WO2006126271A1 - 内部電極を持つ電子部品の製造方法 - Google Patents
内部電極を持つ電子部品の製造方法 Download PDFInfo
- Publication number
- WO2006126271A1 WO2006126271A1 PCT/JP2005/009678 JP2005009678W WO2006126271A1 WO 2006126271 A1 WO2006126271 A1 WO 2006126271A1 JP 2005009678 W JP2005009678 W JP 2005009678W WO 2006126271 A1 WO2006126271 A1 WO 2006126271A1
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- WO
- WIPO (PCT)
- Prior art keywords
- support sheet
- sheet
- transfer
- electrode layer
- layer
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/012—Form of non-self-supporting electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
Definitions
- the present invention relates to a method for manufacturing an electronic component having internal electrodes.
- ceramic powder eg, talyl-based resin, petital-based resin
- plasticizer e.g., talyl-based resin, petital-based resin
- organic solvent such as toluene, alcohol, MEK
- a method for producing a multilayer ceramic capacitor using the ceramic green sheet will be described in detail.
- a conductive paste for internal electrodes containing metal powder and a binder is printed on the ceramic green sheet in a predetermined pattern. And drying to form an internal electrode pattern.
- the carrier sheet is peeled from the ceramic green sheet, and a plurality of these laminated sheets are cut into chips to obtain green chips.
- an external electrode is formed and manufactured.
- the ceramic green sheet is usually a support in which a release agent is added to the dielectric paste constituting the green sheet or a green sheet is formed in consideration of the peelability and transferability in the lamination process.
- a release agent is coated on the sheet. Therefore, when the ceramic green sheet is particularly thin, the ceramic green sheet is in a fragile state where its strength is very weak on the support sheet. Alternatively, the ceramic liner sheet is easily displaced from the support sheet on the support sheet. Therefore, it is extremely difficult to transfer the dry type electrode pattern onto the surface of the green sheet with high accuracy, and the ceramic green sheet may be partially destroyed in the transfer process.
- an adhesive layer be formed on the surface of the electrode layer by a transfer method, and has been filed earlier (PCT: WO2004Z06188 ⁇ 1). ). According to this method, it is possible to reduce the thickness of the adhesive layer by forming the adhesive layer on the surface of the electrode layer or the green sheet by a transfer method. Or it will not penetrate into the green sheet.
- the transfer of the adhesive layer can be performed satisfactorily, but it has been found that the transfer of the adhesive layer is not always easy when mass production is performed. For example, if a pair of transfer rolls is used to transfer the adhesive layer, the sheet may become wrinkled and lamination will become difficult, and the adhesive layer will have insufficient adhesive strength, resulting in poor transfer. There were problems such as.
- the inventors of the present invention further advanced experiments, found a method for transferring an adhesive layer suitable for mass production, and completed the present invention.
- the present invention has been made in view of such a situation, and an object of the present invention is to obtain an adhesive layer having sufficient adhesive strength, which can be easily laminated without transfer of sheet wrinkles during transfer of the adhesive layer. Therefore, the transfer of the adhesive layer can be performed satisfactorily, and as a result, a method for manufacturing an electronic component having internal electrodes suitable for multilayering and thinning is provided.
- a method of manufacturing an electronic component having an internal electrode according to the first and first aspects of the present invention includes: Forming an electrode layer on the surface of the first support sheet;
- the method includes: laminating a green sheet to which the electrode layer is bonded, forming a green chip; and firing the green chip.
- the back surface of the first support sheet on which the electrode layer is formed is in contact with the first transfer roll, and the back surface of the second support sheet on which the adhesive layer is formed is in contact with the second transfer roll.
- the first support sheet and the second support sheet are fed between the first and second transfer rolls.
- the first transfer roll is heated to a first predetermined temperature Tl (° C.)
- the second transfer roll is heated to a second predetermined temperature T2 (° C.)
- the first predetermined temperature T1 and the second predetermined temperature ⁇ 2 are:
- the method of manufacturing an electronic component having an internal electrode according to the first and second aspects of the present invention includes a step of forming an adhesive layer on the surface of the electrode layer formed on the surface of the first support sheet; Forming a green sheet on the surface;
- a method of manufacturing an electronic component having an internal electrode comprising: a step of laminating a green sheet to which the electrode layer is bonded to form a green chip; and a step of firing the green chip.
- the back surface of the first support sheet on which the electrode layer is formed is in contact with the first transfer roll, and the back surface of the second support sheet on which the green sheet is formed is in contact with the second transfer roll. Sending the first support sheet and the second support sheet between the first and second transfer holes;
- the first transfer roll is heated to a first predetermined temperature Tl (° C.)
- the second transfer roll is heated to a second predetermined temperature T2 (° C.)
- the first predetermined temperature T1 and the second predetermined temperature ⁇ 2 are:
- the method for manufacturing an electronic component having an internal electrode according to the first to third aspects of the present invention includes a step of forming a green sheet on the surface of the electrode layer formed on the surface of the first support sheet, and a surface of the second support sheet. Forming an adhesive layer on
- the back surface of the first support sheet on which the green sheet is formed is in contact with the first transfer roll, and the back surface of the second support sheet on which the adhesive layer is formed is in contact with the second transfer roll.
- the first transfer roll is heated to a first predetermined temperature Tl (° C.)
- the second transfer roll is heated to a second predetermined temperature T2 (° C.)
- the first predetermined temperature T1 and the second predetermined temperature ⁇ 2 are:
- the first and second support sheets are used when the adhesive layer is transferred to the electrode layer (or green sheet, the same applies hereinafter) or when the green sheet is transferred to the electrode layer. Feeding between the transfer rolls, these rolls are heated to a predetermined temperature. At that time, by controlling the roll temperature so as to satisfy the above temperature condition, it is possible to obtain an adhesive layer with sufficient adhesive strength without causing wrinkles on the sheet, and transfer of the adhesive layer. Can be performed satisfactorily. As a result, the sheets can be laminated satisfactorily, and an electronic component having internal electrodes suitable for multilayering and thinning can be manufactured.
- an adhesive layer is formed on the surface of the electrode layer by a transfer method, and the green sheet is adhered to the surface of the electrode layer via the adhesive layer.
- the adhesive layer By forming the adhesive layer, high pressure and heat are not required when the green sheet is transferred to the surface of the electrode layer, and adhesion at a lower pressure and a lower temperature is possible. Therefore, even when the green sheet is extremely thin, the green sheet is not destroyed, and the dummy sheet with the internal electrodes can be satisfactorily laminated, and no short circuit failure occurs.
- the component of the adhesive layer is the electrode layer or the green layer. It does not soak into the sheet, and it is possible to form an extremely thin adhesive layer.
- the thickness of the adhesive layer can be reduced to about 0.02-0.3 m. Even if the thickness of the adhesive layer is small, the adhesive layer components do not penetrate into the electrode layer or the green sheet, so the adhesive force is sufficient, and the force may adversely affect the composition of the electrode layer or the green sheet. Nah ... [0024]
- the thickness of the adhesive layer is 0.02-0.
- the thickness of the adhesive layer becomes smaller than the unevenness of the green sheet surface, and the adhesiveness tends to be remarkably lowered.
- the thickness of the adhesive layer is too thick, a gap is formed inside the element body after sintering depending on the thickness of the adhesive layer, and the capacitance corresponding to the volume tends to decrease remarkably.
- a method of manufacturing an electronic component having an internal electrode according to the second aspect of the present invention includes:
- the method includes: laminating a green sheet to which the electrode layer is bonded, forming a green chip; and firing the green chip.
- the back surface of the first support sheet on which the electrode layer is formed is in contact with the first transfer roll, and the back surface of the second support sheet on which the adhesive layer is formed is in contact with the second transfer roll.
- the first support sheet and the second support sheet are fed between the first and second transfer rolls.
- the first transfer roll is heated to a first predetermined temperature Tl (° C.)
- the second transfer roll is heated to a second predetermined temperature T2 (° C.)
- the first predetermined temperature T1 and the second predetermined temperature ⁇ 2 are:
- T Tl + T2 preferably 180 ⁇ 1 + ⁇ 2 ⁇ 200
- the first support sheet and the second support sheet are each set to a temperature of 80 ° C. or more, preferably Is 80-100 ° C It is characterized by preheating with.
- a method of manufacturing an electronic component having an internal electrode according to the second to second aspects of the present invention includes:
- the method includes: laminating a green sheet to which the electrode layer is bonded, forming a green chip; and firing the green chip.
- the back surface of the first support sheet on which the electrode layer is formed is in contact with the first transfer roll, and the back surface of the second support sheet on which the green sheet is formed is in contact with the second transfer roll. Sending the first support sheet and the second support sheet between the first and second transfer holes;
- the first transfer roll is heated to a first predetermined temperature Tl (° C.)
- the second transfer roll is heated to a second predetermined temperature T2 (° C.)
- the first predetermined temperature T1 and the second predetermined temperature ⁇ 2 are:
- T Tl + T2 preferably 180 ⁇ 1 + ⁇ 2 ⁇ 200
- the first support sheet and the second support sheet are each set to a temperature of 80 ° C. or more, preferably Is 80-100 ° C
- a method for manufacturing an electronic component having an internal electrode according to the second to third aspects of the present invention includes:
- the method includes: laminating a green sheet to which the electrode layer is bonded, forming a green chip; and firing the green chip.
- the back surface of the first support sheet on which the green sheet is formed is in contact with the first transfer roll, and the back surface of the second support sheet on which the adhesive layer is formed is in contact with the second transfer roll. Sending the first support sheet and the second support sheet between the first and second transfer rolls;
- the first transfer roll is heated to a first predetermined temperature Tl (° C.)
- the second transfer roll is heated to a second predetermined temperature T2 (° C.)
- the first predetermined temperature T1 and the second predetermined temperature ⁇ 2 are:
- T Tl + T2 preferably 180 ⁇ 1 + ⁇ 2 ⁇ 200
- the first support sheet and the second support sheet are each set to a temperature of 80 ° C. or more, preferably Is 80-100 ° C
- the temperature at which the transfer roll is heated can be lowered compared to the first aspect, and the support sheet is fed between the pair of transfer rolls.
- Speed transfer speed
- the feeding speed of the support sheet (transfer speed) between the pair of transfer rolls
- transfer speed the feeding speed between the pair of transfer rolls
- the transfer speed is increased, good transfer becomes difficult.
- the transfer speed is good. Transcription is possible.
- T1 ⁇ T2 In the first aspect and the second aspect of the present invention, preferably, T1 ⁇ T2. Depending on the conditions, even if ⁇ 1> ⁇ 2, the ability to transfer well The condition range is narrower T1 ⁇ ⁇ 2 has wider conditions for good transfer.
- a method of manufacturing an electronic component having an internal electrode according to the third aspect of the present invention includes:
- the method includes: laminating a green sheet to which the electrode layer is bonded, forming a green chip; and firing the green chip.
- the back surface of the first support sheet on which the electrode layer is formed is in contact with the first transfer roll, and the back surface of the second support sheet on which the adhesive layer is formed is in contact with the second transfer roll.
- the first support sheet and the second support sheet are fed between the first and second transfer rolls.
- the support sheet that contacts the other transfer roll that is not heated is preheated at a temperature of 80 ° C. or higher before it contacts the transfer roll.
- a method of manufacturing an electronic component having internal electrodes according to the third and second aspects of the present invention includes:
- the method includes: laminating a green sheet to which the electrode layer is bonded, forming a green chip; and firing the green chip.
- the back surface of the first support sheet on which the electrode layer is formed is in contact with the first transfer roll, and the back surface of the second support sheet on which the green sheet is formed is in contact with the second transfer roll. Sending the first support sheet and the second support sheet between the first and second transfer holes;
- the support sheet that contacts the other transfer roll that is not heated is preheated at a temperature of 80 ° C. or higher before it contacts the transfer roll.
- the method for manufacturing an electronic component having internal electrodes includes a step of forming a green sheet on the surface of the electrode layer formed on the surface of the first support sheet, and a surface of the second support sheet.
- the method includes: laminating a green sheet to which the electrode layer is bonded, forming a green chip; and firing the green chip.
- the back surface of the first support sheet on which the green sheet is formed is in contact with the first transfer roll, and the back surface of the second support sheet on which the adhesive layer is formed is in contact with the second transfer roll.
- the first support sheet and the second support sheet are connected to the first and second transfer sheets.
- the support sheet that contacts the other transfer roll that is not heated is preheated at a temperature of 80 ° C. or higher before it contacts the transfer roll.
- the adhesive layer (or green sheet) can be satisfactorily transferred onto the surface of the electrode layer (or green sheet).
- the condition range for performing good transfer is narrower than in the first and second aspects of the present invention.
- the preheating temperature is 135.
- preheating temperature is too high, the sheet tends to get wrinkled, and if it is too low, the effect of preheating is small.
- the first support sheet is fed linearly between the first and second transfer rolls,
- the second support sheet is fed between the first and second transfer rolls to the first support sheet at a first predetermined angle ⁇ 1 and sent out at a second predetermined angle ⁇ 2.
- the first support sheet is preferably fed linearly between the pair of transfer rolls. This is to suppress the occurrence of wrinkles on the sheet.
- an adhesive layer (or green sheet) is formed on the surface of the second support sheet, and after the second support sheet passes between the first and second transfer rolls, the second support sheet is formed.
- the adhesive layer (or green sheet) of the sheet is transferred to the surface of the electrode layer of the first support sheet. Therefore, the second support sheet can be sent between the first and second transfer rolls at the first predetermined angle ⁇ 1 and sent out at the second predetermined angle ⁇ 2 with respect to the first support sheet.
- the adhesive layer (or green sheet) of the second support sheet is satisfactorily transferred to the surface of the electrode layer of the first support sheet.
- the electrode layer is formed on the surface of the first support sheet so that the peel strength is 10 to 60 mNZcm.
- An adhesive layer (or green sheet) is formed on the surface of the second support sheet so that the peel strength is not more than lOmNZcm. With such a configuration, the adhesive layer (or green sheet) of the second support sheet is satisfactorily transferred to the surface of the electrode layer of the first support sheet.
- the second transfer roll is made of metal, and the first transfer roll is a roll lined with a rubber layer.
- the pressure acts uniformly between the rolls, and transfer can be performed satisfactorily.
- a release layer is formed on the surface of the first support sheet, and the electrode layer is formed on the release layer.
- a blank pattern layer having substantially the same thickness as the electrode layer is formed on the surface of the release layer where the electrode layer is not formed.
- the surface level difference due to the electrode layer having a predetermined pattern is eliminated. For this reason, even if a large number of green sheets are laminated and then pressed before firing, the outer surface of the laminate is kept flat, and the electrode layer does not shift in the plane direction. There is no cause.
- FIG. 1 is a schematic cross-sectional view of a multilayer ceramic capacitor according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view of a main part of each support sheet before transfer of the adhesive layer.
- FIG. 3 is a schematic view showing a method for transferring an adhesive layer.
- FIG. 4A is a sectional view of a key portion showing a step continued from FIG.
- FIG. 4B is a sectional view of a key part showing a step continued from FIG. 4A.
- FIG. 4C is a sectional view of a key part showing a step continued from FIG. 4B.
- the multilayer ceramic capacitor 2 includes a capacitor element. It has a body 4, a first terminal electrode 6, and a second terminal electrode 8.
- the capacitor body 4 includes dielectric layers 10 and internal electrode layers 12, and the internal electrode layers 12 are alternately stacked between the dielectric layers 10.
- One internal electrode layer 12 that is alternately stacked is electrically connected to the inside of the first terminal electrode 6 that is formed outside one end of the capacitor body 4.
- the other internal electrode layers 12 that are alternately stacked are electrically connected to the inside of the second terminal electrode 8 formed outside the other end of the capacitor body 4.
- the internal electrode layer 12 is formed by transferring the ceramic green sheet 10a shown in FIG. 4A to the electrode layer 12a, and is made of the same material as the electrode layer 12a. Although it is configured, its thickness is thicker than the electrode layer 12a by the amount of horizontal shrinkage caused by firing.
- the material of the dielectric layer 10 is not particularly limited, and is made of a dielectric material such as calcium titanate, strontium titanate and Z or barium titanate.
- the thickness of each dielectric layer 10 is not particularly limited, but is generally several / zm to several hundreds / zm. In particular, in the present embodiment, the thickness is preferably 5 ⁇ m or less, more preferably 3 ⁇ m or less.
- the material of the terminal electrodes 6 and 8 is not particularly limited, but usually silver, silver-palladium alloy, or the like in which copper, copper alloy, nickel, nickel alloy or the like is used can also be used.
- the thickness of the terminal electrodes 6 and 8 is not particularly limited, but is usually about 10 to 50 / ⁇ ⁇ .
- the shape and size of the multilayer ceramic capacitor 2 may be appropriately determined according to the purpose and application.
- the multilayer ceramic capacitor 2 has a rectangular parallelepiped shape, it is usually vertical (0.6 to 5.6 mm, preferably ⁇ or 0.6 to 3.2 mm) X lateral (0.3 to 5. Omm, preferably ⁇ to 0 3 to 1.6 mm) X thickness (0.1 to 1.9 mm, preferably 0.3 to 1.6 mm).
- a dielectric paste is prepared in order to manufacture a ceramic green sheet that will form the dielectric layer 10 shown in FIG. 1 after firing.
- the dielectric paste is usually composed of an organic solvent-based paste or an aqueous paste obtained by kneading a dielectric material and an organic vehicle.
- a dielectric material various compounds to be complex oxides and oxides, for example, carbonates, nitrates, hydroxides, organometallic compounds, and the like can be appropriately selected and used in combination.
- the dielectric material is usually used as a powder having an average particle size of about 0.1 to 3. O / zm. In order to form a very thin green sheet, it is finer than the thickness of the green sheet! / Desirable to use powder ⁇ .
- the organic vehicle is obtained by dissolving a binder in an organic solvent.
- the binder used in the organic vehicle is not particularly limited, and the power to use various ordinary binders such as ethyl cellulose, polybutyl butyral, and acrylic resin, preferably petital type resin such as polybutyral. It is done.
- the organic solvent used in the organic vehicle is not particularly limited, and alcohols such as ethanol and propanol, ketones such as terpineol, butyl carbitol, acetone and MEK, and aromatics such as toluene, etc.
- An organic solvent is used.
- the vehicle in the water-based paste is obtained by dissolving a water-soluble binder in water.
- the water-soluble binder is not particularly limited, and polybutyl alcohol, methylcellulose, hydroxycellulose, water-soluble acrylic resin, emulsion and the like are used.
- the content of each component in the dielectric paste is not particularly limited, and may be a normal content, for example, about 1 to 5% by mass for the binder and about 10 to 50% by mass for the solvent (or water).
- the dielectric paste may contain various additives such as various dispersants, plasticizers, dielectrics, glass frit, and insulators as required. However, the total content of these is preferably 10% by mass or less.
- the plasticizer preferably has a content of 25 to: LOO parts by mass with respect to 100 parts by mass of the binder resin. If the amount of the plasticizer is too small, the green sheet tends to become brittle. If the amount is too large, the plasticizer oozes out and is difficult to handle.
- the green sheet 10a is formed with a thickness of about 0.5 to 10 m.
- the green sheet 10a is formed on the third carrier sheet 30 and then dried.
- the drying temperature of the green sheet 10a is preferably 50 to 100 ° C., and the drying time is preferably 1 to 20 minutes. is there.
- the thickness of the green sheet 10a after drying shrinks to a thickness of 5 to 25% compared with that before drying.
- a first carrier sheet 20 as a first support sheet is prepared, and a release layer 22 is formed thereon, An electrode layer 12a having a predetermined pattern is formed thereon, and before and after that, a blank pattern layer 24 having substantially the same thickness as the electrode layer 12a is formed on the surface of the release layer 22 where the electrode layer 12a is not formed.
- the carrier sheets 20 and 30 for example, a polyester film such as a PEN film or a PET film is used, and a light release treatment agent such as silicon or alkyd resin is coated to improve the release property. Those are preferred.
- the thickness of these carrier sheets 20 and 30 is not particularly limited, but is preferably 5 to 100 / ⁇ ⁇ . The thickness of these carrier sheets 20 and 30 may be the same or different.
- the release layer 22 preferably contains the same dielectric particles as the dielectric that constitutes the green sheet 10a shown in FIG.
- the release layer 22 includes a binder, a plasticizer, and an optional release agent.
- the particle size of the dielectric particles may be the same as the particle size of the dielectric particles contained in the green sheet, but is preferably smaller.
- the thickness t2 of the release layer 22 is preferably equal to or less than the thickness tl of the electrode layer 12a, preferably 60% or less, and more preferably 30% or less.
- the application method of the release layer 22 is not particularly limited, but it is necessary to form the release layer 22 very thinly. Therefore, for example, an application method using a wire bar coater is preferable.
- the thickness of the release layer can be adjusted by selecting a wire bar coater with a different diameter. That is, in order to reduce the coating thickness of the release layer, it is only necessary to select a wire having a small diameter. In order to form a thick film, a thick wire having a single diameter may be selected.
- the release layer 22 is dried after application.
- the drying temperature is preferably 50 to 100 ° C., and the drying time is preferably 1 to 10 minutes.
- the noda for the release layer 22 for example, acrylic resin, polyvinyl butyl butyl, polyvurecetal, polybutal alcohol, polyolefin, polyurethane, polystyrene, or a copolymer thereof. Composed of organic matter or emerald .
- the binder contained in the release layer 22 may be the same as or different from the binder contained in the green sheet 10a, but is preferably the same.
- polyacetal resin is particularly preferably used.
- the plasticizer for the release layer 22 is not particularly limited, and examples thereof include phthalic ester, adipic acid, phosphoric ester, and glycols.
- the plasticizer contained in the release layer 22 may be the same as or different from the plasticizer contained in the green sheet 10a.
- the release agent for the release layer 22 is not particularly limited, and examples thereof include paraffin, nitrogen, and silicone oil.
- the release agent contained in release layer 22 is a green sheet
- the same or different release agent contained in 10a may be used.
- the nodeer is preferably 2.5 to 2 with respect to 100 parts by mass of the dielectric particles.
- the plasticizer is contained in the release layer 22 in an amount of 0 to 200 parts by weight, preferably 20 to 200 parts by weight, more preferably 50 to: LOO parts by weight with respect to 100 parts by weight of the binder. Is preferred.
- the release agent is contained in release layer 22 at 0 to: LOO parts by mass, preferably 2 to 50 parts by mass, more preferably 5 to 20 parts by mass with respect to 100 parts by mass of the binder. Is preferred.
- the electrode layer 12a that will form the internal electrode layer 12 after firing is formed on the surface of the release layer 22 as shown in FIG. It is formed with a predetermined pattern.
- the thickness tl of the electrode layer 12a is preferably about 0.1 to 5111, and more preferably about 0.1 to 1.
- the electrode layer 12a may be composed of a single layer or may be composed of two or more layers having different compositions.
- the electrode layer 12a can be formed on the surface of the release layer 22 by a thick film forming method such as a printing method using an electrode paste, or by a thin film method such as vapor deposition or sputtering.
- a thick film forming method such as a printing method using an electrode paste
- a thin film method such as vapor deposition or sputtering.
- an electrode paste is prepared.
- the electrode paste is prepared by kneading a conductive material made of various conductive metals and alloys, or various oxides, organometallic compounds, resinates, etc., which become the conductive material described above after firing, and an organic vehicle. .
- a conductive material used in manufacturing the electrode paste Ni, a Ni alloy, or a mixture thereof is used.
- Such a conductor material is not particularly limited in its shape, such as a spherical shape or a flake shape, and may be a mixture of these shapes.
- the average particle diameter of the conductor material is usually about 0.1 to 2 / ⁇ ⁇ , preferably about 0.2 to about L m.
- the organic vehicle contains a binder and a solvent.
- the binder include, for example, butyl cellulose, acrylic resin, polybutyral, polybutacetal, polybutal alcohol, polyolefin, polyurethane, polystyrene, and copolymers thereof.
- the butyral type is preferred.
- the noder is preferably contained in the electrode paste in an amount of 4 to 20 parts by mass with respect to 100 parts by mass of the conductive material (metal powder).
- the solvent any known solvent such as tervineol, butyl carbitol and kerosene can be used.
- the solvent content is preferably about 20 to 55 mass% with respect to the entire paste.
- the electrode paste preferably contains a plasticizer.
- plasticizers include phthalate esters such as benzyl phthalate (BBP), adipic acid, phosphate esters, glycols, and the like.
- the plasticizer is preferably 10 to 300 parts by mass, more preferably 10 to 200 parts by mass with respect to 100 parts by mass of the binder in the electrode paste.
- an acetyl binder such as lauryl methacrylate, ethyl hexyl methacrylate, lauryl acrylate, ethyl hexyl acrylate, or butyl acrylate having a glass transition temperature Tg of room temperature or lower is used.
- an adhesive may be added to the electrode paste in an amount of 100 parts by mass or less with respect to 100 parts by mass of the noder. If the amount of the plasticizer or pressure-sensitive adhesive added is too large, the strength of the electrode layer 12a tends to be remarkably reduced. In order to improve the transferability of the electrode layer 12a, it is preferable to add a plasticizer and / or a pressure-sensitive adhesive to the electrode paste to improve the adhesion and / or the pressure-sensitive property of the electrode paste.
- the pressure-sensitive adhesive is not particularly limited, and examples thereof include butyl acrylate (BA) and acrylic acid. — Examples include 2-ethylhexyl (2HEA) and lauryl methacrylate (RMA).
- the electrode paste layer having a predetermined pattern is formed on the surface of the release layer 22 by a printing method, or before that, the electrode layer 12a is not substantially formed on the surface of the release layer 22 where the electrode layer 12a is not formed.
- the blank pattern layer 24 having the same thickness is formed.
- the blank pattern layer 24 is made of the same material as the green sheet 10a shown in FIG. 3A and is formed by the same method.
- the electrode layer 12a and the blank pattern layer 12a are dried as necessary.
- the drying temperature is not particularly limited, but is preferably 70 to 120 ° C., and the drying time is preferably 5 to 15 minutes.
- the electrode layer 12a and the blank pattern layer 24 are bonded to the first carrier sheet 20 with a peel strength of preferably 10 to 60 mNZcm, more preferably 15 to 40 mNZcm. Is done.
- an adhesive layer in which an adhesive layer 28 is formed on the surface of the second carrier sheet 26 as the second support sheet Prepare a transfer sheet.
- the second carrier sheet 26 is composed of a sheet similar to the carrier sheets 20 and 30.
- the adhesive layer 28 is bonded to the second carrier sheet 26 with a peel strength of preferably 10 mN / cm or less, more preferably 8 mNZcm or less.
- the composition of the adhesive layer 28 is the same as that of the release layer 22 except that the dielectric particles are not included! / ⁇ . That is, the adhesive layer 28 includes a binder, a plasticizer, and a release agent.
- the adhesive layer 28 may contain the same dielectric particles as the dielectric constituting the liner sheet 10a. However, when an adhesive layer having a thickness smaller than the particle size of the dielectric particles is formed, the dielectric particles It is better not to include. Further, when dielectric particles are included in the adhesive layer 28, the ratio of the dielectric particles to the weight of the binder is preferably smaller than the ratio of the dielectric particles included in the green sheet to the binder weight. .
- the noinder and the plasticizer for the adhesive layer 28 are preferably the same as those of the release layer 22, but may be different.
- the plasticizer is contained in the adhesive layer 28 in an amount of 0 to 200 parts by weight, preferably 20 to 200 parts by weight, more preferably 20 to L00 parts by weight with respect to 100 parts by weight of the binder. Is preferred.
- the thickness of the adhesive layer 28 is preferably about 0.02-0.
- the thickness of the adhesive layer 28 is reduced. If it is too tight, the adhesive strength is reduced, and if it is too thick, it tends to cause defects (clearance).
- the adhesive layer 28 is formed on the surface of the second carrier sheet 26 as the second support sheet by a method such as a bar coater method, a die coater method, a reverse coater method, a dip coater method, or a kiss coater method. Dried accordingly.
- the drying temperature is not particularly limited, but is preferably room temperature to 80 ° C., and the drying time is preferably 1 to 5 minutes.
- a transfer method is employed in this embodiment. That is, as shown in FIG. 3, using a pair of first and second transfer rolls 40, 42, the back surface of the first carrier sheet 20 is in contact with the first transfer roll 40, and the second carrier sheet 26 The carrier sheets 20 and 26 are fed between the transfer rolls 40 and 42 so that the back surface is in contact with the second transfer roll 42 (feed direction X).
- the first carrier sheet 20 is fed linearly between the first and second transfer rolls 40, 42, and the second carrier sheet 26 is interposed between the first and second transfer rolls.
- the first carrier sheet 20 is sent at a first predetermined angle ⁇ 1 and sent out at a second predetermined angle ⁇ 2.
- the first predetermined angle ⁇ 1 is not particularly limited, but is preferably 10 to 70 degrees, and more preferably 30 to 60 degrees.
- the second predetermined angle ⁇ 2 is not particularly limited, but is preferably 10 to 70 degrees, and more preferably 30 to 60 degrees.
- the first predetermined angle ⁇ 1 is too small, bubbles tend to be embraced or immediately wrinkled.
- the actual apparatus has a pressurizing apparatus above the upper transfer roll, so there is an upper limit for the angle of ⁇ 1. Even if the pressure device is installed on the lower roller side, it is necessary to wind up the support 2 after peeling, so if ⁇ 1 is too large, ⁇ 2 will be limited. Also, if the second predetermined angle ⁇ 2 is too small, the peeling force increases, so that the transfer of the adhesive layer 28 is difficult, and if it is too large, the peeling force increases due to the influence of static electricity or the like. , Peeling defects tend to occur.
- the first transfer roll 40 is heated to the first predetermined temperature Tl (° C.), and the second transfer roll 42 is heated to the second predetermined temperature T2 (° C.). Then, the first predetermined temperature T1 and the second predetermined temperature ⁇ 2 are
- the adhesive strength may be low and transfer may not be performed well. Conversely, if the first predetermined temperature T1 is too high, wrinkles may easily enter the sheet. Layers tend to be difficult. If the second predetermined temperature ⁇ 2 is too low, the adhesive strength may be low and transfer may not be performed satisfactorily. On the other hand, if the second predetermined temperature ⁇ 2 is too high, wrinkles may easily enter the sheet. Tend to be difficult. Furthermore, if T1 + T2 is too low, the adhesive strength will be low and transfer may not be performed well. On the other hand, if it is too high, the sheet will easily wrinkle, and subsequent lamination will be difficult. There is a tendency
- each roll 40 and 42 is not particularly limited, and for example, a heater or the like may be embedded in rolls 40 and 42. Or you can circulate heated oil!
- the first transfer roller 40 pressed against the first carrier sheet 20 is composed of a metal roller lined with a rubber layer, and the second carrier sheet 26 is pressed against it.
- the transfer roller 42 is composed of a metal roller that exposes the metal surface.
- the lining rubber layer has a JIS-K7125 durometer hardness of 70 to 90, and a lining thickness of preferably 1 to 5 mm.
- the feed speed of the first and second carrier sheets 20 and 26 is not particularly limited, but is preferably 1 to: LOmZmin. If the feed rate is too slow, the productivity tends to deteriorate, and if the feed rate is too fast, the adhesive layer may not be transferred well.
- the pressure applied to the carrier sheets 20 and 26 by the pair of rolls 40 and 42 is not particularly limited, but is preferably 0.2 to 6 MPa. If the pressure is too small, transfer becomes difficult, and if it is too large, the pattern of the electrode layer 12a is destroyed, which is not preferable.
- the adhesive layer 28 of the second carrier sheet 26 is pressed against the surfaces of the electrode layer 12a and the blank pattern layer 24, heated and pressurized with the rolls 40 and 42, and then the second carrier sheet 26. By peeling the carrier sheet 26, the adhesive layer 28 becomes the electrode layer 12 a and the blank pattern layer 24. Is transferred to the surface.
- the green sheet 10a formed on the surface of the third carrier sheet 30 is formed on the surface of the electrode layer 12a and the blank layer 24 via the adhesive layer 28.
- Adhere. As a method therefor, it can be performed by a transfer method using a pair of tools 40 and 42 shown in FIG. 3 in the same manner as described above. That is, the first carrier sheet 20 having the adhesive layer 28 formed on the top is applied to the back surface of the first transfer roll 40, and the back surface of the third carrier sheet 30 having the liner sheet 10a formed on the surface thereof is transferred to the second surface. Roll 4 4 Pass between the rolls so that it touches the back of 2. As a result, as shown in FIG. 4C, the green sheet 10a is transferred to the surface of the adhesive layer 28.
- a multilayer unit U1 in which a single green sheet 10a and a single-layer electrode layer 12a having a predetermined pattern are stacked is formed.
- the steps shown in FIGS. 2 to 4C may be repeated.
- the laminate unit U1 may be laminated via an adhesive layer. In this way, a laminate in which a large number of electrode layers 12a and green sheets 10a are alternately laminated is obtained.
- the adhesive layer 28 may be formed on the surface of the green sheet 10a shown in FIG. 4C by the transfer method, it adheres to the surface of the electrode layer 12a as shown in FIG. This can be done in the same manner as when layer 28 is transferred.
- the laminate is finally pressurized, and then the first carrier sheet 20 is peeled off.
- the pressure at the final pressurization is preferably 10 to 200 MPa.
- the heating temperature is preferably 40 to: L00 ° C.
- the laminate is cut into a predetermined size to form a green chip.
- the green chip is subjected to binder removal processing and firing processing, and heat treatment is performed to reoxidize the dielectric layer.
- the binder removal treatment may be performed under normal conditions. However, when a base metal such as Ni or Ni alloy is used as the conductor material of the internal electrode layer, it is particularly preferable to perform under the following conditions.
- Rate of temperature increase 5 to 300 ° CZ time
- Atmosphere A mixed gas of humidified N and H.
- the firing conditions are preferably the following conditions.
- Cooling rate 50 ⁇ 500 ° CZ time
- Atmospheric gas A mixed gas of humidified N and H, etc.
- the oxygen partial pressure in the air atmosphere at the time of firing is preferably 10 _2 Pa or less, particularly 10 _2 to 10_ 8 Pa. If the above range is exceeded, the internal electrode layer tends to oxidize, and if the oxygen partial pressure is too low, the electrode material of the internal electrode layer tends to abnormally sinter and tend to break.
- the heat treatment after such firing is preferably carried out at a holding temperature or maximum temperature of preferably 100 ° C or higher, more preferably 1000 to: L 100 ° C. If the holding temperature or the maximum temperature during heat treatment is less than the above range, the dielectric material has insufficient acidity, and thus the insulation resistance life tends to be shortened. However, it simply reacts with the dielectric substrate just by reducing the capacity, and the lifetime tends to be shortened.
- the oxygen partial pressure during the heat treatment is higher than that in the reducing atmosphere during firing, and is preferably 10 _3 Pa to lPa, more preferably 10 _2 Pa to lPa. If it is less than the above range, reoxidation of the dielectric layer 2 is difficult, and if it exceeds the above range, the internal electrode layer 3 tends to acidify.
- the other heat treatment conditions are preferably the following conditions.
- Cooling rate 50 ⁇ 500 ° CZ time
- a wetter or the like may be used.
- the water temperature is preferably about 0 to 75 ° C.
- the binder removal, firing and heat treatment may be performed continuously or independently. When these processes are performed continuously, after removing the binder, the atmosphere is changed without cooling, and then the temperature is raised to the holding temperature at the time of baking to perform baking, and then cooled to reach the heat treatment holding temperature. Sometimes it is preferable to perform heat treatment by changing the atmosphere. On the other hand, if these are done independently, When forming, N gas or humidified N gas up to the holding temperature during binder removal
- the sintered body (element body 4) obtained in this way is subjected to end surface polishing by, for example, barrel polishing or sandplast, and terminal electrode pastes 6 and 8 are formed by baking terminal electrode paste. It is done.
- the terminal electrode paste firing conditions are, for example, a mixed gas of humidified N and H
- the terminal electrode paste may be prepared in the same manner as the above electrode paste.
- the multilayer ceramic capacitor of the present invention thus manufactured is mounted on a printed circuit board by soldering or the like and used for various electronic devices.
- the adhesive layer 28 is transferred to the surfaces of the electrode layer 12a and the blank pattern layer 24, the carrier sheets 20 and 26 are transferred. It is fed between the first and second transfer rolls 40 and 42, and these rolls 40 and 42 are heated to a predetermined temperature. At that time, by controlling the roll temperature so as to satisfy the temperature condition of the present invention, the adhesive layer 28 having sufficient adhesive strength can be obtained without generating wrinkles on the sheet 20. The layer 28 can be transferred well. As a result, the green sheet 10a and the electrode layer 12a can be laminated satisfactorily, and an electronic component having internal electrodes suitable for multilayering and thinning can be manufactured.
- the dry-type electrode layer 12a can be easily and highly accurately transferred onto the surface of the liner sheet 10a where the green sheet 10a is not broken or deformed.
- the adhesive layer 28 is formed on the surface of the electrode layer by a transfer method, and the green sheet 10a is adhered to the surface of the electrode layer 12a via the adhesive layer 28.
- the adhesive layer 28 By forming the adhesive layer 28, when the green sheet 1 Oa is adhered to the surface of the electrode layer 12a and transferred, high pressure and heat are not required, and adhesion at a lower pressure and a lower temperature is possible. Therefore, even when the green sheet 10a is very thin, the green sheet 10a is not destroyed, the electrode layer 12a and the green sheet 10a can be satisfactorily laminated, and no short circuit failure occurs.
- the adhesive strength of the adhesive layer 28 is made stronger than the adhesive strength of the release layer 22, and the peel strength of the release layer 22 is made higher than the adhesive strength between the green sheet 10a and the third carrier sheet 30.
- the third carrier sheet 30 on the green sheet 10a side can be selectively peeled easily.
- the adhesive layer 28 is not formed directly on the surface of the electrode layer 12a or the green sheet 10a by a coating method, but is formed by a transfer method.
- the layer 12a or the green sheet 10a is not soaked, and an extremely thin adhesive layer 28 can be formed.
- the thickness of the adhesive layer 28 can be reduced to about 0.02-0.3 ⁇ m. Even if the thickness of the adhesive layer 28 is thin, the components of the adhesive layer 28 do not soak into the electrode layer 12a or the green sheet 10a.Therefore, the adhesive force is sufficient, and the force also depends on the composition of the electrode layer 12a or the green sheet 10a. There is no risk of adverse effects.
- the carrier sheets 20 and 26 are not preheated before the transfer direction X of the transfer rolls 40 and 42 shown in FIG.
- the carrier sheets 20 and 26 are preheated by the preheating devices 50 and 52.
- the preheating devices 50 and 52 are not particularly limited, and examples thereof include an infrared heater, a metal bead heater, an infrared lamp, and a hot air heater.
- the carrier sheets 20 and 26 are preheated, and the heating temperatures T1 and T2 of the rolls 40 and 42 are set as follows.
- the heating temperature by each of the preheating devices 50 and 52 is 80 ° C or higher, preferably 80 to 100 ° C.
- the temperature at which the transfer rolls 40 and 42 are heated can be lowered as compared with the method of the first embodiment, and the force of the pair of transfer rolls 40 and 42 is also reduced.
- the feeding speed (transfer speed) of the carrier sheets 20 and 26 between the two can be increased. In other words, even if the feeding speed (transfer speed) of the carrier sheets 20 and 26 between the pair of transfer rolls 40 and 42 is increased by, for example, about 4 times, sufficient adhesive strength with no wrinkles on the sheet 20 is obtained. It is possible to transfer the good adhesive layer 28 having the.
- the first and second transfer rolls Heat one of 40 and 42 and not the other.
- the carrier sheet 20 or 26 that is in contact with the other transfer roll 40 or 42 that is not heated is contacted with the transfer roll at a temperature of 80 ° C. or higher, preferably 135 ° C. or lower. Preheat at a temperature below 100 ° C.
- the roll 40 when the roll 40 is heated, the roll 42 is not heated and is preheated by at least the preheating device 52. In that case, preheating by the preheating device 50 may be used together.
- the adhesive layer 28 can be satisfactorily transferred onto the surfaces of the electrode layer 12a and the blank pattern layer 24.
- the condition range for performing good transfer is narrower than the methods of the first embodiment and the second embodiment. Since other configurations and operational effects of the present embodiment are the same as those of the first embodiment or the second embodiment, description thereof will be omitted.
- the method of the present invention can be applied not only to a method for manufacturing a multilayer ceramic capacitor but also to a method for manufacturing an electronic component having other internal electrodes.
- BaTiO powder (BT-02Z Sakai Chemical Industry Co., Ltd.) and MgCO, MnCO, (Ba Ca
- a dielectric material was obtained by wet mixing and drying. These raw material powders had an average particle size of 0 • 1 to 1 jum &).
- (Ba Ca) SiO is made from BaCO, CaCO and SiO by Bono Reminole, 160 temples
- the mixture was wet-mixed and dried, and then fired in air at 1150 ° C. for 100 hours with a ball mill.
- Organic vehicle is 100 parts by weight of dielectric material, polyvinyl butyral as binder: 6 parts by weight, plasticizer bis (2-ethylhexyl) phthalate (DOP): 3 parts by weight, ethyl acetate: 55 parts by weight Parts, toluene: 10 parts by mass, paraffin as a release agent: 0.5 parts by mass.
- DOP plasticizer bis (2-ethylhexyl) phthalate
- ethyl acetate 55 parts by weight Parts
- toluene 10 parts by mass
- paraffin as a release agent 0.5 parts by mass.
- the dielectric green sheet paste was diluted 3 times by weight with ethanol Z propanol Z xylene (42.5 / 42.5Z15) to obtain a release layer paste.
- Adhesive layer paste
- An adhesive layer paste was prepared by dissolving 2% by mass of PVB (Sekisui Chemical BM-SH, degree of polymerization 800) and 1% by mass of DOP using MEK as a solvent.
- the mixture was kneaded with three rolls and slurried to obtain an internal electrode paste. That is, with respect to 100 parts by mass of Ni particles having an average particle diameter of 0.2 m, an organic vehicle (8 parts by mass of polyvinyl butyral resin as a binder dissolved in 92 parts by mass of terneol) 40 parts by mass Then, 10 parts by mass of terbinol and 1 part by mass of a fatty acid ester dispersant were added, kneaded with a three-roll, and slurried to obtain an internal electrode paste.
- an organic vehicle 8 parts by mass of polyvinyl butyral resin as a binder dissolved in 92 parts by mass of terneol
- 10 parts by mass of terbinol and 1 part by mass of a fatty acid ester dispersant were added, kneaded with a three-roll, and slurried to obtain an internal electrode paste.
- the same ones used for the green sheet paste were prepared so as to have the same blending ratio.
- Ceramic powder and additive 150g
- ester polymer dispersant 1.5g
- terbinol 5g
- acetone 60g
- dioctyl phthalate 5g
- this mixed solution manufactured by Sekisui Chemical Co., Ltd. of BH6 against 8% lacquer one (lacquer total amount of (polymerization degree: 1450, butyralization degree 69 mol 0/0 mechanic 3% poly Bulle butyral ⁇ ) , poly Bulle butyral is 8 mass 0/0, Terubineoru is 92 mass%), it was added and mixed in an amount of 120 g 16 h. Then, the excess solvent acetone was removed, and a paste was prepared by adding 40 to LOOg of tervineol as viscosity adjustment. Green sheet formation, adhesion layer and lightning pole layer transfer
- the electrode layer 12a and the blank pattern layer 24 were formed on the surface of the release layer.
- the electrode layer 12a was formed with a thickness of 1 m by a printing method using the above internal electrode paste.
- the blank pattern layer 24 was formed with a thickness of l / z m by a printing method using the blank pattern layer paste.
- the peel strength of the electrode layer 12a and the blank pattern layer 24 from the PET film was 35.2 mNZcm.
- an adhesive layer 28 was formed on another PET film (second carrier sheet 26) having the same thickness.
- the adhesive layer 28 was formed with a thickness of 0 .: Lm by using a wire bar coater using the above adhesive layer paste.
- the peel strength of the adhesive layer 28 on the PET film is 2.5 mN, 7 cm.
- the transfer pressure applied between the carrier sheets 20 and 26 by the rollers 40 and 42 was 1.2 MPa.
- the conveying speed of carrier sheets 20 and 26 (same as feeding speed and feeding speed) was lmZmin.
- the green sheet 10a is attached to the surfaces of the internal electrode layer 12a and the blank pattern layer 24 via the adhesive layer 28 using the apparatus shown in FIG. Then, under the same conditions as described above, the transfer was attempted to form the laminate unit U1.
- the surface temperature of the first carrier sheet 20 after passing through the rolls 40 and 42 was measured.
- Table 1 shows the workpiece temperature T3. expressed .
- the workpiece temperature T3 was measured by attaching a thermolabel to the center and both edges of the surface of the green sheet when the green sheet was transferred after passing through the roll.
- the green sheet is not transferred at all after passing through the roll, it is measured by attaching a thermo label to the center and both edges of the surface of the electrode layer. It was.
- the filtered centerline waviness (Wca) of the back surface of the first carrier sheet 20 on which the laminate unit U1 thus obtained was formed was measured according to JIS B0610. .
- the results are shown in Table 1.
- the filtered centerline waviness (Wca) is expressed in ⁇ m units as ⁇ .
- the dredging should be 10 m or less.
- the first reason is that (1) if the carrier sheet is wavy, the accuracy of laminating accuracy will be insufficient when determining the laminating position by image processing.
- the second reason is that (2) air is entrapped at the time of lamination, and air pockets are generated in the laminate. Therefore, it is necessary to suppress the carrier sheet swell to 10 / z m or less.
- the electrode layer 12a must be peeled off from the first carrier sheet 20, and the adhesive layer 28 needs to have a greater adhesive strength than the release layer 22.
- the adhesive strength of the layer 28 is preferably 35 NZcm 2 or more. Therefore, in Table 1, when the adhesive strength is 35 NZcm 2 or more, the item of transferability is set as ⁇ , and the value below it is set as X.
- Example 1 (Sample Nos. 11 to 36), since the first transfer roll 40 and the second transfer roll 42 are heated,
- the first predetermined temperature T1 and the second predetermined temperature ⁇ 2 are identical to each other.
- the transfer could be performed satisfactorily and the overall judgment was good. It was also confirmed that the workpiece temperature is preferably 80 ° C or higher.
- Comparative Example 3 (sample numbers 37 to 41) is configured to heat the upper second transfer roll 42 and the upper preheating device 52 in FIG. Even if the setting was changed, the image could not be transferred well.
- Example 2 [0147] In Fig. 3, Comparative Example 1 is the same except that the upper second transfer roll 42 is heated, the lower first preheating device 50 is heated, and the other rolls 40 and the preheating device 52 are not heated. Similarly, the laminate unit U1 shown in FIG. 4C was formed, and the workpiece temperature T3, wrinkle, and adhesive strength were measured, and a comprehensive judgment was made as to whether transfer was possible. The results are shown in Table 3.
- Example 2 As shown in Table 3, in Example 2 (sample numbers 42 to 50), the upper second transfer roll 42 and the lower preheating device 50 in FIG. It was confirmed that the transfer can be performed satisfactorily depending on the temperature condition.
- the preheating temperature by the preheating device 50 is preferably 90 to 100 ° C.
- the heating temperature of the roll 42 is preferably around 120 ° C.
- Example 3 As shown in Table 3, in Example 3 (sample numbers 51 to 59), the upper second transfer roll 42 and the preheating devices 50 and 52 in FIG. Depending on the conditions, it was confirmed that the transfer could be performed satisfactorily.
- the preheating temperature by the preheating devices 50 and 52 is preferably 90 to 100 ° C.
- the heating temperature of the roll 42 is preferably about 110 to 120 ° C.
- Example 4 As shown in Table 4, in Example 4 (sample numbers 60 to 66), the lower first transfer roll 40 and the preheating device 52 in FIG. Depending on the model, it was confirmed that the transfer could be performed well.
- the preheating temperature by the preheating device 52 is preferably 90 to 110 ° C.
- the heating temperature of the roll 40 is preferably around 100 ° C. It could be confirmed.
- Comparative Example 1 except that the lower first transfer roll 40 is heated, the lower first preheating device 50 is heated, and the other rolls 42 and the preheating device 52 are not heated.
- the laminate unit U1 shown in FIG. 4C was formed, and the workpiece temperature T3, wrinkle, and adhesive strength were measured, and comprehensive judgment was made as to whether transfer was possible. The results are shown in Table 4.
- Comparative Example 4 (Sample Nos. 67 to 71) is configured to heat the lower first transfer roll 40 and the lower preheating device 50 in FIG. Even if the temperature was changed, the image could not be transferred well.
- Example 5 As shown in Table 4, in Example 5 (sample numbers 72 to 77), the lower first transfer roll 40 and the preheating devices 50 and 52 in FIG. It was confirmed that the transfer could be performed well depending on the temperature conditions. In this example, it was confirmed that the preheating temperature by the preheating devices 50 and 52 is preferably around 90 ° C., and the heating temperature of the roll 40 is preferably around 100 ° C.
- T Tl + T2 preferably 180 ⁇ 1 + ⁇ 2 ⁇ 200
- the laminate unit U1 shown in 4C was formed, and the workpiece temperature T3, wrinkle, and adhesive strength were measured, and a comprehensive judgment was made as to whether transfer was possible.
- the results are shown in Table 6.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
Claims
Priority Applications (2)
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US11/920,963 US20080264545A1 (en) | 2005-05-26 | 2005-05-26 | Method of Production of an Electronic Device Having Internal Electrode |
PCT/JP2005/009678 WO2006126271A1 (ja) | 2005-05-26 | 2005-05-26 | 内部電極を持つ電子部品の製造方法 |
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PCT/JP2005/009678 WO2006126271A1 (ja) | 2005-05-26 | 2005-05-26 | 内部電極を持つ電子部品の製造方法 |
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Cited By (3)
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JP2008277765A (ja) * | 2007-03-30 | 2008-11-13 | Tdk Corp | 積層セラミック電子部品の製造方法 |
JP2008277766A (ja) * | 2007-03-30 | 2008-11-13 | Tdk Corp | 積層セラミック電子部品の製造方法 |
WO2014112624A1 (ja) * | 2013-01-18 | 2014-07-24 | 積水化学工業株式会社 | 電気デバイス及び電気デバイスの製造方法 |
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CN112420389B (zh) * | 2020-11-09 | 2022-05-06 | 安徽富航电子科技发展有限公司 | 一种层叠式云母电容器及其生产工艺 |
Citations (4)
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JPS6351616A (ja) * | 1986-08-20 | 1988-03-04 | 株式会社村田製作所 | 積層コンデンサの製造方法 |
JP2003234241A (ja) * | 2002-02-06 | 2003-08-22 | Toyo Metallizing Co Ltd | 電子部品用金属膜転写フィルム |
JP2004303976A (ja) * | 2003-03-31 | 2004-10-28 | Tdk Corp | 積層部品の製造方法及び電極付きグリーンシート |
JP2005079229A (ja) * | 2003-08-29 | 2005-03-24 | Tdk Corp | 積層電子部品用の積層体ユニットの製造方法および少なくとも1つの積層体ユニットを含む積層電子部品用の積層体ユニットセットの製造方法 |
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CN1791952A (zh) * | 2003-04-18 | 2006-06-21 | Tdk株式会社 | 用于制造多层电子组件的多层单元的方法 |
-
2005
- 2005-05-26 US US11/920,963 patent/US20080264545A1/en not_active Abandoned
- 2005-05-26 WO PCT/JP2005/009678 patent/WO2006126271A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6351616A (ja) * | 1986-08-20 | 1988-03-04 | 株式会社村田製作所 | 積層コンデンサの製造方法 |
JP2003234241A (ja) * | 2002-02-06 | 2003-08-22 | Toyo Metallizing Co Ltd | 電子部品用金属膜転写フィルム |
JP2004303976A (ja) * | 2003-03-31 | 2004-10-28 | Tdk Corp | 積層部品の製造方法及び電極付きグリーンシート |
JP2005079229A (ja) * | 2003-08-29 | 2005-03-24 | Tdk Corp | 積層電子部品用の積層体ユニットの製造方法および少なくとも1つの積層体ユニットを含む積層電子部品用の積層体ユニットセットの製造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008277765A (ja) * | 2007-03-30 | 2008-11-13 | Tdk Corp | 積層セラミック電子部品の製造方法 |
JP2008277766A (ja) * | 2007-03-30 | 2008-11-13 | Tdk Corp | 積層セラミック電子部品の製造方法 |
WO2014112624A1 (ja) * | 2013-01-18 | 2014-07-24 | 積水化学工業株式会社 | 電気デバイス及び電気デバイスの製造方法 |
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