WO2005083720A1 - 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 - Google Patents
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 Download PDFInfo
- Publication number
- WO2005083720A1 WO2005083720A1 PCT/JP2005/002882 JP2005002882W WO2005083720A1 WO 2005083720 A1 WO2005083720 A1 WO 2005083720A1 JP 2005002882 W JP2005002882 W JP 2005002882W WO 2005083720 A1 WO2005083720 A1 WO 2005083720A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acetate
- electrode layer
- ceramic green
- green sheet
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- 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
- H01G4/008—Selection of materials
-
- 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
- H01G4/008—Selection of materials
- H01G4/0085—Fried 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
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
-
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
- H05K1/092—Dispersed materials, e.g. conductive pastes or inks
Definitions
- the present invention relates to a method for manufacturing a conductor paste for a multilayer ceramic electronic component and a multilayer unit for a multilayer ceramic electronic component, and more particularly, to a method for manufacturing a multilayer ceramic electronic component in a layer adjacent to an electrode layer.
- Conductive paste that can surely prevent short circuit failures from occurring in multilayer ceramic electronic components that do not dissolve the binder, and reliably prevent short circuit failures from occurring in multilayer ceramic electronic components.
- the present invention relates to a method for manufacturing a multilayer unit for a multilayer ceramic electronic component.
- a ceramic powder In order to manufacture a multilayer ceramic electronic component represented by a multilayer ceramic capacitor, first, a ceramic powder, a binder such as an acrylic resin and a petital resin, and phthalenolates, glycols, adipic acid, and phosphates are used. Is mixed with an organic solvent such as toluene, methyl ethyl ketone, and acetone to prepare a dielectric paste for a ceramic green sheet.
- a binder such as an acrylic resin and a petital resin
- phthalenolates glycols, adipic acid, and phosphates
- the dielectric paste is applied on a support sheet formed of polyethylene terephthalate (PET), polypropylene (PP), or the like using an etastrusion coater or a gravure coater, and heated. Then, the coating film is dried to produce a ceramic green sheet.
- PET polyethylene terephthalate
- PP polypropylene
- a conductive paste is prepared by dissolving a conductive powder such as Eckenole and a binder in a solvent such as turbineol, and the conductive paste is placed on a ceramic green sheet by a screen printing machine or the like. Print and dry with the pattern of the above to form the electrode layer To do.
- the ceramic green sheet on which the electrode layer is formed is peeled off by a supporting sheet to form a laminate unit including the ceramic green sheet and the electrode layer, and a desired number of laminate units are formed. Are laminated and pressurized, and the obtained laminate is cut into chips to produce green chips.
- the binder is removed from the green chip, the green chip is fired, and external electrodes are formed, whereby a multilayer ceramic electronic component such as a multilayer ceramic capacitor is manufactured.
- a binder for ceramic green sheets it is most commonly used as a solvent for a conductor paste on a ceramic green sheet using petitral resin, which is widely used.
- the binder of the ceramic green sheet is dissolved by the terpineol in the conductor paste to form the ceramic green sheet. The sheet swells or partially dissolves, causing pinhole cracks in the ceramic green sheet, causing a short circuit.
- JP-A-5-325633, JP-A-7-21833 and JP-A-7-21832 disclose hydrogenated tarpineols such as dihydrotavineol, dihydroterpineol acetate, etc. in place of terpineol.
- Terpeneol such as dihydrotapineol and terpene solvents such as dihydroterpineol acetate are still using terpene resin, which is a binder for ceramic green sheets. Therefore, it has a certain degree of solubility, and when the thickness of the ceramic green sheet is extremely small, it is difficult to prevent pinholes and cracks from being generated in the ceramic green sheet. was there.
- Japanese Patent Application Laid-Open No. 2002-270456 discloses that a conductive paste containing, as a solvent, isobonyl acetate, which hardly dissolves a petilal-based resin, is printed on a ceramic green sheet containing a petilal-based resin as a binder. Discloses a multilayer ceramic electronic component having an electrode layer formed thereon, and discloses that it is preferable to use ethyl cellulose as a binder for the conductive paste. Since the conductive paste of isobonyl acetate has a low viscosity and a high fluidity, when the conductive paste is printed on the ceramic green sheet using a screen printing machine, the conductive paste is screen-plated. However, there is a problem that the conductive paste oozes out and the electrode layer cannot be printed as desired. There is also a problem that the pattern of the printed electrode layer is easily blurred.
- the present invention can reliably prevent short circuit failure from occurring in a multilayer ceramic electronic component that does not dissolve the binder contained in a layer adjacent to the electrode layer.
- Another object of the present invention is to provide a conductive paste having excellent printability.
- Another object of the present invention is to provide a multilayer ceramic electronic component that can reliably prevent a short circuit from occurring in a multilayer ceramic electronic component and can form an electrode layer as desired.
- An object of the present invention is to provide a method of manufacturing a laminate unit for an electronic component.
- the present inventors have conducted intensive studies to achieve the object of the present invention. As a result, ethyl cellulose having a weight average molecular weight of MW and ethyl cellulose having a weight average molecular weight of MW were obtained.
- a conductive paste having a viscosity suitable for printing can be prepared as much as possible. Can be dissolved in a solvent.As a binder, even if an electrode layer is formed by printing a conductor paste on a ceramic green sheet containing butyral-based resin, it is included in the conductor paste.
- the binder contained in the ceramic green sheet is Solution is it is Nag Therefore, when the thickness of the ceramic green sheet is very thin was also found that the ceramic green sheet pinholes or cracks can reliably prevent the occurrence.
- the present invention is based on such findings, and therefore, the object of the present invention is to provide an ethyl cellulose having a weight average molecular weight of MW and an ethyl cellulose having a weight average molecular weight of MW.
- Acetate, dihydroterpininolemethinoleatenole, terpininolemethineoleatenoate, 1-terpinyl acetate, 1_dihydrocarbyl acetate, 1_menthon, 1_menthyl acetate, I-perillyl acetate and I-carbyl This is achieved by a conductor paste containing at least one solvent selected from the group consisting of acetate.
- the object of the present invention is also to provide an ethyl cellulose having a weight average molecular weight of MW and a weight average molecular weight of M on a ceramic daline sheet containing a butyral-based resin as a binder.
- a conductive paste having a viscosity suitable for printing can be prepared, and as a binder, it is possible to form an electrode layer as desired. Even when a conductive paste is printed on an extremely thin ceramic green sheet containing a resin to form an electrode layer, the conductive paste is not included in the ceramic green sheet due to the solvent contained in the conductive paste. The ceramic green sheet does not swell or partially dissolve because the binder is not dissolved, so even if the thickness of the ceramic green sheet is extremely small, the ceramic green sheet is not pinched. Holes and cracks can be reliably prevented from occurring.
- MW, MW and X are X * MW + (1 ⁇ X) * MW
- a power of 550,000 is chosen to be 250,000.
- the degree of polymerization of the butyral-based resin contained in the ceramic green sheet as the binder is preferably 1000 or more.
- the degree of petitial conversion of a petital-based resin is 64 mol.
- ethyl cellulose having a weight average molecular weight of MW and ethyl cellulose having a weight average molecular weight of MW are further provided.
- the spacer layer is formed on the ceramic green sheet in a pattern complementary to the pattern of the electrode layer, the surface of the electrode layer and the electrode layer Steps can be prevented from being formed between the ceramic green sheet and the surface of the ceramic green sheet where no ceramic green sheet is formed.
- each of the multilayer units including the ceramic green sheet and the electrode layer is laminated.
- a mixed solvent of terbineol and kerosene, dihydroterpineol, and tavineol which have been used so far, are ceramic green sheets.
- the ceramic green sheet swells or partially dissolves to dissolve the butyral resin contained as a binder in the glass, and voids occur at the interface between the ceramic green sheet and the spacer layer, or Cracks and wrinkles are generated on the surface of the spacer layer, voids are generated in the multilayer ceramic capacitor manufactured by laminating and firing the multilayer units, and further, the cracked and wrinkled spacer layers are generated.
- the dielectric material used to form the spacer layer has a problem.
- the paste is composed of ethyl cellulose having a weight average molecular weight of MW and ethyl cellulose having a weight average molecular weight of MW, X: (1-X
- the MW power is chosen to be between 10,000 and 180,000. ), Isobonyl acetate, dihydrota
- Solvents selected from the group consisting of 1-ter, ⁇ -terpinyl acetate, I-dihydrocarbyl acetate, I-menthone, I-menthyl acetate, I-perylyl acetate and I-carbyl acetate serve as a binder for the ceramic green sheet.
- the contained petilal resin hardly dissolves, the ceramic green sheet swells or partially dissolves, creating a void at the interface between the ceramic green sheet and the spacer layer, or It is possible to reliably prevent cracks and wrinkles from being generated on the surface of the ceramic layer, and therefore, a multilayer ceramic capacitor manufactured by stacking a number of multilayer units including ceramic green sheets and electrode layers. It is possible to reliably prevent voids from occurring in laminated electronic components such as .
- ethyl cellulose having a weight average molecular weight of MW and ethyl cellulose having a weight average molecular weight of MW are used.
- X are chosen to be X * MW + (1-X) * MW power Sl l to 180,000. )
- the dielectric paste containing at least one solvent selected from the group has a viscosity suitable for printing
- the dielectric paste on the ceramic green sheet has a pattern complementary to the pattern of the electrode layer. Can be printed to form the spacer layer as desired.
- the electrode layer is formed by printing a conductive paste on a release layer having a composition
- the release layer contains petital resin as a binder
- the conductive paste contains terpineol as a solvent.
- the binder layer contained in the release layer is dissolved by the solvent contained in the conductive paste, and the release layer swells or partially dissolves, creating a void at the interface between the release layer and the electrode layer.
- ethyl cellulose having a weight average molecular weight of MW and weight
- a binder containing ethyl cellulose having an average molecular weight of MW in a weight ratio of X: (1—X) (here,
- An electrode layer is formed using a conductive paste containing at least one solvent selected from the group consisting of carbyl acetate, and isobornyl acetate, dihydrota-pinyl methyl ether, terpininole methyl ether, ⁇ -terpinyl Solvents selected from the group consisting of acetate, I-dihydrocarbyl acetate, I-menthone, I-menthyl acetate, I-perillyl acetate and tricarbyl acetate, butyrate contained in ceramic green sheets as an indica Hardly dissolves Therefore, even when a release layer containing the same binder as
- the invention's effect it is possible to reliably prevent a short circuit failure from occurring in a multilayer ceramic electronic component that does not dissolve a binder contained in a layer adjacent to an electrode layer. Moreover, it is possible to provide a conductor paste having excellent printability.
- the present invention it is possible to reliably prevent a short circuit from occurring in the multilayer ceramic electronic component, and to form the electrode layer as desired. It is possible to provide a method for manufacturing a laminate unit for a component.
- a dielectric paste for a ceramic green sheet containing a petyral-based resin as a binder is prepared, and the paste is elongated using an etastrusion coater, a wire bar coater, or the like. It is applied on a support sheet in the form of a film to form a coating film.
- a dielectric paste for forming a ceramic green sheet is usually prepared by kneading a dielectric material (ceramic powder) and an organic vehicle in which a petital-based resin is dissolved in an organic solvent.
- the degree of polymerization of the butyral resin is 1000 or more.
- the butyralization degree of the butyral-based resin is preferably 64 mol% or more and 78 mol% or less.
- the organic solvent used for the organic vehicle is not particularly limited, and organic solvents such as butyl carbitol, acetone, toluene, and ethyl acetate are used.
- the dielectric material is appropriately selected from various compounds that can be a composite oxide or an oxide, for example, a carbonate, a nitrate, a hydroxide, an organometallic compound, and the like, and a mixture thereof can be used.
- the dielectric material is generally used as a powder having an average particle size of about 0.1 xm to about 3.0 xm.
- the particle size of the dielectric material is smaller than the thickness of the ceramic green sheet.
- the content of each component in the dielectric paste is not particularly limited.For example, about 2.5 parts by weight to about 10 parts by weight of a petyral resin and about 50 parts by weight with respect to 100 parts by weight of a dielectric material.
- the dielectric paste can be prepared to contain from about 320 parts by weight of solvent to about 320 parts by weight.
- the dielectric paste may contain additives such as various dispersants, plasticizers, charging aids, release agents, and wetting agents, if necessary. When these additives are added to the dielectric paste, the total content is desirably about 10% by weight or less.
- the support sheet to which the dielectric paste is applied for example, polyethylene terephthalate film or the like is used, and in order to improve the releasability, the surface thereof is coated with a silicone resin, phenolic resin, or the like. Let's do it.
- the coating film is 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 support sheet. .
- the thickness of the ceramic green sheet after drying is preferably 3 am or less, more preferably 1.5 x m or less.
- a conductive paste for an electrode layer is printed in a predetermined pattern on a ceramic green sheet formed on the surface of the long support sheet using a screen printing machine or a gravure printing machine. And dried to form an electrode layer.
- the electrode layer is preferably formed to a thickness of about 0.1 ⁇ m to about 5 ⁇ m, more preferably about 0.11 / 111, and a thickness of about 1.5 ⁇ m. m.
- the conductive paste for the electrode layer is a conductive material made of various conductive metals and alloys, and various oxides, organometallic compounds, or resinates that become conductive materials made of various conductive metals and alloys after firing. And an organic vehicle in which ethyl cellulose is dissolved in a solvent.
- the conductive paste has a weight-average molecular weight of MW and an ethylcell port.
- Binder (where MW, MW and X are X * MW + (1-X) * MW power S14.
- the solvent contained in the conductor paste dissolves the binder contained in the ceramic green sheet, causing the ceramic green sheet to swell, or Melting of the ceramic green sheet can be effectively prevented even when the thickness of the ceramic green sheet is extremely small. Will be able to
- ethyl cellulose having a weight average molecular weight of MW and ethyl cellulose having a weight average molecular weight of MW
- X are chosen to be X * MW + (1-X) * MW power S14.
- the conductive paste containing at least one solvent selected from the group consisting of one carbyl acetate has a viscosity suitable for printing, using a screen printing machine or a gravure printing machine, as desired,
- the electrode layer can be formed in a predetermined pattern on the ceramic Darline sheet.
- MW, MW and X are X * MW + (1_X) * MW power 15,000 to
- the conductive material used for producing the conductive paste Ni, a Ni alloy or a mixture thereof is preferably used.
- the shape of the conductive material is not particularly limited, and may be spherical, scaly, or a mixture of these shapes.
- the average particle size of the conductive material is not particularly limited, it is generally about 0.1 ⁇ m, preferably 2 ⁇ m, preferably 0.2 ⁇ m.
- the conductive S material layer has a thickness of about 1 ⁇ m.
- the conductor paste preferably contains about 2.5 parts by weight and about 20 parts by weight of binder, based on 100 parts by weight of the conductor material.
- the content of the solvent is preferably about 20% by weight to about 55% by weight based on the whole conductive paste.
- the conductor paste preferably contains a plasticizer.
- the plasticizer contained in the conductor paste is not particularly limited, and examples thereof include phthalate, adipic acid, phosphate, and glycols.
- the conductor paste preferably contains about 10 parts by weight to about 300 parts by weight, more preferably about 10 parts by weight to about 200 parts by weight, based on 100 parts by weight of the binder. If the amount of the plasticizer is too large, the strength of the electrode layer tends to be significantly reduced, which is not preferable.
- the conductor paste may contain additives selected from various dispersants, auxiliary component compounds, and the like, if necessary.
- ethyl cellulose having a weight average molecular weight of MW and a weight average molecular weight are obtained before the electrode layer is formed or after the electrode layer is formed and dried.
- MW and X are chosen to be X * MW + (1_X) * MW power 10,000 or 180,000
- a dielectric paste for a spacer layer containing at least one solvent selected from the group consisting of a screen printing machine and a gravure printing machine is provided on the surface of the ceramic green sheet in a pattern complementary to the electrode layer pattern. Used to form a spacer layer.
- the spacer layer on the surface of the ceramic green sheet with a pattern complementary to the pattern of the electrode layer, the surface of the electrode layer and the ceramic without the electrode layer are formed.
- a step can be prevented from forming between the surface of the green sheet and a multilayer ceramic capacitor manufactured by stacking a number of multilayer units each including a ceramic green sheet and an electrode layer. It is possible to effectively prevent the multilayer electronic component from being deformed, and to effectively prevent the occurrence of delamination.
- the solvent selected from the group consisting of perillyl acetate and tricarbyl acetate hardly dissolves the butyral resin contained in the ceramic green sheet as a binder, and is therefore included in the dielectric paste for forming the spacer layer.
- the solvent swells or partially dissolves the ceramic green sheet to form voids at the interface between the ceramic green sheet and the spacer layer, or cracks and wrinkles on the surface of the spacer layer. This can be reliably prevented from occurring.
- ethyl cellulose having a weight average molecular weight of MW and ethyl cellulose having a weight average molecular weight of MW
- X are chosen to be X * MW + (1-X) * MW power Sl l to 180,000. )
- the dielectric paste for the spacer layer containing at least one solvent selected from the group consisting of building acetate has a viscosity suitable for printing, it is necessary to use a screen printing machine or a gravure printing machine.
- the spacer layer can be formed on the ceramic green sheet in a pattern complementary to the pattern of the electrode layer.
- the dielectric paste for the spacer layer is prepared in the same manner as the dielectric paste for the ceramic green sheet, except that a different binder and a different solvent are used.
- the electrode layer or the electrode layer and the spacer layer are dried to form a laminate unit in which the ceramic green sheet and the electrode layer or the electrode layer and the spacer layer are laminated on the support sheet. Is done.
- a support sheet is peeled off from a ceramic dust sheet of a multilayer unit, cut into a predetermined size, and a predetermined number of multilayer units are stacked on the outer layer of the multilayer ceramic capacitor. And the other outer layer is further laminated on the laminate unit, and the obtained laminate is press-formed to 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.
- ethyl cellulose having a weight average molecular weight of MW and ethyl cellulose having a weight average molecular weight of MW are formed on a ceramic green sheet containing a petyral resin.
- X are chosen to be X * MW + (1-X) * MW power 50,000
- Solvent selected from the group consisting of pininole methyl ether, terpinyl methyl ether, ⁇ -terpinyl acetate, I-dihydro rubyl acetate, I-mentone, I-menthyl acetate, I-perylyl acetate and I-carbyl acetate Is used as a binder on ceramic green sheets. Almost no dissolution of the puttyral resin occurs, so even when the conductive paste is printed on an extremely thin ceramic green sheet to form an electrode layer, the solvent contained in the conductive paste causes the ceramic green The binder contained in the sheet is dissolved, and the swelling or partial dissolution of the ceramic green sheet can be effectively prevented, so that the thickness of the ceramic green sheet is extremely thin. In this case, pinholes and cracks are effectively prevented from occurring in the ceramic green sheets, and laminated units are stacked to effectively prevent short-circuiting from occurring in the manufactured multilayer ceramic capacitor. It becomes possible to do.
- ethyl cellulose having a weight average molecular weight of MW and ethyl cellulose having a weight average molecular weight of MW on a ceramic green sheet containing a butyral-based resin as a binder are ethyl cellulose having a weight average molecular weight of MW and ethyl cellulose having a weight average molecular weight of MW on a ceramic green sheet containing a butyral-based resin as a binder.
- a spacer layer is formed by printing a dielectric paste for a spacer layer containing at least one solvent selected from the group consisting of one carbyl acetate in a pattern complementary to the pattern of the electrode layer. It is composed of isoboninoleate acetate, dihydroterpininolemethinole ethere, terpininolemethinooleatenole
- Solvents selected from the group consisting of, terpinyl acetate, 1_dihydrocarbyl acetate, 1_menthone, 1_menthyl acetate, I-perylyl acetate and I-carbyl acetate are included as a binder in the ceramic green sheet Since the little butler-based resin is hardly dissolved, even when a dielectric paste is printed on an extremely thin ceramic green sheet to form a spacer layer, the solvent contained in the dielectric paste can be used. In addition, it is necessary to ensure that the binder contained in the ceramic green sheet is melted and voids are generated at the interface between the ceramic green sheet and the spacer layer, or cracks and wrinkles are generated on the surface of the spacer layer.
- a second support sheet different from the long support sheet used for forming the ceramic green sheet is provided, and the second long support sheet is provided.
- a dielectric paste containing particles of a dielectric material having substantially the same composition as the dielectric material contained in the ceramic green sheet on the surface of the support sheet, and containing the same binder as the binder contained in the ceramic green sheet. Is applied and dried using a wire bar coater or the like to form a release layer.
- the second support sheet for example, a polyethylene terephthalate film or the like is used, and a silicone resin, an alkyd resin, or the like is coated on the surface to improve the releasability. It's a tent, it's good.
- the thickness of the release layer is preferably equal to or less than the thickness of the electrode layer, preferably equal to or less than about 60% of the thickness of the electrode layer, and more preferably equal to or less than about 30% of the thickness of the electrode layer. It is as follows.
- the conductive paste for the electrode layer prepared in the same manner as described above is applied on the surface of the release layer by using a screen printing machine, a gravure printing machine, or the like. It is printed in a predetermined pattern and dried to form an electrode layer.
- the electrode layer is preferably formed to a thickness of about 0.1 ⁇ m to about 5 ⁇ m, more preferably, to a thickness of 1.5 x 1.5 m. is there.
- the conductive paste has a weight-average molecular weight of MW and an ethylcell port.
- Binder (where MW, MW and X are X * MW + (1-X) * MW power S14.
- ethyl cellulose having a weight average molecular weight of MW and ethyl cellulose having a weight average molecular weight of MW
- X are chosen to be X * MW + (1-X) * MW power S14.
- the conductive paste containing at least one solvent selected from the group consisting of luacetate, I-perylyl acetate and I-carbyl acetate has a viscosity suitable for printing, a screen printing machine or a gravure printing machine is used.
- the electrode layer can be formed in a predetermined pattern on the release layer as desired by using, for example.
- MW, MW and X are X * MW + (1_X) * MW power Si 550,000 or more
- ethyl cellulose having a weight average molecular weight of MW and a weight average molecular weight are obtained before the electrode layer is formed or after the electrode layer is formed and dried.
- MW and X are chosen to be X * MW + (1-X) * MW power l l 10,000 to 180,000
- the prepared dielectric paste for the spacer layer contains at least one solvent selected from the group consisting of Then, using a screen printing machine, a gravure printing machine, or the like, printing is performed to form a spacer layer.
- the spacer layer on the surface of the release layer in a pattern complementary to the pattern of the electrode layer, the surface of the electrode layer and the release layer on which the electrode layer is not formed are formed. Steps can be prevented from forming between the surface and the surface.Each of them can be a multilayer ceramic capacitor or the like manufactured by laminating a number of multilayer units including a ceramic Darline sheet and an electrode layer. Deformation of the laminated electronic component can be effectively prevented, and delamination can be effectively prevented.
- ethyl cellulose having a weight average molecular weight of MW and ethyl cellulose having a weight average molecular weight of MW are used.
- X are chosen to be X * MW + (1-X) * MW power Sl l to 180,000. )
- the dielectric paste containing at least one solvent selected from the group consisting of carbyl acetate has a viscosity suitable for printing.
- the spacer layer can be formed on the release layer in a pattern complementary to the pattern of the electrode layer.
- an elongate third support sheet is prepared, and an adhesive solution is applied to the surface of the third support sheet by a bar coater, an extrusion coater, a reverse coater, a dip coater, a kiss coater, or the like. After drying, an adhesive layer is formed.
- the adhesive solution contains substantially the same binder as the binder contained in the dielectric base for forming the ceramic green sheet, and the particles of the dielectric material contained in the ceramic green sheet. And a particle of a dielectric material having a particle size equal to or less than the thickness of the adhesive layer, a plasticizer, an antistatic agent, and a release agent.
- the adhesive layer is preferably formed to a thickness of about 0.3 / im or less, more preferably about 0.02 zm, and more preferably about 0.3 zm. It is formed to have a thickness of 0.02 xm.
- the adhesive layer formed on the long third support sheet is formed by the electrode layer or the electrode layer and the spacer layer formed on the long second support sheet or the support layer.
- the third support sheet is adhered to the surface of the ceramic green sheet formed on the sheet, and after the adhesion, the third support sheet is peeled off from the adhesive layer, and the adhesive layer is transferred.
- the adhesive layer is transferred to the surface of the electrode layer or the electrode layer and the spacer layer,
- the ceramic green sheet formed on the surface of the long support sheet is adhered to the surface of the adhesive layer.
- the support sheet is peeled off from the ceramic green sheet, and the ceramic green sheet becomes the surface of the adhesive layer.
- a ceramic green sheet and a laminate unit including an electrode layer or an electrode layer and a spacer layer are prepared.
- the adhesive layer is transferred to the surface of the ceramic green sheet of the laminate unit obtained in this way, to the surface of the electrode layer or the electrode layer and the spacer layer in the same manner as the adhesive layer is transferred.
- the laminate unit having the adhesive layer transferred to the surface thereof is cut into a predetermined size.
- a predetermined number of laminated units to which the adhesive layer has been transferred are produced on the surface thereof, and a prescribed number of laminated units are laminated to produce a laminated block.
- the laminate unit In manufacturing the laminate block, first, the laminate unit is placed on a support formed of polyethylene terephthalate or the like so that the adhesive layer transferred to the surface of the laminate unit is in contact with the support. After being positioned and pressed by a press or the like, the laminate unit is adhered to the support through an adhesive layer.
- the second support sheet is peeled off by the peeling layer force, and the laminate unit is laminated on the support.
- a new laminate unit is positioned such that the adhesive layer formed on the surface is in contact with the surface of the release layer of the laminate unit laminated on the support.
- a new laminate unit is laminated via an adhesive layer on the release layer of the laminate unit laminated on the support under pressure, and then the second laminate unit is removed from the release layer of the new laminate unit.
- the second support sheet is peeled off.
- the adhesive layer is transferred to the surface of the ceramic green sheet
- the electrode layer or the electrode layer and the spacer layer formed on the second support sheet are attached to the surface of the adhesive layer.
- the second support sheet is peeled off from the release layer, and the electrode layer or the electrode layer and the spacer layer and the release layer are transferred to the surface of the adhesive layer.
- a laminate unit including the sub-layer is created. [0077]
- the adhesive layer is transferred onto the surface of the release layer of the laminate unit thus obtained in the same manner as the adhesive layer is transferred onto the surface of the ceramic green sheet, and the adhesive layer is transferred onto the surface of the adhesive layer.
- the laminated unit thus cut is cut into a predetermined size.
- the laminate unit In manufacturing the laminate block, first, the laminate unit is placed on a support formed of polyethylene terephthalate or the like so that the adhesive layer transferred to the surface of the laminate unit is in contact with the support. After being positioned and pressed by a press or the like, the laminate unit is adhered to the support through an adhesive layer.
- the support sheet is peeled off from the ceramic green sheet, and the laminate unit is laminated on the support.
- a new laminate unit is positioned so that the adhesive layer formed on the surface thereof is in contact with the surface of the ceramic green sheet of the laminate unit laminated on the support.
- a new laminate unit is laminated via an adhesive layer on the ceramic green sheet of the laminate unit that is pressed and laminated on the support, and then the support sheet is formed from the ceramic of the new laminate unit. Is peeled off.
- the laminate block including the predetermined number of laminate units thus produced is laminated on the outer layer of the multilayer ceramic capacitor, and the other outer layer is further laminated on the laminate block.
- the laminate is pressed and cut into a predetermined size to produce a 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 electrode layer and the spacer layer formed on the second support sheet are dried, the electrode layer and the spacer layer are adhered to the surface of the ceramic green sheet via the adhesive layer. Because it is composed, the conductor paste is printed on the surface of the ceramic green sheet to form an electrode layer, and the dielectric paste is printed to form a spacer layer. It is possible to form the electrode layer and the spacer layer on the surface of the ceramic green sheet as desired, without infiltration of the dielectric paste into the ceramic green sheet.
- ethyl cellulose having a weight average molecular weight of MW and weight average
- a binder containing ethyl cellulose having an average molecular weight of MW in a weight ratio of X: (1—X) (here,
- MW, MW and X are X * MW + (1-X) * MW.
- An electrode layer is formed using a conductive paste containing at least one solvent selected from the group consisting of: isobonyl acetate, dihydrotapinyl methyl ether, terpinyl methyl ether, ⁇ - terpinyl acetate, Solvents selected from the group consisting of dihydrocarbyl acetate, I-menthone, I-menthyl acetate, toperyl acetate and tocarbyl acetate hardly dissolve the butyral-based resin contained as a binder in the ceramic green sheet Also, when a release layer containing the same binder as the ceramic green sheet
- ethyl cellulose having a weight average molecular weight of MW
- a binder containing ethyl cellulose having an average molecular weight of MW in a weight ratio of X: (1—X) (here,
- MW, MW and X are X * MW + (1-X) * MW power ⁇ 10,000 or 180,000
- the release layer swells or partially dissolves, resulting in a void at the interface between the release layer and the spacer layer, or Cracks and wrinkles can be effectively prevented from forming on the surface of the layer, and
- By laminating a large number of multilayer units including ceramic green sheets and electrode layers it is possible to reliably prevent voids from being generated in the manufactured multilayer ceramic capacitor, and to form on the surface of the spacer layer
- the cracks and wrinkles that have been formed are missing and mixed as foreign matter into the laminate to ensure that internal defects occur in the multilayer ceramic capacitor. Can be prevented.
- the peel strength or the peel strength between the peel layer and the electrode layer and the spacer layer is increased by the swelling or partial dissolution of the peel layer. It becomes possible to effectively prevent the peel strength between the two support sheets from changing and causing a problem when the laminate unit is produced.
- the adhesive layer when the adhesive layer is transferred to the surface of the electrode layer or the electrode layer and the spacer layer, the adhesive layer is peeled off on the long second support sheet.
- Layer, electrode layer or electrode layer and spacer layer, adhesive layer, and ceramic green sheet are laminated, and the adhesive layer is transferred to the surface of the ceramic green sheet of the formed laminate unit.
- a laminated unit set in which a predetermined number of laminated units are laminated is produced. Further, a third surface of the ceramic line sheet positioned on the surface of the laminated unit set is provided with a third unit. After the adhesive layer formed on the support sheet is transferred, the laminate is cut into a predetermined size to produce a laminate block.
- the adhesive layer is transferred to the surface of the ceramic green sheet, the ceramic green sheet, the adhesive layer, the electrode layer or the electrode layer and the spacer layer, and After the release layer is laminated and the adhesive layer is transferred to the surface of the release layer of the formed laminate unit, the long second support sheet is formed on the adhesive layer that does not cut the laminate unit.
- a release layer, an electrode layer or an electrode layer and a spacer layer, an adhesive layer, and a ceramic green sheet are laminated thereon.
- the support sheet is peeled off, and the two laminate units are stacked on the long support sheet.
- the adhesive layer formed on the third support sheet is transferred onto the release layer located on the surface of the two laminate units, and the long second support sheet is further transferred to the adhesive layer.
- the release layer, the electrode layer or the electrode layer and the spacer layer, the adhesive layer, and the ceramic Darline sheet are laminated on the sheet, and the ceramic green sheet of the formed laminate unit is bonded, and the second support from the release layer is formed.
- the sheet is peeled.
- a laminate unit set in which a predetermined number of laminate units are laminated is produced. Further, the surface of the release layer located on the surface of the laminate unit set has a third layer. After the transfer of the adhesive layer formed on the support sheet, the adhesive sheet is cut into a predetermined size to produce a laminate block.
- the lamination is performed on the long second support sheet or the support sheet.
- the stacking units are stacked one after another to create a stacking unit set including a predetermined number of stacking units, and then the stacking unit set is cut into a predetermined size to form a stacking block.
- the adhesive layer when the adhesive layer is transferred to the surface of the electrode layer or the electrode layer and the spacer layer, the adhesive layer is formed on the elongated second support sheet.
- a release layer, an electrode layer or an electrode layer and a spacer layer, an adhesive layer, and a ceramic green sheet are laminated, and the adhesive layer is transferred onto the surface of the ceramic green sheet of the formed laminate unit.
- the electrode layer or the electrode layer and the spacer layer formed on the second support sheet are adhered to the adhesive layer where the unit is not cut, and the second support sheet is peeled off from the release layer to form the electrode layer.
- the electrode and spacer layers and the release layer are transferred to the surface of the adhesive layer.
- the adhesive layer formed on the third support sheet is transferred to the surface of the release layer transferred to the surface of the adhesive layer, and the ceramic green sheet formed on the support sheet is attached to the adhesive layer.
- the support sheet is peeled off from the ceramic green sheet, and the ceramic Darline sheet is transferred to the surface of the adhesive layer.
- the adhesive layer formed on the third support sheet is transferred to the surface of the ceramic green sheet transferred to the surface of the adhesive layer, and the electrode layer formed on the second support sheet sheet is transferred.
- the electrode layer and the spacer layer are bonded to the adhesive layer, the second support sheet is peeled from the release layer, and the electrode layer or the electrode layer, the spacer layer, and the release layer are formed on the surface of the adhesive layer. Transcribed.
- a laminate unit set in which a predetermined number of laminate units are laminated is produced, and further, an adhesive layer is formed on the surface of the ceramic Darrieen sheet located on the surface of the laminate unit set. After being transferred, the laminate is cut into a predetermined size to produce a laminate block.
- the adhesive layer is transferred to the surface of the ceramic green sheet, the ceramic green sheet, the adhesive layer, the electrode layer or the electrode layer and the metal sheet are formed on the long support sheet.
- the adhesive layer is transferred to the surface of the release layer of the laminated unit formed by laminating the laminate layer and the release layer, the adhesive is transferred to the adhesive layer without cutting the laminated unit, and the support sheet is placed on the support sheet.
- the formed ceramic green sheet is adhered, the support sheet is separated from the ceramic green sheet, and the ceramic green sheet is transferred to the surface of the adhesive layer.
- the adhesive layer formed on the third support sheet is transferred to the surface of the ceramic green sheet transferred to the surface of the adhesive layer, and the electrode layer or the electrode formed on the second support sheet is transferred.
- the layer and the spacer layer are adhered to the adhesive layer, the second support sheet is peeled from the release layer, and the electrode layer or the electrode layer and the spacer layer and the release layer are transferred to the surface of the adhesive layer.
- the adhesive layer formed on the third support sheet is transferred to the surface of the release layer transferred to the surface of the adhesive layer, and the ceramic green sheet formed on the support sheet sheet is bonded to the adhesive layer.
- the support sheet is separated from the ceramic green sheet, and the ceramic green sheet is transferred to the surface of the adhesive layer.
- a laminate unit set in which a predetermined number of laminate units are laminated is produced, and further, an adhesive layer is formed on the surface of the release layer located on the surface of the laminate unit set. After the transfer, the laminate is cut into a predetermined size to produce a laminate block.
- a multilayer ceramic capacitor is manufactured using the multilayer block thus manufactured in the same manner as in the above embodiment.
- the transfer of the adhesive layer, the electrode layer or the electrode layer, and the spacer are formed on the surface of the long second support sheet or the laminate unit formed on the support sheet.
- the laminate units are successively laminated to produce a laminate unit set including a predetermined number of laminate units, and thereafter, Since the laminate unit set is cut to a predetermined size to form a laminate block, the laminate unit units cut to a predetermined size are laminated one by one to form a laminate block. It is possible to greatly improve the manufacturing efficiency of the laminated body block as compared with the case of manufacturing a laminated body.
- soybean curd powder With respect to 100 parts by weight of the soybean curd powder thus prepared, 72.3 parts by weight of ethyl alcohol, 72.3 parts by weight of propinolone, 25.8 parts by weight of xylene, and 0. A slurry was prepared by mixing 93 parts by weight of a polyethylene glycol-based dispersant, and the additives in the slurry were ground.
- the median diameter of the pulverized additive was 0.1 ⁇ .
- polybutyl butyral polymerization degree 1450, butyralization degree 69 mol%
- C dissolve in 42.5 parts by weight of ethyl alcohol and 42.5 parts by weight of propyl alcohol to prepare a 15% solution of an organic vehicle, and further add 500 cc of a slurry having the following composition.
- Mixing was performed for 20 hours using a polyethylene container to prepare a dielectric paste.
- the polyethylene container is filled with 330.lg of slurry and 900 g of ZrO beads (diameter 2 mm), and the polyethylene container is rotated at a peripheral speed of 45 mZ.
- BaTiO powder manufactured by Sakai Danigaku Kogyo Co., Ltd .: trade name "BT-02": particle size 0.2 ⁇ m
- the obtained dielectric paste was applied on a polyethylene terephthalate film at a coating speed of 50 m / min using a die coater to form a coating film, which was obtained in a drying oven maintained at 80 ° C.
- the coated film was dried to form a ceramic green sheet having a thickness of 1 / m.
- a slurry is prepared by mixing 3 parts by weight of isobonyl acetate and 1.5 parts by weight of a polyethylene glycol-based dispersing agent, and using a crusher “LMZ0.6” (trade name) manufactured by Ashiza Finetech Co., Ltd. The additives in the slurry were ground.
- the median diameter of the crushed additive was 0.1 m.
- ethyl cellulose having a weight average molecular weight (MW) of 230,000 and a weight average molecular weight (M
- BaTiO powder manufactured by Sakai Chemical Industry Co., Ltd .: particle size 0.05 / m
- Polyethylene glycol dispersant 1.19 parts by weight
- the conductive paste thus prepared was applied to a ceramic green screen using a screen printing machine. Printed on a sheet, dried at 90 ° C for 5 minutes and dried to form an electrode layer with a thickness of 1 ⁇ . The ceramic green sheet and the electrode layer were laminated on the surface of the polyethylene terephthalate film. The laminated unit was manufactured.
- the surface roughness (Ra) of the electrode layer thus formed was measured using "Surfcoder I (SE-30D)" (trade name) manufactured by Kosaka Laboratory Co., Ltd. and found to be 0.124 xm. It was found that the surface smoothness was high and the electrode layer was formed.
- the prepared dielectric paste is applied to the surface of a polyethylene terephthalate film using a die coater to form a coating film, and the coating film is dried to obtain a ceramic having a thickness of 10 xm. A green sheet was formed.
- the thus-produced ceramic green sheet having a thickness of 10 ⁇ m was peeled from the polyethylene terephthalate film, cut, and the cut five ceramic green sheets were laminated to form a 50 / im thickness. Then, the laminate unit was peeled off from the polyethylene terephthalate film, cut, and the cut 50 laminate units were laminated on the cover layer.
- the ceramic green sheet having a thickness of 10 ⁇ m was peeled from the polyethylene terephthalate film, cut, and the cut five ceramic green sheets were placed on the laminated unit.
- 50 stacked units including a lower cover layer having a thickness of 50 ⁇ , a ceramic green sheet having a thickness of 1 / im and an electrode layer having a thickness of 1 ⁇ m are stacked.
- a laminated body was formed in which the effective layer having a thickness of 100 ⁇ m and the upper cover layer having a thickness of 50 ⁇ m were laminated.
- the laminate thus obtained was press-molded under a temperature condition of 70 ° C while applying a pressure of 100MPa, cut into a predetermined size by a die-sinker, and cut into ceramic green chips.
- a pressure of 100MPa 100 MPa
- the ceramic green chip thus produced was treated in air under the following conditions to remove the binder.
- Heating rate 50 ° C / hour Holding temperature: 240 ° C
- the ceramic green chips were treated and fired under the following conditions in an atmosphere of a mixed gas of nitrogen gas and hydrogen gas controlled at a dew point of 20 ° C.
- the contents of nitrogen gas and hydrogen gas in the mixed gas were 95% by volume and 5% by volume.
- Heating rate 300 ° C / hour
- Cooling rate 300 ° C / hour
- the fired ceramic green chip was subjected to an annealing treatment under an atmosphere of nitrogen gas controlled at a dew point of 20 ° C. under the following conditions.
- Heating rate 300 ° C / hour
- Cooling rate 300 ° C / hour
- the resistance values of the 50 multilayer ceramic capacitor samplers thus manufactured were measured by a multimeter, and the multilayer ceramic capacitor samples were inspected for short-circuit failure.
- the obtained resistance value is 100 k ⁇ or less, it is regarded as short-circuit failure.
- the number of multilayer ceramic capacitor samplers in which short-circuit failure is recognized is calculated. And the short-circuit rate was measured.
- a conductor paste was prepared in the same manner as in Example 1 except that the amount of ethyl cellulose of 180,000 was used, and the viscosity of the conductor paste thus prepared was adjusted at 25 ° C and a shear rate of 8se. The measurement was performed at C_1 and at 25 ° C. at a shear rate of SOsec- 1 .
- the viscosity at a shear rate of 8 sec- 1 was 15.5 Ps's
- the viscosity at a shear rate of 50 sec- 1 was 8.5 Ps's.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to form an electrode layer having a thickness of lxm. Then, a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- Example 2 50 multilayer ceramic capacitor samples were prepared, and the resistance values of the 50 multilayer ceramic capacitor samples were measured with a multimeter.
- the short-circuit rate was measured, the short-circuit rate was 4%, and it was found that short-circuit failure was not a problem in practical use.
- ethyl cellulose having a weight average molecular weight (MW) of 130,000 in a weight ratio of 25:75.
- a conductor paste was prepared in the same manner as in Example 1 except that 15,000 ethyl cellulose was used, and the viscosity of the conductor paste thus prepared was measured at 25 ° C and a shear rate of 25 ° C. with measured at 8 sec- 1, 25 ° C, measured at a shear rate SOsecT 1.
- the viscosity at a shear rate 8Sec- 1 is 11. 2Ps 's
- the conductive paste thus prepared was used as in Example 1 by using a screen printing machine. Similarly, an electrode layer having a thickness of 1 ⁇ is printed on the formed ceramic green sheet to form an electrode layer, and a laminate unit in which the ceramic green sheet and the electrode layer are stacked on the surface of the polyethylene terephthalate film. was prepared.
- Example 2 Further, in the same manner as in Example 1, 50 multilayer ceramic capacitor samples were fabricated, and the resistance values of the 50 multilayer ceramic capacitor samplers were measured with a multimeter. When the short-circuit rate was measured, the short-circuit rate was 4%, and it was found that short-circuit failure was not a problem in practical use.
- a conductor paste was prepared in the same manner as in Example 1 except that dihydroterpinyl methyl ether was used instead of isobonyl acetate as a solvent for preparing the conductor paste.
- the viscosity of the conductive paste 25 ° C, as well as measured at a shear rate 8sec- 1, 25 ° C, measured at a shear rate 50sec- 1.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to obtain an electrode layer having a thickness of 1 ⁇ .
- a screen printer in the same manner as in Example 1 to obtain an electrode layer having a thickness of 1 ⁇ .
- Example 5 In the same manner as in Example 1, 50 multilayer ceramic capacitor samples were manufactured, and the resistance value of the 50 multilayer ceramic capacitor samplers was measured with a multimeter to obtain a multilayer ceramic capacitor sampler. When the short-circuit rate was measured, the short-circuit rate was 12 Q / o, and it was found that short-circuit failure was not a problem in practical use.
- Example 5 When the short-circuit rate was measured, the short-circuit rate was 12 Q / o, and it was found that short-circuit failure was not a problem in practical use.
- Example 4 The same procedure as in Example 4 was carried out except that a binder containing ethyl cellulose having a weight average molecular weight of 230,000 and ethyl cellulose having a weight average molecular weight of 130,000 in a weight ratio of 50:50 was used as a binder for the conductive paste.
- a conductor paste was prepared, and the viscosity of the conductor paste thus prepared was measured at 25 ° C and a shear rate of Ssec- 1 and at 25 ° C and a shear rate of 5 Osec- 1 .
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to form an electrode layer having a thickness of lxm. Then, a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- the resistance value of the 50 multilayer ceramic capacitors sampler was measured with a multimeter, and the short ratio of the multilayer ceramic capacitor sampler was measured.
- Example 4 The same procedure as in Example 4 was carried out except that a binder containing ethyl cellulose having a weight average molecular weight of 230,000 and ethyl cellulose having a weight average molecular weight of 130,000 in a weight ratio of 25:75 was used as a binder for the conductive paste.
- a conductor paste was prepared, and the viscosity of the conductor paste thus prepared was measured at 25 ° C and a shear rate of Ssec- 1 and at 25 ° C and a shear rate of 5 Osec- 1 .
- the conductive paste thus prepared was applied to Example 1 using a screen printing machine. Similarly, an electrode layer having a thickness of 1 ⁇ is printed on the formed ceramic green sheet to form an electrode layer, and a laminate unit in which the ceramic green sheet and the electrode layer are stacked on the surface of the polyethylene terephthalate film. was prepared.
- a conductive paste was prepared in the same manner as in Example 1 except that terpinyl methyl ether was used instead of isobonyl acetate as a solvent for preparing the conductive paste.
- the viscosity of the body paste 25 ° C, the rewritable measured at a shear rate 8sec- 1, 25 ° C, measured at a shear rate 50sec- 1.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to obtain an electrode layer having a thickness of 1 ⁇ .
- a screen printer in the same manner as in Example 1 to obtain an electrode layer having a thickness of 1 ⁇ .
- Example 8 Further, in the same manner as in Example 1, 50 multilayer ceramic capacitor samples were fabricated, and the resistance values of the 50 multilayer ceramic capacitor samplers were measured with a multimeter. When the short-circuit rate was measured, the short-circuit rate was 12 Q / o, and it was found that short-circuit failure was not a problem in practical use. [0173] Example 8
- Example 7 The same procedure as in Example 7 was performed except that a binder containing ethyl cellulose having a weight average molecular weight of 230,000 and ethyl cellulose having a weight average molecular weight of 130,000 in a weight ratio of 50:50 was used as a binder for the conductive paste.
- a conductor paste was prepared, and the viscosity of the conductor paste thus prepared was measured at 25 ° C and a shear rate of Ssec- 1 and at 25 ° C and a shear rate of 5 Osec- 1 .
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to form an electrode layer having a thickness of lxm. Then, a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- the resistance value of the 50 multilayer ceramic capacitors Sampnoré was measured with a multimeter, and the short circuit rate of the multilayer ceramic capacitor Sampnoré was measured.
- Example 7 The same procedure as in Example 7 was carried out except that a binder containing ethyl cellulose having a weight average molecular weight of 230,000 and ethyl cellulose having a weight average molecular weight of 130,000 in a weight ratio of 25:75 was used as a binder for the conductive paste.
- a conductor paste was prepared, and the viscosity of the conductor paste thus prepared was measured at 25 ° C and a shear rate of Ssec- 1 and at 25 ° C and a shear rate of 5 Osec- 1 .
- the viscosity at a shear rate of 8 sec- 1 was 8.3 Ps's
- the viscosity at a shear rate of 50 sec- 1 was 4.78 Ps's.
- the conductive paste thus prepared was used as in Example 1 by using a screen printing machine. Similarly, an electrode layer having a thickness of 1 ⁇ is printed on the formed ceramic green sheet to form an electrode layer, and a laminate unit in which the ceramic green sheet and the electrode layer are stacked on the surface of the polyethylene terephthalate film. was prepared.
- a conductor paste was prepared in the same manner as in Example 2 except that the solvent used in preparing the conductor paste was replaced by iso-pynylacetate, instead of isobonyl acetate.
- the viscosity of the conductive paste 25 ° C, as well as measured at a shear rate 8sec- 1, 25 ° C, measured at a shear rate 50sec- 1.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to obtain an electrode layer having a thickness of 1 ⁇ .
- a screen printer in the same manner as in Example 1 to obtain an electrode layer having a thickness of 1 ⁇ .
- Example 11 Further, in the same manner as in Example 1, 50 multilayer ceramic capacitor samples were fabricated, and the resistance values of the 50 multilayer ceramic capacitor samplers were measured with a multimeter. When the short-circuit rate was measured, the short-circuit rate was 8%, and it was found that short-circuit failure was not a problem in practical use.
- Example 11
- a conductive paste was prepared in the same manner as in Example 2, except that I-dihydrocarbyl acetate was used instead of isobonyl acetate as a solvent for preparing the conductive paste.
- the viscosity of the conductive paste 25 ° C, as well as measured at a shear rate Ssec- 1, 25 ° C, measured at a shear rate SOsecT 1.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to form an electrode layer having a thickness of lxm. Then, a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- Example 2 50 multilayer ceramic capacitor samples were prepared, and the resistance values of the 50 multilayer ceramic capacitor samples were measured with a multimeter.
- the short-circuit rate was measured, the short-circuit rate was 18%, and it was found that short-circuit failure was not a problem in practical use.
- a conductor paste was prepared in the same manner as in Example 2 except that I-menthone was used instead of isobonyl acetate as a solvent for preparing the conductor paste, and the conductor thus prepared was prepared.
- the viscosity of the paste 25 ° C, as well as measured at a shear rate Ssec- 1, 25 ° C, measured at a shear rate 50sec- 1.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1, to form an electrode layer having a thickness of lxm. And a ceramic green sheet on the surface of polyethylene terephthalate film And an electrode layer were laminated to produce a laminate unit.
- a conductor paste was prepared in the same manner as in Example 2, except that I-menthyl acetate was used instead of isobonyl acetate as a solvent for preparing the conductor paste.
- the viscosity of the paste 25 ° C, when measured at a shear rate 8Sec- 1 and Moni, 25 ° C, measured at a shear rate 50sec- 1.
- the viscosity at a shear rate 8Sec- 1 is 's
- the viscosity at a shear rate 50Sec- 1 is 5 ⁇ 8Ps' 10 ⁇ 6Ps was s.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to obtain an electrode layer having a thickness of 1 ⁇ .
- a screen printer in the same manner as in Example 1 to obtain an electrode layer having a thickness of 1 ⁇ .
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to form an electrode layer having a thickness of lxm. Then, a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- the resistance value of the 50 multilayer ceramic capacitors sampler was measured with a multimeter, and the short ratio of the multilayer ceramic capacitor sampler was measured.
- a conductive paste was prepared in the same manner as in Example 2 except that I-carbyl acetate was used instead of isobonyl acetate as a solvent for preparing the conductive paste.
- the viscosity of the body paste 25 ° C, measured at a shear rate SsecT 1 when the monitor, 25 ° C, measured at a shear rate 50sec- 1.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to form an electrode layer having a thickness of lxm. Then, a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- the short circuit rate of the multilayer ceramic capacitor sampler was measured by measuring the resistance value of the 50 multilayer ceramic capacitor sampler with a multimeter, and the short ratio was 8%. I understand.
- a conductor paste was prepared in the same manner as in Example 1 except that ethyl cellulose having a weight average molecular weight of 230,000 was used as a binder for the conductor paste, and the viscosity of the conductor paste thus prepared was measured. , 25 ° C, as well as measured at a shear rate 8Se C one 1, 25 ° C, measured at a shear rate 50sec- 1.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to obtain an electrode layer having a thickness of 1 ⁇ .
- a screen printer in the same manner as in Example 1 to obtain an electrode layer having a thickness of 1 ⁇ .
- a conductor paste was prepared in the same manner as in Example 1 except that ethyl cellulose having a weight average molecular weight of 130,000 was used as a binder for the conductor paste, and the viscosity of the conductor paste thus prepared was measured. , 25 ° C, shear rate Ssec- 1 and 25 ° C, shear rate SOsec- 1 .
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to form an electrode layer having a thickness of lxm. Then, a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- a ceramic green sheet was prepared in the same manner as in Example 1 except that a plastic resin having a polymerization degree of 00 and a Petiler-lui degree of 69 mol% was used as a binder for the dielectric paste for forming the ceramic green sheet.
- a dielectric paste for formation was prepared, and a ceramic green sheet was produced.
- Example 2 a conductive paste was prepared, thus the viscosity of the prepared conductive paste, 25 ° C, as well as measured at a shear rate 8 sec 1, 25 ° C, shear rate 50s ECT 1 was measured.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to obtain an electrode having a thickness of lxm.
- An electrode layer was formed, and a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- Example 2 50 multilayer ceramic capacitor samples were prepared, and the resistance values of the 50 multilayer ceramic capacitor samples were measured with a multimeter.
- the short ratio was measured, it was found that the short ratio was 30%, and the short ratio was high and there was no practicality.
- a conductive paste was prepared in the same manner as in Example 4 except that ethyl cellulose having a weight average molecular weight of 230,000 was used as a binder for the conductive paste, and the viscosity of the conductive paste thus prepared was measured. At 25 ° C and a shear rate of 50 sec- 1 while measuring at 25 ° C and a shear rate of 8 sec- 1 .
- the conductive paste thus prepared was printed on the formed ceramic green sheet in the same manner as in Example 1 using a screen printing machine, to thereby form an electrode layer having a thickness of 1 ⁇ .
- a conductive paste was prepared in the same manner as in Example 4 except that ethyl cellulose having a weight average molecular weight of 130,000 was used as a binder for the conductive paste, and the viscosity of the thus prepared conductive paste was measured. , 25 ° C, shear rate Ssec- 1 and 25 ° C, shear rate SOsec- 1 .
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to form an electrode layer having a thickness of lxm. Then, a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- a ceramic green sheet was prepared in the same manner as in Example 1 except that a plastic resin having a polymerization degree of 00 and a Petiler-lui degree of 69 mol% was used as a binder for the dielectric paste for forming the ceramic green sheet.
- a dielectric paste for formation was prepared, and a ceramic green sheet was produced.
- Example 5 a conductive paste was prepared, thus the viscosity of the prepared conductive paste, 25 ° C, as well as measured at a shear rate 8 sec 1, 25 ° C, shear rate 50s ECT 1 was measured.
- the viscosity at a shear rate 8Sec- 1 is 's
- the viscosity at a shear rate 50Sec- 1 is 7. 3 ps' 12. 3 ps was s.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to obtain an electrode layer having a thickness of 1 ⁇ .
- a conductive paste was prepared in the same manner as in Example 7 except that ethyl cellulose having a weight average molecular weight of 230,000 was used as a binder for the conductive paste, and the viscosity of the thus prepared conductive paste was measured. At 25 ° C and a shear rate of 50 sec- 1 while measuring at 25 ° C and a shear rate of 8 sec- 1 .
- the conductive paste thus prepared was printed on a formed ceramic green sheet using a screen printer in the same manner as in Example 1, to obtain an electrode layer having a thickness of 1 ⁇ .
- a screen printer in the same manner as in Example 1, to obtain an electrode layer having a thickness of 1 ⁇ .
- a conductive paste was prepared in the same manner as in Example 7, except that ethyl cellulose having a weight average molecular weight of 130,000 was used as a binder for the conductive paste, and the viscosity of the thus prepared conductive paste was measured. , 25 ° C, shear rate Ssec- 1 and 25 ° C, shear rate SOsec- 1 .
- the conductive paste thus prepared was printed on a formed ceramic green sheet using a screen printer in the same manner as in Example 1, to obtain an electrode layer having a thickness of 1 ⁇ .
- a screen printer in the same manner as in Example 1, to obtain an electrode layer having a thickness of 1 ⁇ .
- a ceramic green sheet was prepared in the same manner as in Example 1 except that a butyral-based resin having a degree of polymerization of 800 and a butyraloy degree of 69 mol% was used as a binder for the dielectric paste for forming the ceramic green sheet.
- a dielectric paste for formation was prepared, and a ceramic green sheet was produced.
- Example 8 a conductive paste was prepared, thus the viscosity of the prepared conductive paste, 25 ° C, as well as measured at a shear rate 8 sec 1, 25 ° C, shear rate 50s EC- Measured at 1 .
- the viscosity at a shear rate 8Sec- 1 is 's
- the viscosity at a shear rate 50Sec- 1 is 6 ⁇ 6Ps' 11 ⁇ 7Ps was s.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1, to form an electrode layer having a thickness of lxm. Then, a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- the resistance value of the 50 multilayer ceramic capacitors Sampnoré was measured with a multimeter, and the short circuit rate of the multilayer ceramic capacitor Sampnoré was measured.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1 to form an electrode layer having a thickness of lxm. Then, a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- a conductor paste was prepared in the same manner as in Comparative Example 2 except that terpineol was used in place of isobonyl acetate as a solvent for preparing the conductor paste.
- the viscosity of the paste was measured at 25 ° C and a shear rate of 8 se C - 1 and at 25 ° C and a shear rate of 50 sec- 1 .
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1, to obtain an electrode layer having a thickness of 1 ⁇ .
- a screen printer in the same manner as in Example 1, to obtain an electrode layer having a thickness of 1 ⁇ .
- a conductor paste was prepared in the same manner as in Comparative Example 2, except that dihydroterpineol was used instead of isobonyl acetate as a solvent for preparing the conductor paste.
- the conductive paste thus prepared was printed on the formed ceramic green sheet using a screen printer in the same manner as in Example 1, to form an electrode layer having a thickness of lxm. Then, a laminate unit in which a ceramic green sheet and an electrode layer were laminated on the surface of a polyethylene terephthalate film was produced.
- the ceramic green sheet When the ceramic green sheet is manufactured, the ceramic green sheet swells or partially dissolves because the solvent of the conductor paste dissolves the polybutyral contained in the ceramic green sheet as a binder. Pinholes and cracks occur on the surface of the multilayer ceramic capacitor. As a result, the short-circuit rate of the multilayer ceramic capacitor becomes extremely high.
- ethyl cellulose having a weight average molecular weight of 150,000 and 250,000 ethyl cellulose as a binder, isoboninoleate acetate, dihydroterpininolemethinole ethere, and terpininolemethinole ethere.
- a laminated paste unit is manufactured by printing a conductive paste containing, as a solvent, terpinyl acetate, 1_dihydrocarbyl acetate, 1_menthon, 1_menthyl acetate, I perillyl acetate or I carbyl acetate.
- the solvent power of the conductive paste hardly dissolves the polybierbutyral contained as a binder in the ceramic green sheet. Since the green sheet is prevented from swelling or partially dissolving, and pinholes and cracks are prevented from being generated in the ceramic green sheet, it is possible to greatly reduce the short-circuit rate of the multilayer ceramic capacitor. It has been found.
- a dielectric paste containing polyvinyl butyral polymerization degree 1450, degree of butyralization 69 mol%
- a conductor paste containing tocarbyl acetate as a solvent is printed to produce a multilayer unit, and when 50 laminate units are laminated to produce a multilayer ceramic capacitor, the conductor paste is printed.
- Multilayer ceramic capacitors with a low short-circuit rate that can form electrode layers in a predetermined pattern on a ceramic green sheet as desired using a screen printer as desired. It can be created to help.
- polyvinyl two butyral (polymerization degree 1450, butyralization degree 69 mol 0/0) ceramic green sheet formed by using a dielectric paste containing A conductive paste containing ethyl cellulose having a weight average molecular weight of 130,000 as a binder and isobonyl acetate as a solvent, ethyl cellulose having a weight average molecular weight of 130,000 as a binder, and dihydrotapier methyl ether as a solvent
- a laminated unit is produced by printing a conductive paste containing ethyl cellulose as a binder or ethyl cellulose with a weight-average molecular weight of 130,000 as a binder and using terpier methyl ether as a solvent, Screen plate making because the viscosity is too low and it is easily fluidized From the top, conductive paste exudes, in a desired pattern, whereas it
- the apparent weight average molecular weight, defined in MW, is 150,000 and 20.000
- the conductive paste When a laminate ceramic capacitor is manufactured by laminating 50 laminate units, the conductive paste has a viscosity suitable for printing, and the ceramic paste is formed as desired using a screen printing machine. It has been found that an electrode layer can be formed in a predetermined pattern on a green sheet, and a multilayer ceramic capacitor having a low short-circuit rate can be produced.
- a conductive paste containing dihydrotapinyl methyl ether as a solvent or a conductive paste containing ethyl cellulose having an apparent weight average molecular weight of 180,000 as a binder and terpinyl methyl ether as a solvent
- X * MW on a ceramic green sheet formed using a dielectric paste containing polybierbutyral (degree of polymerization: 1450, degree of butyralization: 69 mol%) as a binder while the coating rate becomes extremely high.
- a conductor paste containing I-carbyl acetate as a solvent is printed to produce a laminated unit, and when 50 laminated units are laminated to produce a laminated ceramic capacitor, the conductor paste is Solvent power Polybutyral contained as a binder in the ceramic green sheet hardly dissolves, and therefore, the ceramic green sheet swells or partially dissolves, causing pinholes and cracks in the ceramic green sheet. Can prevent To be, it was found that it is possible to greatly reduce the short of the laminated ceramic capacitor. [0281] The apparent weight average molecular weight defined by X * MW + (1—X) * MW is 110,000 or less.
- the present invention it is possible to reliably prevent a short circuit failure from occurring in a multilayer ceramic electronic component in which a binder contained in a layer adjacent to an electrode layer cannot be dissolved.
- the present invention it is possible to reliably prevent a short circuit failure from occurring in a multilayer ceramic electronic component, and to form an electrode layer as desired. It is possible to provide a method of manufacturing a laminate unit for a component.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Ceramic Engineering (AREA)
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Conductive Materials (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/590,683 US7537713B2 (en) | 2004-02-27 | 2005-02-23 | Conductive paste for a multi-layered ceramic electronic component and a method for manufacturing a multi-layered unit for a multi-layered ceramic electronic component |
| CN2005800061108A CN1926641B (zh) | 2004-02-27 | 2005-02-23 | 多层陶瓷电子元件的导电糊以及制造多层陶瓷电子元件的多层单元的方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-054723 | 2004-02-27 | ||
| JP2004054723A JP4487596B2 (ja) | 2004-02-27 | 2004-02-27 | 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005083720A1 true WO2005083720A1 (ja) | 2005-09-09 |
Family
ID=34908805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/002882 Ceased WO2005083720A1 (ja) | 2004-02-27 | 2005-02-23 | 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 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7537713B2 (ja) |
| JP (1) | JP4487596B2 (ja) |
| KR (1) | KR100734783B1 (ja) |
| CN (1) | CN1926641B (ja) |
| TW (1) | TWI262516B (ja) |
| WO (1) | WO2005083720A1 (ja) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| KR101141442B1 (ko) * | 2009-12-30 | 2012-05-03 | 삼성전기주식회사 | 내부전극용 도전성 페이스트 조성물 및 이를 이용한 적층 세라믹 커패시터의제조방법 |
| KR101569568B1 (ko) | 2010-05-04 | 2015-11-16 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 납-텔루륨-리튬-산화물을 함유하는 후막 페이스트, 및 반도체 소자의 제조에서의 그의 용도 |
| KR20130125944A (ko) * | 2012-05-10 | 2013-11-20 | 삼성전기주식회사 | 내부 전극용 도전성 페이스트 조성물, 적층 세라믹 전자부품 및 이의 제조방법 |
| KR102092990B1 (ko) * | 2012-11-06 | 2020-03-24 | 가부시키가이샤 노리타케 캄파니 리미티드 | 도전성 페이스트 조성물 |
| US9039937B1 (en) | 2013-12-17 | 2015-05-26 | Samsung Sdi Co., Ltd. | Composition for solar cell electrodes and electrode fabricated using the same |
| WO2015141623A1 (ja) | 2014-03-20 | 2015-09-24 | 積水化学工業株式会社 | 導電ペースト |
| KR101847362B1 (ko) | 2015-07-22 | 2018-04-09 | 소에이 가가쿠 고교 가부시키가이샤 | 무기 입자 분산 페이스트용의 바인더 수지 및 무기 입자 분산 페이스트 |
| TWI745562B (zh) | 2017-04-18 | 2021-11-11 | 美商太陽帕斯特有限責任公司 | 導電糊料組成物及用其製成的半導體裝置 |
| KR102824174B1 (ko) | 2019-01-25 | 2025-06-23 | 니치유 가부시키가이샤 | 중합체, 도전성 페이스트 조성물, 세라믹스용 바인더 수지, 세라믹스 슬러리 조성물 및 도전 페이스트용 바인더 수지 |
| CN112142480B (zh) * | 2020-09-22 | 2022-06-21 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | 一种湿法工艺多层片式瓷介电容器的瓷浆及其制备方法 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0653654A (ja) * | 1992-07-30 | 1994-02-25 | Kyocera Corp | 多層回路基板及びその製造方法 |
| JPH0685466A (ja) * | 1992-08-31 | 1994-03-25 | Kyocera Corp | 多層回路基板 |
| JPH06224556A (ja) * | 1993-01-27 | 1994-08-12 | Kyocera Corp | 低温焼成多層基板 |
| JPH10275734A (ja) * | 1997-03-31 | 1998-10-13 | Kyocera Corp | セラミックコンデンサ |
| JP2002270456A (ja) * | 2001-03-07 | 2002-09-20 | Murata Mfg Co Ltd | 導電性ペーストおよび積層セラミック電子部品 |
| JP2003017356A (ja) * | 2001-06-28 | 2003-01-17 | Kyocera Corp | 積層型電子部品およびその製法 |
| JP2003249121A (ja) * | 2001-12-20 | 2003-09-05 | Murata Mfg Co Ltd | 導電性ペーストおよび積層セラミック電子部品 |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415703A (en) * | 1981-01-13 | 1983-11-15 | Daicel Chemical Industries, Ltd. | Aqueous dispersion of a cellulose derivative |
| US5179773A (en) * | 1991-08-30 | 1993-01-19 | Bmc Technology Corporation | Process of manufacturing multilayer ceramic capacitors |
| US5412865A (en) * | 1991-08-30 | 1995-05-09 | Murata Manufacturing Co., Ltd. | Method of manufacturing multilayer electronic component |
| JPH05325633A (ja) | 1992-05-27 | 1993-12-10 | Murata Mfg Co Ltd | 導電性ペースト |
| JP2976268B2 (ja) | 1993-07-05 | 1999-11-10 | 株式会社村田製作所 | 導電性ペーストおよびそれを用いた多層セラミック電子部品の製造方法 |
| JP3102454B2 (ja) | 1993-07-05 | 2000-10-23 | 株式会社村田製作所 | 導電性ペーストおよびそれを用いた多層セラミック電子部品の製造方法 |
| US5480503A (en) * | 1993-12-30 | 1996-01-02 | International Business Machines Corporation | Process for producing circuitized layers and multilayer ceramic sub-laminates and composites thereof |
| MY119247A (en) * | 1994-10-31 | 2005-04-30 | Tdk Corp | Manufacturing method and manufacturing apparatus for ceramic electronic components |
| EP0732735B1 (en) * | 1995-03-16 | 2005-12-14 | Murata Manufacturing Co., Ltd. | Monolithic ceramic electronic device and method of manufacturing same |
| US5603147A (en) * | 1995-06-07 | 1997-02-18 | Microelectronic Packaging, Inc. | Method of making a high energy multilayer ceramic capacitor |
| SE505546C2 (sv) * | 1995-12-11 | 1997-09-15 | Moelnlycke Ab | Metod att åstadkomma en svets eller ett klipp medelst ultraljud |
| JPH1153939A (ja) | 1997-07-30 | 1999-02-26 | Sumitomo Metal Mining Co Ltd | 積層セラミックコンデンサの内部電極用金属ペースト |
| JPH11273987A (ja) | 1998-03-25 | 1999-10-08 | Sumitomo Metal Mining Co Ltd | 積層セラミックコンデンサー内部電極用ペーストのためのビヒクルおよび該ビヒクルを用いたペースト |
| US5840107A (en) * | 1998-03-25 | 1998-11-24 | Motorola, Inc. | Binder solution for a sealing composition and method of use |
| JP3080922B2 (ja) * | 1998-04-13 | 2000-08-28 | 富山日本電気株式会社 | 固体電解コンデンサ及びその製造方法 |
| US5935358A (en) * | 1998-04-17 | 1999-08-10 | New Create Corporation | Method of producing a laminate ceramic capacitor |
| US6245171B1 (en) * | 1998-11-23 | 2001-06-12 | International Business Machines Corporation | Multi-thickness, multi-layer green sheet lamination and method thereof |
| JP2001237140A (ja) * | 1999-12-13 | 2001-08-31 | Murata Mfg Co Ltd | 積層型セラミック電子部品およびその製造方法ならびにセラミックペーストおよびその製造方法 |
| JP3734662B2 (ja) * | 2000-02-16 | 2006-01-11 | 太陽誘電株式会社 | 積層セラミックコンデンサとその製造方法 |
| US6893490B2 (en) * | 2000-04-17 | 2005-05-17 | Matsushita Electric Industrial Co., Ltd. | Ink for display panel and method for producing plasma display panel using the same |
| US6785121B2 (en) * | 2000-05-30 | 2004-08-31 | Tdk Corporation | Multilayer ceramic capacitor and production method thereof |
| JP3722275B2 (ja) * | 2000-06-15 | 2005-11-30 | Tdk株式会社 | 金属粒子含有組成物、導電ペースト及びその製造方法 |
| US20030138635A1 (en) * | 2000-07-11 | 2003-07-24 | Naoya Haruta | Multi-layer application film and method of laminating the same |
| JP2002121075A (ja) * | 2000-10-06 | 2002-04-23 | Murata Mfg Co Ltd | セラミックグリーンシート及び積層セラミック電子部品の製造方法 |
| TW543052B (en) * | 2001-03-05 | 2003-07-21 | Nitto Denko Corp | Manufacturing method of ceramic green sheet, manufacturing method of multilayer ceramic electronic components, and carrier sheet for ceramic green sheets |
| DE10113361A1 (de) * | 2001-03-20 | 2002-09-26 | Andreas Roosen | Verfahren zur Verbindung keramischer Grünkörper unter Verwendung eines Transfertapes und Überführung dieser verklebten Grünkörper in einen Keramikkörper |
| KR100731868B1 (ko) * | 2002-12-27 | 2007-06-25 | 티디케이가부시기가이샤 | 내부 전극을 갖는 전자 부품의 제조 방법 |
| TWI228261B (en) * | 2003-03-31 | 2005-02-21 | Tdk Corp | Production method for laminated ceramic electronic component |
| KR100733141B1 (ko) * | 2003-03-31 | 2007-06-27 | 티디케이가부시기가이샤 | 적층 세라믹 전자부품의 제조방법 |
| US7402220B2 (en) * | 2003-04-18 | 2008-07-22 | Tdk Corporation | Method for manufacturing multi-layered unit for multi-layered ceramic electronic component |
| US7585907B2 (en) * | 2003-07-24 | 2009-09-08 | Nitto Denko Corporation | Inorganic powder-containing resin composition, a film-forming material layer, a transfer sheet, method of producing a substrate having a dielectric layer formed thereon, and a substrate having a dielectric layer formed thereon |
| KR100853279B1 (ko) * | 2003-09-30 | 2008-08-20 | 티디케이가부시기가이샤 | 적층 세라믹 전자 부품의 내부 전극용 도전체 페이스트의제조 방법 |
| 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 |
| WO2006001358A1 (ja) * | 2004-06-28 | 2006-01-05 | Tdk Corporation | 積層型電子部品の製造方法 |
-
2004
- 2004-02-27 JP JP2004054723A patent/JP4487596B2/ja not_active Expired - Lifetime
-
2005
- 2005-02-23 WO PCT/JP2005/002882 patent/WO2005083720A1/ja not_active Ceased
- 2005-02-23 CN CN2005800061108A patent/CN1926641B/zh not_active Expired - Lifetime
- 2005-02-23 US US10/590,683 patent/US7537713B2/en active Active
- 2005-02-23 KR KR1020067017112A patent/KR100734783B1/ko not_active Expired - Lifetime
- 2005-02-23 TW TW094105438A patent/TWI262516B/zh not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0653654A (ja) * | 1992-07-30 | 1994-02-25 | Kyocera Corp | 多層回路基板及びその製造方法 |
| JPH0685466A (ja) * | 1992-08-31 | 1994-03-25 | Kyocera Corp | 多層回路基板 |
| JPH06224556A (ja) * | 1993-01-27 | 1994-08-12 | Kyocera Corp | 低温焼成多層基板 |
| JPH10275734A (ja) * | 1997-03-31 | 1998-10-13 | Kyocera Corp | セラミックコンデンサ |
| JP2002270456A (ja) * | 2001-03-07 | 2002-09-20 | Murata Mfg Co Ltd | 導電性ペーストおよび積層セラミック電子部品 |
| JP2003017356A (ja) * | 2001-06-28 | 2003-01-17 | Kyocera Corp | 積層型電子部品およびその製法 |
| JP2003249121A (ja) * | 2001-12-20 | 2003-09-05 | Murata Mfg Co Ltd | 導電性ペーストおよび積層セラミック電子部品 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100734783B1 (ko) | 2007-07-04 |
| JP4487596B2 (ja) | 2010-06-23 |
| JP2005243561A (ja) | 2005-09-08 |
| KR20060120259A (ko) | 2006-11-24 |
| US7537713B2 (en) | 2009-05-26 |
| US20070194284A1 (en) | 2007-08-23 |
| TWI262516B (en) | 2006-09-21 |
| CN1926641A (zh) | 2007-03-07 |
| CN1926641B (zh) | 2010-05-05 |
| TW200534307A (en) | 2005-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2005083720A1 (ja) | 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 | |
| JP4487595B2 (ja) | 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 | |
| JP4487542B2 (ja) | 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 | |
| WO2006001358A1 (ja) | 積層型電子部品の製造方法 | |
| JP4357531B2 (ja) | 積層型電子部品の製造方法 | |
| JP4412012B2 (ja) | 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 | |
| JP4412013B2 (ja) | 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 | |
| JP4662298B2 (ja) | 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 | |
| JP4569100B2 (ja) | 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 | |
| KR100766320B1 (ko) | 적층 세라믹 전자부품의 스페이서층용 유전체 페이스트 | |
| JP2006013246A (ja) | 積層型電子部品の製造方法 | |
| US20070108419A1 (en) | Conductive paste for an electrode layer of a multi-layered ceramic electronic component and a method for manufacturing a multi-layered unit for a multi-layered ceramic electronic component | |
| JP2006013247A (ja) | 積層型電子部品の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| WWE | Wipo information: entry into national phase |
Ref document number: 10590683 Country of ref document: US Ref document number: 2007194284 Country of ref document: US Ref document number: 200580006110.8 Country of ref document: CN Ref document number: 1020067017112 Country of ref document: KR |
|
| WWP | Wipo information: published in national office |
Ref document number: 1020067017112 Country of ref document: KR |
|
| 122 | Ep: pct application non-entry in european phase | ||
| WWP | Wipo information: published in national office |
Ref document number: 10590683 Country of ref document: US |