WO2004030004A1 - 固体電解コンデンサの製造方法 - Google Patents
固体電解コンデンサの製造方法 Download PDFInfo
- Publication number
- WO2004030004A1 WO2004030004A1 PCT/JP2003/012434 JP0312434W WO2004030004A1 WO 2004030004 A1 WO2004030004 A1 WO 2004030004A1 JP 0312434 W JP0312434 W JP 0312434W WO 2004030004 A1 WO2004030004 A1 WO 2004030004A1
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- WO
- WIPO (PCT)
- Prior art keywords
- solid electrolytic
- electrolytic capacitor
- capacitor device
- capacitor element
- polyimide silicon
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0029—Processes of manufacture
- H01G9/0036—Formation of the solid electrolyte layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/008—Terminals
- H01G9/012—Terminals specially adapted for solid capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/52—Separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/54—Electrolytes
- H01G11/56—Solid electrolytes, e.g. gels; Additives therein
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/02—Diaphragms; Separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/025—Solid electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/025—Solid electrolytes
- H01G9/028—Organic semiconducting electrolytes, e.g. TCNQ
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Definitions
- the present invention relates to a method for manufacturing a solid electrolytic capacitor capable of improving withstand voltage and suppressing LC fluctuation after reflow. Further, the present invention relates to a method for manufacturing a solid electrolytic capacitor capable of obtaining a solid electrolytic capacitor having a high capacitance.
- Electrolytic capacitors that use a metal with valve action require that the valve action metal as the anode-side counter electrode be shaped into a sintered body or etching foil to enlarge the dielectric. Therefore, it is widely used because it can obtain a large capacity with a small size.
- a solid electrolytic capacitor using a solid electrolyte as the electrolyte must have characteristics such as being small, large-capacity, low equivalent series resistance, easy to chip, and suitable for surface mounting. Therefore, it is indispensable for miniaturization, high performance, and low cost of child devices.
- an anode foil and a cathode foil made of a valve metal such as aluminum are wound around a separator to form a capacitor element. It has a structure in which the driving element is impregnated, and the capacitor element is housed in a metal case such as aluminum or a case made of synthetic resin, and sealed.
- a metal case such as aluminum or a case made of synthetic resin, and sealed.
- TC NQ manganese dioxide 7, 7, 8, 8-tetracyanoquinodimethane
- TC NQ manganese dioxide 7, 7, 8, 8-tetracyanoquinodimethane
- Conductivity such as polyethylene dioxythiophene (hereinafter referred to as PEDT), which has excellent adhesion to the oxide film layer of the anode electrode
- PEDT polyethylene dioxythiophene
- a solid electrolytic capacitor of a type in which a solid electrolyte layer made of a conductive polymer such as PEDT is formed on such a wound-type capacitor element is manufactured as follows.
- an anode foil made of a valve metal such as aluminum is roughened by electrochemical etching treatment in an aqueous solution of a salt solution. After forming a large number of etching pits, ammonium borate A voltage is applied in such an aqueous solution to form an oxide film layer serving as a dielectric (chemical formation).
- the cathode foil is also made of valve metal such as aluminum, but its surface is only subjected to etching.
- the anode foil having the oxide film layer formed on the surface and the cathode foil having only the etching pits formed thereon are wound through a separator to form a capacitor element.
- a polymerizable monomer such as 3,4-ethylenedioxythiophene (hereinafter referred to as EDT) and an oxidizing agent solution are respectively discharged onto the capacitor element subjected to the repair formation, or immersed in a mixed solution of both.
- EDT 3,4-ethylenedioxythiophene
- an oxidizing agent solution are respectively discharged onto the capacitor element subjected to the repair formation, or immersed in a mixed solution of both.
- the solid electrolytic capacitors as described above have been used for vehicles.
- the driving voltage of a vehicle-mounted circuit is 12 V
- a solid electrolytic capacitor requires a high withstand voltage of 25 V.
- the conventional solid electrolytic capacitor has the following problems in addition to the above problems.
- a first object of the present invention is to provide a method of manufacturing a solid electrolytic capacitor which can improve the breakdown voltage and suppress the LC fluctuation after reflow.
- a second object of the present invention is to obtain a solid electrolytic capacitor having a high capacitance. It is an object of the present invention to provide a method for manufacturing a solid electrolytic capacitor that can be used. Disclosure of Kishi
- the capacitor element is immersed in a ketone-based solution having a polyimide silicon concentration of 2 to 10 wt%, and then polymerized.
- a solid electrolyte layer made of a conductive polymer by impregnating with a reactive monomer and an acid reagent, it is possible to form a film that blocks electrons, thereby improving withstand voltage and suppressing LC fluctuations after reflow. Can be obtained.
- the capacitor element is replaced with a ketone having a polyimide silicon concentration of 0.05 wt% or more and less than 2.0 wt%.
- a polyimide silicon layer having adhesive performance can be formed. Therefore, a solid electrolytic capacitor having excellent capacitance can be obtained.
- FIG. 1 is a diagram showing the structural formula of a thiophene derivative
- FIG. 2 is a diagram comparing the breakdown voltage of the product of the present invention with that of the conventional example
- FIG. 3 is a graph showing the relationship between the concentration of added polyimide silicon and the capacitance
- FIG. 4 is a diagram showing the relationship between the concentration of the polyimide silicon added and the ESR
- FIG. 5 is a diagram showing the concentration of the added polyimide silicon and the behavior of LC before and after reflow.
- the present inventors have conducted intensive studies to improve the breakdown voltage of the solid electrolytic capacitor and to suppress LC fluctuation after reflow, which is the first object, and as a result, the present invention has been completed. is there.
- the present inventors have focused on the electric conduction mechanism, and have studied solid-state electricity such as conductive polymers. The electric conduction in the decomposition was discussed.
- electron emission is roughly classified into two types: electron tunneling electrons and jumping over potential barriers (jumping electrons that do not depend on film damage).
- the leakage current in a solid electrolytic capacitor is not a short-circuit condition. This is probably due to jumping of the potential barrier.
- the cause of the increase in LC after reflow is considered to be mechanical stress (physical stress) during reflow due to gas generation and chemical stress (attack of oxidant or jumping of electrons).
- the method for manufacturing the solid electrolytic capacitor according to the first embodiment is as follows. That is, an anode foil and a cathode foil each having an oxide film layer formed on the surface are wound through a separator to form a capacitor element, and the capacitor element is subjected to repair formation. Then, this capacitor element is immersed in a solution of 10% or less, preferably 2.0 to 9% by weight, and more preferably 5 to 8% by weight of a polyimide silicon in a ketone-based solvent of polyimide silicon, and then pulled up. The solvent was evaporated at 40-100 ° C. and then heat treated at 150-200 ° C. If the concentration is less than this range, the withstand voltage is not sufficient, and if it exceeds this range, the capacitance decreases.
- this capacitor element is immersed in a mixture of a polymerizable monomer and an oxidizing agent, A polymerization reaction of the conductive polymer occurs in the capacitor element to form a solid electrolyte layer. Then, this capacitor element is housed in an outer case, and the opening end is sealed with sealing rubber to form a solid electrolytic capacitor.
- a ketone-based solvent having a good solubility for the polyimide silicon is preferable, and hexanone, acetone, methyl ethyl ketone and the like can be used.
- the concentration of the polyimide silicon solution is 2 to 10 wt%, preferably 2.0 to 9 wt%, and more preferably 5 to 8 wt%.
- EDT When EDT is used as the polymerizable monomer, ED-T monomer can be used as the EDT to be impregnated into the capacitor element. It is also possible to use a prepared monomer solution.
- the volatile solvent include hydrocarbons such as pentane, ethers such as tetrahydrofuran, esters such as ethyl formate, ketones such as acetone, alcohols such as methanol, and nitrogen compounds such as acetonitrile. Among these, methanol, ethanol, acetone and the like are preferable.
- the oxidizing agent an aqueous solution of ferric paratoluenesulfonate, periodic acid or iodic acid dissolved in ethanol can be used, and the concentration of the oxidizing agent with respect to the solvent is preferably 40 to 65 wt%, and 45 to 57 wt%. % Is more preferred. The higher the concentration of oxidizing agent in the solvent, the lower the ESR.
- the solvent of the oxidizing agent the volatile solvent used in the above-mentioned monomer solution can be used, and among them, ethanol is preferable. It is considered that the reason why ethanol is suitable as a solvent for the acidifying agent is that the solvent is easily evaporated due to a low vapor pressure and the amount of the residue is small.
- Chemical solution for restoration As the chemical liquid for restoration chemical formation, there are phosphoric acid-based chemical solutions such as ammonium dihydrogen phosphate and dihydrogen phosphate, boric acid-based chemical solutions such as ammonium borate, and adipic acid-based liquids such as ammonium adipic acid. Although a chemical conversion solution can be used, it is preferable to use ammonium dihydrogen phosphate.
- the immersion time is preferably 5 to 120 minutes. (A-5) Other polymerizable monomers
- Examples of the polymerizable monomer used in the present invention include, in addition to the above-mentioned EDT, thiophene derivatives other than EDT, furin, roll, furan, acetylene, or derivatives thereof, which are oxidatively polymerized by a predetermined oxidizing agent, and It can be applied as long as it forms a hydrophilic polymer.
- thiophene derivative those having the structural formula shown in FIG. 1 can be used.
- X represents O or S.
- A is alkylene or polyoxyalkylene.
- A is alkylene, polyoxyalkylene, substituted alkylene, or substituted polyoxyalkylene.
- the substituent is an alkyl group, an alkenyl group, or an alkoxy group.
- the reason why the structure of the present invention can improve the withstand voltage and suppress the LC fluctuation after reflow can be considered as follows.
- an electron blocking layer a film that prevents the above electrons from jumping over the surface of the oxide film.
- the electron blocking layer increases the breakdown voltage, prevents the oxidizing agent from attacking the foil, and reduces the initial LC.
- tab coating can be performed, and an effect of suppressing an increase in LC during reflow can be obtained.
- the capacitance and ESR are hardly affected, and the withstand voltage can be controlled by controlling the thickness of the electron block layer.
- the VF of the currently used foil can be reduced, the size and capacity of solid electrolytic capacitors can be reduced.
- An electrode lead-out means was connected to the anode foil and the cathode foil each having an oxygen coating layer formed on the surface, and both electrode foils were wound with a separator therebetween to form a capacitor element. Then, the capacitor element was immersed in an aqueous solution of ammonium dihydrogen phosphate for 40 minutes to perform repair formation. Thereafter, this capacitor element was immersed in a 2 wt% polyimide mouth xanon solution of polyimide silicon, pulled up, and heat-treated at 170 ° C. for 1 hour.
- a 40 wt% butanol solution of EDT and ferric p-toluenesulfonate was poured into a predetermined container so that the weight ratio became 1: 3 to prepare a mixed solution.
- the element was immersed in the above mixed solution for 10 seconds to impregnate the capacitor element with EDT and an oxidizing agent.
- the capacitor element was left in a thermostat at 120 ° C. for 1 hour to cause a PEDT polymerization reaction in the capacitor element, thereby forming a solid electrolyte layer.
- the capacitor element was housed in a bottomed cylindrical aluminum case, and sealed with a sealing rubber to form a solid electrolytic capacitor.
- the capacitor element was immersed in a 6 wt% solution of polyimide silicon in cyclohexanone, pulled up, and then heat-treated at 170 ° C. for 1 hour. Otherwise, a solid electrolytic capacitor was prepared under the same conditions and steps as in Example 1.
- the capacitor element was immersed in a 10 wt% polyimide mouth hexanone solution of polyimide silicon, pulled up, and heat-treated at 170 ° C. for 1 hour. Otherwise, a solid electrolytic capacitor was prepared under the same conditions and under the same process as in Example 1.
- a solid electrolytic capacitor was produced under the same conditions and processes as in Example 1 without immersing the capacitor element in a solution of polyimide silicon in cyclohexanone.
- Example A2 With respect to Example A2 and the conventional example obtained by the above method, changes in the breakdown voltage before and after the reflow were examined, and the results shown in FIG. 2 were obtained. Figure 2 As can be seen, the breakdown voltage after reflow has also improved.
- Example A2 When the concentration of the polyimide silicon and the behavior of the LC before and after the reflow were examined for Example A2, Example A3, and the conventional example obtained by the above method, the results shown in FIG. 5 were obtained.
- the reflow conditions were as follows: the number of samples was 10 under lead-free conditions, and the residence time at a peak temperature of 250 ° C and 230 ° C or higher was 40 seconds.
- “Initial” means initial characteristics
- “Once” means LC value after one reflow test
- “Two times” means After that, perform the reflow test one more time and indicate the LC value.
- the leakage current after reflow has also improved.
- the leakage current of 6 wt% is suppressed to 10 ⁇ m or less as compared with 2 wt%, and better characteristics are obtained.
- the present inventors have made intensive studies to improve the capacitance of the solid electrolytic capacitor, which is the second object, and as a result, have completed the present invention.
- the present inventors focused on the adhesiveness of polyimide silicon and examined the conditions of the polyimide silicon treatment that can more effectively exhibit this adhesiveness. % Or more and less than 2 wt%, it has been found that good results can be obtained.
- the method for manufacturing the solid electrolytic capacitor in the second embodiment is as follows. That is, an anode foil and a cathode foil each having an oxide film layer formed on the surface are wound through a separator to form a capacitor element, and the capacitor element is subjected to repair formation. After that, the concentration of this capacitor element was 0.05wt% or more and 2wt ° /. It was immersed in a polyimide silicon ketone-based solution prepared below, pulled up, evaporated at 40-100 ° C, and then heat-treated at 150-200 ° C. If the concentration is below this range, the withstand voltage is not sufficient, and if it exceeds this range, the capacitance decreases.
- the capacitor element is immersed in a mixed solution of a polymerizable monomer and an oxidizing agent to cause a polymerization reaction of a conductive polymer in the capacitor element to form a solid electrolyte layer. Then, the capacitor element is housed in an outer case, and the opening end is sealed with sealing rubber to form a solid electrolytic capacitor.
- a solvent for dissolving polyimide silicon a ketone-based solvent having good solubility for polyimide silicon is preferable, and cyclohexanone, acetone, methyl ethyl ketone and the like can be used.
- the concentration of the polyimide silicon solution is preferably not less than 0.05 wt% and less than 2 wt%. If the concentration of polyimide silicon is 2 wt% or more, the insulating property of the formed polyimide silicon layer increases, and the capacitance decreases. On the other hand, if it is less than 0.05 wt%, a sufficient capacitance cannot be obtained.
- EDT monomer When EDT is used as the polymerizable monomer, EDT monomer can be used as the EDT to be impregnated in the capacitor element. However, a monomer obtained by mixing EDT and a volatile solvent in a volume ratio of 1: 0 to 1: 3 Solutions can also be used.
- the volatile solvent hydrocarbons such as pentane, ethers such as tetrahydrofuran, esters such as ethyl formate, ketones such as acetone, alcohols such as methanol, and nitrogen compounds such as acetonitrile may be used. Among these, methanol, ethanol, acetone and the like are preferable.
- an aqueous solution of ferric paratoluenesulfonate, periodic acid or iodic acid dissolved in ethanol can be used. Is preferably 40 to 65 wt%, more preferably 45 to 57 wt%. The higher the concentration of oxidizing agent in the solvent, the lower the ESR.
- the solvent of the oxidizing agent the volatile solvent used in the above-mentioned monomer solution can be used, and among them, ethanol is preferable. It is thought that ethanol is suitable as a solvent for the oxidizing agent because it has a low vapor pressure and thus easily evaporates, and a small amount remains.
- the chemical liquid for restoration chemical formation there are phosphoric acid-based chemical liquids such as ammonium dihydrogen phosphate and dihydrogen phosphate, boric acid-based chemical liquids such as ammonium borate, and adipic acid-based liquids such as ammonium adipic acid.
- phosphoric acid-based chemical liquids such as ammonium dihydrogen phosphate and dihydrogen phosphate
- boric acid-based chemical liquids such as ammonium borate
- adipic acid-based liquids such as ammonium adipic acid.
- the immersion time is preferably 5 to 120 minutes. (B-5)
- the polymerizable monomer used in the present invention is, in addition to the above-mentioned EDT, a thiophene derivative other than EDT, aniline, pyrrole, furan, acetylene or a derivative thereof, which is subjected to acid polymerization by a predetermined oxidizing agent. Any material can be applied as long as it forms a conductive polymer.
- a thiophene derivative those having the structural formula shown in FIG. 1 can be used.
- the concentration of polyimide silicon is 0.05 wt. /.
- the reason why the capacitance increases when the content is less than 2 wt% is as follows. That is, the conductivity of polyimide and PEDT like constituting the polyimide silicone Po Rimmer good adhesion because both organic I ⁇ was also, S i and the dielectric oxide film in the polyimide silicone (A 1 2 0 3) is Because both are inorganic compounds, they have good adhesion,
- An electrode lead-out means was connected to the anode foil and the cathode foil each having an oxide film layer formed on the surface, and both electrode foils were wound via a separator to form a capacitor element. Then, this capacitor element was immersed in an aqueous solution of ammonium dihydrogen phosphate for 40 minutes to perform repair formation. Then, this capacitor element was immersed in a 0.5 wt% cyclohexanone solution of polyimide silicon, pulled up, and then heat-treated at 170 ° C. for 1 hour.
- a 45 wt% butanol solution of EDT and ferric p-toluenesulfonate was poured into a predetermined container so that the molar ratio was 6: 1 to prepare a mixed solution, and the capacitor element was prepared as described above.
- the capacitor element was immersed in the mixed solution for 10 seconds to impregnate the EDT and the oxidizing agent. Then, the capacitor element was left in a thermostat at 120 ° C. for 1 hour to cause a polymerization reaction of PEDT in the capacitor element to form a solid electrolyte layer. After that, the capacitor element was housed in a bottomed cylindrical aluminum case, and sealed with a sealing rubber to form a solid electrolytic capacitor.
- the rated voltage of this solid electrolytic capacitor is 25 WV, and the rated capacity is 10 ⁇ F.
- the concentration of the hexaxanone solution in polyimide silicon was 1.0 wt%. Otherwise, a solid electrolytic capacitor was prepared under the same conditions and steps as in Example 1.
- the concentration of the hexaxanone solution in the polyimide mouth was 1.5 wt%. Otherwise, a solid electrolytic capacitor was prepared under the same conditions and steps as in Example 1.
- the concentration of the hexaxanone solution in polyimide silicon was 2.0 wt%.
- a solid electrolytic capacitor was prepared in the same manner as in Example B1 except that the polyimide silicon treatment was not performed.
- the capacitor element is immersed in a polyimide silicon solution having a concentration of 2 wt% to 10 wt% after the repair formation to improve the pressure resistance and reduce the LC fluctuation after reflow.
- the capacitance element is immersed in a polyimide silicon solution having a concentration of not less than 0.05 wt% and less than 2 wt% after the repair formation, whereby the capacitance can be reduced. It is possible to provide a method for manufacturing a solid electrolytic capacitor that can be improved.
- the concentration of the polyimide silicon solution immersed after the repair formation is adjusted to 0.05 wt% or more and less than 2 wt%.
- the concentration of the polyimide silicon solution is adjusted to the range of 2 to 1 wt% to improve the withstand voltage and suppress the LC fluctuation after reflow. A capacitor can be obtained.
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- Chemical Kinetics & Catalysis (AREA)
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- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
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Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03798544A EP1551043B1 (en) | 2002-09-30 | 2003-09-29 | Solid electrolytic capacitor |
| US10/529,128 US7312977B2 (en) | 2002-09-30 | 2003-09-29 | Solid electrolytic capacitor |
| JP2004539571A JP4529687B2 (ja) | 2002-09-30 | 2003-09-29 | 固体電解コンデンサの製造方法 |
| DE60327869T DE60327869D1 (de) | 2002-09-30 | 2003-09-29 | Festelektrolytkondensator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002/321814 | 2002-09-30 | ||
| JP2002321814 | 2002-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004030004A1 true WO2004030004A1 (ja) | 2004-04-08 |
Family
ID=32040877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/012434 Ceased WO2004030004A1 (ja) | 2002-09-30 | 2003-09-29 | 固体電解コンデンサの製造方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7312977B2 (ja) |
| EP (1) | EP1551043B1 (ja) |
| JP (1) | JP4529687B2 (ja) |
| KR (1) | KR101018184B1 (ja) |
| CN (1) | CN100508087C (ja) |
| DE (1) | DE60327869D1 (ja) |
| WO (1) | WO2004030004A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005109078A (ja) * | 2003-09-30 | 2005-04-21 | Nippon Chemicon Corp | 固体電解コンデンサの製造方法 |
| JP2005109077A (ja) * | 2003-09-30 | 2005-04-21 | Nippon Chemicon Corp | 固体電解コンデンサの製造方法 |
| US7736398B2 (en) * | 2007-02-26 | 2010-06-15 | Kaneka Corporation | Method of manufacturing conductive polymer electrolytic capacitor |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010120560A1 (en) * | 2009-03-31 | 2010-10-21 | Battelle Memorial Institute | Supercapacitor materials and devices |
| CN103951674A (zh) * | 2009-09-30 | 2014-07-30 | 赫劳斯贵金属有限两和公司 | 选定色数的单体和用其制备的电容器 |
| US10482576B2 (en) | 2018-03-19 | 2019-11-19 | Mitsubishi Electric Research Laboratories, Inc. | Systems and methods for multi-spectral image super-resolution |
| CN108648913B (zh) * | 2018-04-09 | 2020-01-21 | 益阳市万京源电子有限公司 | 一种固态铝电解电容器 |
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| EP0833352A4 (en) * | 1996-04-26 | 2005-07-20 | Nippon Chemicon | SOLID ELECTROLYTE CAPACITOR AND ITS MANUFACTURE |
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| JP4623404B2 (ja) * | 1999-04-30 | 2011-02-02 | 株式会社村田製作所 | 固体電解コンデンサ及びその製造方法 |
| US6890363B1 (en) * | 1999-05-24 | 2005-05-10 | Showa Denko K.K. | Solid electrolytic capacitor and method for producing the same |
| US6519137B1 (en) * | 1999-09-10 | 2003-02-11 | Matsushita Electric Industrial Co., Ltd. | Solid electrolytic capacitor and production method thereof, and conductive polymer polymerizing oxidizing agent solution |
| US6426866B2 (en) * | 2000-04-14 | 2002-07-30 | Matsushita Electric Industrial Co., Ltd. | Solid electrolytic capacitor and method of manufacturing the same |
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| WO2003088287A1 (fr) * | 2002-03-28 | 2003-10-23 | Nippon Chemi-Con Corporation | Condensateur electrolytique solide et son procede de fabrication |
-
2003
- 2003-09-29 US US10/529,128 patent/US7312977B2/en not_active Expired - Lifetime
- 2003-09-29 EP EP03798544A patent/EP1551043B1/en not_active Expired - Lifetime
- 2003-09-29 WO PCT/JP2003/012434 patent/WO2004030004A1/ja not_active Ceased
- 2003-09-29 JP JP2004539571A patent/JP4529687B2/ja not_active Expired - Fee Related
- 2003-09-29 KR KR1020057005407A patent/KR101018184B1/ko not_active Expired - Lifetime
- 2003-09-29 CN CNB038233266A patent/CN100508087C/zh not_active Expired - Lifetime
- 2003-09-29 DE DE60327869T patent/DE60327869D1/de not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000114113A (ja) * | 1998-09-30 | 2000-04-21 | Nippon Chemicon Corp | 固体電解コンデンサとその製造方法 |
| JP2000133556A (ja) * | 1998-10-23 | 2000-05-12 | Hitachi Ltd | 固体電解コンデンサ及びその製造方法 |
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| Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005109078A (ja) * | 2003-09-30 | 2005-04-21 | Nippon Chemicon Corp | 固体電解コンデンサの製造方法 |
| JP2005109077A (ja) * | 2003-09-30 | 2005-04-21 | Nippon Chemicon Corp | 固体電解コンデンサの製造方法 |
| US7736398B2 (en) * | 2007-02-26 | 2010-06-15 | Kaneka Corporation | Method of manufacturing conductive polymer electrolytic capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60327869D1 (de) | 2009-07-16 |
| CN100508087C (zh) | 2009-07-01 |
| JPWO2004030004A1 (ja) | 2006-02-02 |
| EP1551043B1 (en) | 2009-06-03 |
| US7312977B2 (en) | 2007-12-25 |
| KR101018184B1 (ko) | 2011-02-28 |
| EP1551043A1 (en) | 2005-07-06 |
| KR20050059211A (ko) | 2005-06-17 |
| JP4529687B2 (ja) | 2010-08-25 |
| CN1685456A (zh) | 2005-10-19 |
| EP1551043A4 (en) | 2007-03-07 |
| US20060143883A1 (en) | 2006-07-06 |
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