JPS6449212A - Tantalum solid electrolytic capacitor - Google Patents

Tantalum solid electrolytic capacitor

Info

Publication number
JPS6449212A
JPS6449212A JP20513887A JP20513887A JPS6449212A JP S6449212 A JPS6449212 A JP S6449212A JP 20513887 A JP20513887 A JP 20513887A JP 20513887 A JP20513887 A JP 20513887A JP S6449212 A JPS6449212 A JP S6449212A
Authority
JP
Japan
Prior art keywords
acid
solid electrolytic
electrolytic capacitor
salts
oxide film
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.)
Pending
Application number
JP20513887A
Other languages
Japanese (ja)
Inventor
Takeshi Morimoto
Eiji Endo
Satoshi Takemiya
Kaname Kurihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elna Co Ltd
AGC Inc
Original Assignee
Asahi Glass Co Ltd
Elna Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asahi Glass Co Ltd, Elna Co Ltd filed Critical Asahi Glass Co Ltd
Priority to JP20513887A priority Critical patent/JPS6449212A/en
Publication of JPS6449212A publication Critical patent/JPS6449212A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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

Abstract

PURPOSE:To eliminate the damage of a conductive oxide film and to reduce a leakage current by employing conductive polypyrrole having excellent electric conductivity and easy formation of a solid electrolyte layer as the solid electrolyte of a tantalum solid electrolytic capacitor. CONSTITUTION:A solid electrolytic layer made of conductive polymer compound is formed on a dielectric oxide film to form a tantalum solid electrolytic capacitor. In this case, the compound is of conductive polypyrrole doped with at least one type selected from a group consisting of arylsulfonic acid or its salts, arylphosphinic acid or its salts, and arylphosphonic acid or its salts. Benzenesulfonic acid, or toluenesulfonic acid, etc., is employed as the arylsulfonic acid. Thus, the damage of the dielectric oxide film is eliminated, and a leakage current is reduced.
JP20513887A 1987-08-20 1987-08-20 Tantalum solid electrolytic capacitor Pending JPS6449212A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20513887A JPS6449212A (en) 1987-08-20 1987-08-20 Tantalum solid electrolytic capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20513887A JPS6449212A (en) 1987-08-20 1987-08-20 Tantalum solid electrolytic capacitor

Publications (1)

Publication Number Publication Date
JPS6449212A true JPS6449212A (en) 1989-02-23

Family

ID=16502054

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20513887A Pending JPS6449212A (en) 1987-08-20 1987-08-20 Tantalum solid electrolytic capacitor

Country Status (1)

Country Link
JP (1) JPS6449212A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0521283A (en) * 1991-07-10 1993-01-29 Matsushita Electric Ind Co Ltd Capacitor and its manufacture
JP2011009617A (en) * 2009-06-29 2011-01-13 Japan Carlit Co Ltd:The Oxidizer for manufacturing conductive polymer, solid electrolytic capacitor using the same, and method of manufacturing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0521283A (en) * 1991-07-10 1993-01-29 Matsushita Electric Ind Co Ltd Capacitor and its manufacture
JP2011009617A (en) * 2009-06-29 2011-01-13 Japan Carlit Co Ltd:The Oxidizer for manufacturing conductive polymer, solid electrolytic capacitor using the same, and method of manufacturing the same

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