of the internal electrode layer 8 including the electrode layer 6 and the spacer layer 7 formed on the second support sheet 4 in this manner.
- FIG. 9 is a schematic partial cross-sectional view showing a state in which the third support sheet 9 has been peeled off. This shows an ideal case where control was possible.
- the adhesive layer 10 is formed to have a width narrower than the second support sheet 4 by ⁇ at both side edges, and to be smaller than the inner electrode layer 8.
- the adhesive layer 10 is formed to be wider than the release layer 5 by a width of 2 a, and the adhesive layer 10 is pressurized by a pair of pressure rollers 15 and 16. Outside the internal electrode layer 8, the adhesive is adhered to the non-surface-treated area 4 b on which the surface treatment for improving the releasability of the second support sheet 4 has not been performed.
- 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 off from the adhesive layer 10. Then, the electrode layer 6 and the spacer layer 7 are bonded to the surface of the ceramic Darline sheet 2 formed on the first support sheet 1 via the bonding layer 10.
- FIG. 7 is a schematic cross-sectional view showing a preferred embodiment of a bonding apparatus for bonding the electrode layer 6 and the spacer layer 7 to the surface of the ceramic green sheet 2 via the bonding layer 10.
- the bonding apparatus includes a pair of pressure rollers 17 and 18 maintained at a temperature of about 40 ° C. to about 100 ° C., and a pair of pressure rollers.
- a slit processing machine 19 is provided downstream of the pressure roller.
- the second support sheet 4 on which the internal electrode layer 8 including the electrode layer 6 and the spacer layer 7 and the adhesive layer 10 have been formed is arranged such that the second support sheet 4 contacts the upper pressure roller 17.
- the pressure roller 17 is constituted by a metal roller, and the press roller 18 is constituted by a rubber roller.
- the supply speed of the first support sheet 1 and the second support sheet 4 is set to, for example, 2 m / sec, and a pair of pressure rollers 17 and. Is set to about 0.2 to about 15 MPa, more preferably about 0.2 to about 6 MPa.
- the ceramic green sheet 2 and the internal electrode layer 8 including the electrode layer 6 and the spacer layer 7 are adhered through an adhesive layer 10, and the ceramic green sheet Sheet 2, electrode layer 6 and spacer layer 7, the adhesive force of the piner contained in ceramic layer,
- the ceramic green sheet 2 is bonded to the internal electrode layer 8 including the electrode layer 6 and the spacer layer.
- the ceramic green sheet 2 is bonded to the internal electrode layer including the electrode layer 6 and the spacer layer 7 at a low pressure of about 0.2 MPa or about 15 MPa, for example. can do.
- the electrode layer 6 formed on the second support sheet 4 is dried, the electrode layer 6 is bonded to the surface of the ceramic dust sheet 2 via the adhesive layer 10.
- the electrode paste dissolves the binder contained in the ceramic green sheet 2 as in the case where the electrode paste is printed on the surface of the ceramic green sheet 2 to form the electrode layer 6.
- the electrode layer 6 can be formed on the surface of the ceramic green sheet 2 as desired without causing swelling and preventing the electrode paste from penetrating into the ceramic green sheet 2. become.
- the adhesive layer 10 is narrower than the third support sheet 9 by 2a and is narrower, and the ceramic green sheet 2 and the second Since the adhesive solution is applied to the surface of the third support sheet 9 wider by 2a than the internal electrode layer 8 formed on the second support sheet 4,
- the adhesive layer 10 firmly adheres to the outside of the internal electrode layer 8 on the non-surface-treated area 4 b on which the surface treatment for improving the releasability of the second support sheet 4 has not been performed.
- the ceramic green sheet 2 formed on the first support sheet 1 is bonded to the bonding layer 10 on the entire surface.
- the surface treatment area 4 is formed by a slit machine. a, and inside the area where the release layer 5 is to be formed on the surface of the second support sheet 4, the first support sheet 1, the ceramic green sheet 2, and the adhesive layer 10.
- the internal electrode layer 8, the release layer 5 and the second support sheet 4 are subjected to slit processing.
- FIG. 8 shows that the ceramic green sheet 2 and the internal electrode layer 8 are bonded together via the bonding layer 10 to form the first support sheet 1, ceramic green sheet 2, bonding layer 1
- FIG. 4 is a schematic partial cross-sectional view showing a state in which a laminate including the internal electrode layer 8, the release layer 5, and the second support sheet 4 has been subjected to slit processing; This shows an ideal case where the meandering amount ⁇ of the first support sheet 1 and the second support sheet 4 at the time of bonding can be controlled to zero.
- the adhesive layer 10 is subjected to a surface treatment outside the internal electrode layer 8 to improve the releasability of the second support sheet 4.
- the ceramic green sheet 2 is formed to have a width narrower by ⁇ than the adhesive layer 10 at both side edges, and the ceramic green sheet 2 is firmly adhered to the non-surface-treated area 4 b which has not been treated. The entire surface is adhered to the adhesive layer 10, within the surface treatment area 4 a, and inside the release layer 5 in the width direction, the first support sheet 1, the ceramic green sheet 2 Further, a slit 12 penetrating through the adhesive layer 10, the internal electrode layer 8, the release layer 5 and the second support sheet 4 is formed.
- the first support sheet 1, the ceramic green sheet 2, the adhesive layer 10, and the internal electrode layer 8 are provided inside the surface treatment region 4 a and inside the release layer 5.
- the slits 12 that penetrate the release layer 5 and the second support sheet 4 are formed, and the parts that do not become products are identified. As a result, it is possible to reliably prevent the laminate from being cut.
- the first support sheet 1 is separated from the ceramic green sheet 2.
- the ceramic green sheet 2 is formed to have a width smaller than that of the adhesive layer 10 at both side edges, and the entire surface thereof is adhered to the adhesive layer 10.
- the layer 10 is firmly adhered to the non-surface-treated area 4 b on the outside of the internal electrode layer 8, which has not been subjected to the surface treatment for improving the releasability of the second support sheet 4.
- the bonding was performed in exactly the same manner as when the bonding layer 10 of the bonding layer sheet 11 was transferred to the surfaces of the electrode layer 6 and the sensor layer 7 formed on the second support sheet 4.
- the adhesive layer 10 of the layer sheet 11 is transferred to the surface of the ceramic green sheet 2.
- FIG. 9 is a schematic cross-sectional view of the laminate unit cut into a predetermined size.
- the laminate unit 20 has a second support sheet. It is formed on the surface of the substrate 4 and includes a release layer 5, an electrode layer 6, a spacer layer 7, an adhesive layer 10, a ceramic V green sheet 2, and an adhesive layer 10.
- the release layer 5, the electrode layer 6, the spacer layer ⁇ , the adhesive layer 10 and the ceramic green sheet 2 are laminated, and on the surface of the ceramic green sheet 2,
- the adhesive layer 10 is transferred to form a multi-layered unit 2 including a release layer 5, an electrode layer 6, a spacer layer 7, an adhesive layer 10, a ceramic green sheet 2 and an adhesive layer 10 respectively. 0 is created.
- a large number of the laminated units 20 thus produced are laminated via the adhesive layer 10 transferred onto the surface of the ceramic dust sheet 2 to produce a laminated ceramic capacitor.
- FIG. 10 is a schematic partial cross-sectional view showing a first step of a lamination process of the laminated unit 20.
- a support 28 is set on a substrate 25 on which a large number of holes 26 are formed.
- 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 at a predetermined position on the substrate 25.
- FIG. 11 is a schematic partial cross-sectional view showing a second step of the lamination process of the laminated unit 20.
- the laminated unit 20 is positioned so 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. Then, pressure is applied to the second support sheet 44 of the laminate unit 20 by a press or the like.
- the laminate unit 20 becomes the ceramic green sheet 2 It is adhered and laminated on a support 28 fixed on the substrate 25 via the adhesive layer 10 transferred to the surface.
- FIG. 12 is a schematic partial cross-sectional view showing a third step of the lamination process of the laminated unit 20.
- the laminate unit 20 When the laminate unit 20 is adhered to the support 28 fixed on the substrate 25 via the adhesive layer 10 transferred to the surface of the ceramic green sheet 2 and laminated, As shown in FIG. 12, the second support sheet 4 is peeled off from the release layer 5 of the laminate unit 20.
- the spacer layer 7 is compressed, and not only the spacer layer 7 but also the electrode layer 6 is adhered to the surface of the ceramic green sheet 2 via the adhesive layer 10, and therefore, the second support When the sheet 4 is peeled off, the electrode layer 6 can be effectively prevented from peeling off from the ceramic green sheet 2 together with the second support sheet 4.
- the adhesive layer 10 transferred to the surface of the ceramic green sheet 2, on the spacer layer 7 of the laminate unit 20 laminated on the support 28 fixed on the substrate 25. Then, the laminate unit 20 is further laminated.
- FIG. 13 is a schematic partial cross-sectional view showing a fourth step of the lamination process of the laminated unit 20.
- the ceramic green sheet 2 A new surface is formed so that the surface of the adhesive layer 10 transferred thereon comes into contact with the surface of the release layer 5 of the laminated body 20 bonded to the support 28 fixed to the substrate 25.
- the laminate unit 20 is positioned, and pressure is applied to the second support sheet 4 of the new laminate unit 20 by a press or the like.
- FIG. 14 is a schematic partial cross-sectional view showing a fifth step of the lamination process of the laminated unit 20.
- the laminate units 20 are successively laminated, and a predetermined number of laminate units 20 are laminated on a support 28 fixed to the substrate 25 to produce a laminate block. Is done.
- FIG. 13 is a partial view showing a first step of a lamination process of laminating a laminate block laminated on a support 28 fixed to a substrate 25 on an outer layer of a multilayer ceramic capacitor. It is sectional drawing.
- an outer layer 33 on which an adhesive layer 32 is formed is set on a base 30 on which a number of holes 31 are formed.
- the outer layer 33 is connected to the air through a number of holes 31 formed in the base 30. It is sucked and fixed at a predetermined position on the base 30.
- the laminated body is sucked by air through a large number of holes 26 and laminated on a support body 28 fixed at a predetermined position on the substrate 25.
- the block 40 is positioned so that the surface of the release layer 5 of the laminated unit 20 lastly stacked contacts the surface of the adhesive layer 32 formed on the outer layer 33.
- the suction of the support 28 by the air is stopped, and the substrate 25 is removed from the support 28 supporting the laminate block 40.
- the support 28 is pressurized by a press or the like.
- the laminate block 40 is adhered to the outer layer 33 fixed on the base 30 via the adhesive layer 32 and laminated.
- FIG. 16 is a partial view showing a second step of the lamination process of laminating a laminate block laminated on a support 28 fixed to a substrate 25 on an outer layer of a multilayer ceramic capacitor. It is sectional drawing.
- FIG. 17 is a partial view showing a third step of the lamination process of laminating the laminate block laminated on the support 28 fixed to the substrate 25 on the outer layer of the multilayer ceramic capacitor. It is sectional drawing.
- the air was sucked by air through a large number of holes 26 and was newly laminated on a support 28 fixed at a predetermined position on the substrate 25.
- the surface of the release layer 5 of the laminate unit 20 in which the laminate block 40 is finally laminated is the laminate block 4 in which the surface of the release layer 5 is laminated on the outer layer 33 fixed on the base 30. Positioning is performed so as to contact the surface of the bonding layer 10 of the top laminate unit 20 of the zero.
- the suction of the support 28 by air is stopped, and the substrate 25 is removed from the support 28 supporting the laminate block 40.
- the support 28 is pressurized by a press or the like.
- the newly laminated block 40 is bonded to the laminated block 40 laminated on the outer layer 33 fixed on the base 30 via the adhesive layer 10. , Stacked. .
- FIG. 18 is a partial view showing a fourth step of the lamination process of laminating the laminate block laminated on the support 28 fixed to the substrate 25 on the outer layer of the multilayer ceramic capacitor. It is sectional drawing.
- the newly laminated laminate block 40 is adhered to the laminated block 40 laminated on the outer layer 33 fixed on the base 30 via the adhesive layer 10 and laminated. Then, as shown in FIG. 18, the support 28 is peeled from the adhesive layer 10 of the newly laminated block 40.
- the newly laminated laminate block 40 is bonded via the adhesive layer 10 onto the laminated block 40 laminated on the outer layer 33 fixed on the base 30. And are stacked.
- laminated blocks 40 laminated on a support 28 fixed to the substrate 25 are successively laminated to form a predetermined number of laminated blocks.
- a predetermined number of laminate units 20 are laminated on the outer layer 33 of the multilayer ceramic capacitor.
- a laminate including a predetermined number of the laminate units 20 is cut into a predetermined size to produce a large number of ceramic green chips.
- the ceramic green chip thus produced is placed in a reducing gas atmosphere, the binder is removed, and the chip is fired.
- the ceramic green sheet 2 and the internal electrode layer 8 including the electrode layer 6 and the spacer layer 7 are bonded via the adhesive layer 10, and a ceramic Using the adhesive force of the piner contained in the green sheet 2, the electrode layer 6 and the spacer layer 7 and the deformation of the ceramic Darline sheet 2, the electrode layer 6 and the spacer layer 7, the ceramic green is used. Since the sheet 2 and the electrode layer 6 and the spacer layer 7 are not bonded, for example, at a low pressure of about 0.2 MPa to about 15 MPa, the ceramic green sheet 2 The internal electrode layer 8 including the electrode layer 6 and the spacer layer 7 can be bonded.
- the electrode layer 6 formed on the second support sheet 4 is dried, the electrode layer 6 is configured to adhere to the surface of the ceramic green sheet 2 via the adhesive layer 10. Because it is The electrode paste dissolves or swells the binder contained in the ceramic green sheet 2 as in the case where the electrode paste is printed on the surface of the lean sheet 2 to form the electrode layer 6.
- the electrode layer 6 can be formed on the surface of the ceramic green sheet 2 as desired without causing the electrode paste to soak into the ceramic green sheet 2.
- the surface of the second support sheet 4 is provided with a surface treatment region 4 a coated with a silicon resin, an alkyd resin, or the like in order to improve the peelability, and a surface treatment region.
- a surface treatment region 4 a coated with a silicon resin, an alkyd resin, or the like in order to improve the peelability, and a surface treatment region.
- non-surface-treated areas 4b that have not been subjected to surface treatment for improving releasability are formed, and the release layer 5 is formed on the surface of the second support sheet 4 by a dielectric material.
- the paste is formed by applying the paste narrower by 6 ⁇ than the second support sheet 4 and wider by 2 ⁇ than the surface treatment area 4a to form the electrode layer 6 and the space.
- the internal electrode layer 8 including the support layer 7 is formed by applying an electrode paste and a dielectric paste on the surface of the second support sheet 4 by 4 ⁇ narrower than the second support sheet 4 and a release layer. than 5, '2 alpha only, printed on wide, it is formed. Therefore, portions near both side edges of the release layer 5 and the internal electrode layer 8 are formed on the non-surface-treated area 4 b on which the surface treatment for improving the releasability of the second support sheet 4 has not been performed. It has been.
- the second support sheet is wider by 2 ⁇ than the ceramic green sheet 2 formed on the surface of the sheet 1 and the release layer 5 and the internal electrode layer 8 formed on the surface of the second support sheet 4. It is applied and formed so as to be wider by 2 ⁇ than the surface treatment area 4a of the sheet 4, and when transferred to the surface of the internal electrode layer 8, the adhesive layer 10 In order to improve the peelability of the second support sheet 4 outside the internal electrode layer 8 by being pressed by the pair of pressure rollers 15 and 16 Firmly adheres to the non-surface treated area 4b which has not been subjected to the surface treatment.
- the ceramic green sheet 2 has a dielectric paste on the surface of the first support sheet 1, 4 ⁇ smaller than the first support sheet 1, a narrower width, and It is applied and formed so as to have the same width as the internal electrode layer 8 including the electrode layer 6 and the spacer layer 7, and is bonded to the internal electrode layer 8 via the adhesive layer 10. At this time, the entire surface of the ceramic green sheet 2 is bonded to the bonding layer 10.
- the adhesive layer 10 is formed by applying the adhesive solution to the surface of the third support sheet 9 by a narrower width than the third support sheet 9 by 2 ⁇ . Therefore, when the adhesive layer 10 is transferred to the surface of the internal electrode layer 8 formed on the second support sheet 4 when the adhesive layer 10 is formed, Therefore, it is possible to reliably prevent the adhesive layer 10 from adhering to the surface of the transfer roller 16 and contaminate the surface of the transfer roller 16. Can be prevented.
- the entire surface of the ceramic green sheet 2 is not subjected to a surface treatment for improving the releasability of the second support sheet 4 on the outside of the internal electrode layer 8. Since the first support sheet 1 is peeled off from the ceramic green sheet 2 because the first support sheet 1 is peeled off from the ceramic green sheet 2 because it is bonded to the adhesive layer 10 firmly bonded to the region 4b, the ceramic green It is possible to reliably prevent the sheet 2 from peeling and contaminating the process.
- the slit is formed.
- the first support sheet 1, the ceramic green sheet 2, the adhesive layer 10, the internal electrode layer 8, the release layer 5, and the second support sheet 4 are configured to be slit. Since the part that does not become a product is specified, it is possible to reliably prevent the laminate from being cut so that a part that does not become a product is erroneously included in a later process.
- the spacer layer 7 is compressed by the pair of pressure rollers 17 and 18.
- the electrode layer 6 can be effectively prevented from peeling off from the ceramic green sheet 2 together with the second support sheet 4.
- the adhesive layer 10 has a thickness of 0.01 with respect to the binder. Since imidazoline-based surfactants are contained in an amount of from 15% by weight to 15% by weight, it is possible to effectively prevent the generation of static electricity.
- the laminate including the first support sheet 1, the ceramic green sheet 2, the adhesive layer 10, the internal electrode layer 8, the release layer 5, and the second support sheet 4 has a second support sheet
- the dielectric paste is applied to the surface of the sheet 4 by a width of at least 6 mm smaller than that of the second support sheet 4 and wider by at least 2 ⁇ than the surface treatment area 4a.
- the release layer 5 is formed, and the electrode paste is formed on the surface of the second support sheet 4.
- the dielectric paste is printed four times narrower than the second support sheet 4 and narrower by 2 ⁇ than the release layer 5, and the electrode layer 6 and the spacer layer 7 are printed.
- the first support sheet 1, the ceramic green sheet 2, the adhesive layer 10, and the internal electrode layer 8 are formed by applying the adhesive layer 10 so that the adhesive layer 10 becomes wider and wider.
- the laminate including the release layer 5 and the second support sheet 4 is formed by applying an adhesive solution on the surface of the third support sheet 9 and having a narrower width than that of the third support sheet 9.
- the second support sheet is wider and wider than the release layer 5 and the internal electrode layer 8 formed on the surface of the ceramic dust sheet 2 formed on the surface of the first support sheet 2 and the second support sheet by at least 2 ⁇ .
- the first support sheet 1, the ceramic green sheet 2, the first support sheet 1, the ceramic green sheet 2 may be formed by applying an adhesive layer so as to be wider by at least 2 ⁇ than the surface treatment area of the sheet 4.
- Adhesive layer 10 The laminate including the layer 8, the release layer 5 and the second support sheet 4 is coated with a dielectric paste on the surface of the second support sheet 4, and the dielectric paste is narrower by 6 ⁇ than the second support sheet 4. width, and than the surface treatment areas 4 a, at least by 2 alpha, was applied to the wide, to form a release layer 5, the surface of the second support sheet 4, the electrode paste and a dielectric paste the, than the second support sheet 4, only 4 alpha, with narrow and than the release layer 5, only 2 alpha, printed on wide, internal electrodes including the electrode layer 6 and the spacer layer 7 Form a layer 8 and apply a dielectric paste on the surface of the first support sheet 1
- the ceramic green sheet 2 is applied by applying a coating that is narrower by 4 ⁇ than the one support sheet 1 and has the same width as the internal electrode layer 8 including the electrode layer 6 and the spacer layer 7.
- the ceramic green sheet formed on the surface of the first support sheet 1 with a width smaller than that of the third support sheet 9 2 and 2 wider than the release layer 5 and the internal electrode layer 8 formed on the surface of the second support sheet 4, and wider than the surface treatment area 4 a of the second support sheet 4. It is not always necessary to form a laminate by applying the adhesive layer 10 so as to have a wide width by ⁇ and forming the adhesive layer 10. Further, in the above embodiment, after the ceramic green sheet 2 and the internal electrode layer 8 are bonded by the pair of pressure rollers 17 and 18 via the bonding layer 10, the slit processing machine is used.
- the first support sheet 1, the ceramic green sheet 2, and the inside Although the electrode layer 8, the release layer 5, and the second support sheet 4 are configured to be slit, it is not always necessary to perform slit processing.
- ts is the spacer layer 7
- te is the thickness of the electrode layer 6.
- the imidazoline-based surfactant is added to the adhesive solution.
- an antistatic agent such as an imidazoline-based surfactant to the adhesive solution. Not necessary.
- the bonding device shown in FIG. 7 is used. Then, the ceramic green sheet 2 is adhered to the surface of the spacer 6 and the spacer layer 7 via the adhesive layer 10, and thereafter, the first support sheet 1 is peeled off from the ceramic green sheet 2.
- the ceramic green sheet 2 is adhered to the surfaces of the electrode layer 6 and the spacer layer 7 via the adhesive layer 1 ⁇ by using an adhesive peeling device shown in FIG.
- the first support sheet 1 may be peeled from the ceramic green sheet 2.
- the solvent in an electrode paste can be prevented from seeping into a ceramic green sheet, and the ceramic green sheet and the electrode layer were laminated. It is possible to provide a method of manufacturing a multilayer unit for a multilayer ceramic electronic component, which can manufacture a multilayer unit as desired. .
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020057019774A KR100749792B1 (ko) | 2003-04-18 | 2004-04-12 | 적층 전자 부품용 적층체 유닛의 제조방법 |
CNA2004800133756A CN1791952A (zh) | 2003-04-18 | 2004-04-12 | 用于制造多层电子组件的多层单元的方法 |
JP2005505714A JP4084385B2 (ja) | 2003-04-18 | 2004-04-12 | 積層電子部品用の積層体ユニットの製造方法 |
US10/553,536 US7402220B2 (en) | 2003-04-18 | 2004-04-12 | Method for manufacturing multi-layered unit for multi-layered ceramic electronic component |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003/113832 | 2003-04-18 | ||
JP2003113832 | 2003-04-18 |
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WO2004095479A1 true WO2004095479A1 (ja) | 2004-11-04 |
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PCT/JP2004/005200 WO2004095479A1 (ja) | 2003-04-18 | 2004-04-12 | 積層電子部品用の積層体ユニットの製造方法 |
Country Status (6)
Country | Link |
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US (1) | US7402220B2 (ja) |
JP (1) | JP4084385B2 (ja) |
KR (1) | KR100749792B1 (ja) |
CN (1) | CN1791952A (ja) |
TW (1) | TWI237835B (ja) |
WO (1) | WO2004095479A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100731868B1 (ko) * | 2002-12-27 | 2007-06-25 | 티디케이가부시기가이샤 | 내부 전극을 갖는 전자 부품의 제조 방법 |
TWI249753B (en) * | 2002-12-27 | 2006-02-21 | Tdk Corp | Manufacturing method of multi-layer electronic component |
KR100755231B1 (ko) * | 2003-03-31 | 2007-09-04 | 티디케이가부시기가이샤 | 적층 세라믹 전자부품의 제조방법 |
US20060286500A1 (en) * | 2003-04-18 | 2006-12-21 | Tdk Corporation | Method for manufacturing multilayered unit for multilayered electronic component |
US20070007700A1 (en) * | 2003-09-30 | 2007-01-11 | Tdk Corporation | Method for Preparing Dielelectric Paste for Multi-Layer Ceramic Electronic Component |
JP4487542B2 (ja) * | 2003-11-27 | 2010-06-23 | Tdk株式会社 | 積層セラミック電子部品用の導電体ペーストおよび積層セラミック電子部品用の積層体ユニットの製造方法 |
JP4662298B2 (ja) * | 2003-12-15 | 2011-03-30 | Tdk株式会社 | 積層セラミック電子部品のスペーサ層用の誘電体ペースト |
JP4487595B2 (ja) * | 2004-02-27 | 2010-06-23 | Tdk株式会社 | 積層セラミック電子部品用の積層体ユニットの製造方法 |
JP4487596B2 (ja) * | 2004-02-27 | 2010-06-23 | Tdk株式会社 | 積層セラミック電子部品用の積層体ユニットの製造方法 |
JP4412013B2 (ja) * | 2004-03-16 | 2010-02-10 | Tdk株式会社 | 積層セラミック電子部品用の誘電体ペーストおよび積層セラミック電子部品用の積層体ユニットの製造方法 |
JP4740865B2 (ja) * | 2004-09-24 | 2011-08-03 | 学校法人日本大学 | セラミック電子部品の製造方法 |
WO2006126271A1 (ja) * | 2005-05-26 | 2006-11-30 | Tdk Corporation | 内部電極を持つ電子部品の製造方法 |
TWI430722B (zh) * | 2008-09-05 | 2014-03-11 | Unimicron Technology Corp | 線路板之線路結構及其製程 |
KR20120082165A (ko) * | 2011-01-13 | 2012-07-23 | 삼성전기주식회사 | 그린 시트 및 이의 제조방법 |
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2004
- 2004-04-12 KR KR1020057019774A patent/KR100749792B1/ko not_active IP Right Cessation
- 2004-04-12 US US10/553,536 patent/US7402220B2/en not_active Expired - Fee Related
- 2004-04-12 JP JP2005505714A patent/JP4084385B2/ja not_active Expired - Fee Related
- 2004-04-12 CN CNA2004800133756A patent/CN1791952A/zh active Pending
- 2004-04-12 WO PCT/JP2004/005200 patent/WO2004095479A1/ja active Application Filing
- 2004-04-15 TW TW093110537A patent/TWI237835B/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
KR100749792B1 (ko) | 2007-08-16 |
US7402220B2 (en) | 2008-07-22 |
JP4084385B2 (ja) | 2008-04-30 |
TWI237835B (en) | 2005-08-11 |
JPWO2004095479A1 (ja) | 2006-07-13 |
US20060254701A1 (en) | 2006-11-16 |
KR20060005374A (ko) | 2006-01-17 |
TW200509161A (en) | 2005-03-01 |
CN1791952A (zh) | 2006-06-21 |
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