ORGANIC SOLID ELECTROLYTIC CAPACITOR AND MANUFACTURING METHOD THEREFOR

Title:

ORGANIC SOLID ELECTROLYTIC CAPACITOR AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

Japanese Patent JP3505370

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To repeatedly use an electrolyte used for electrolytic oxidation polymerization, in a process for forming a cathodic layer by electrolytic oxidation polymerization.
SOLUTION: In a method for manufacturing an organic solid electrolytic capacitor, which includes a process for forming a dielectric oxide film on the surface of an anode formed of a valve action metal such as Al, Ta and a process for forming a cathodic layer composed of a conductive polymer through electrolytic oxidative polymerization, the process for forming the cathodic layer by electrolytic oxidation polymerization includes a process for keeping the pH of the electrolyte within a predetermined range by adding an acid or an alkali to the electrolyte used for the electrolytic oxidation polymerization.

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Inventors:

Takeshi Takamatsu
Yutaka Takeya

Application Number:

JP27698497A

Publication Date:

March 08, 2004

Filing Date:

October 09, 1997

Export Citation:

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Assignee:

Sanyo Electric Co., Ltd.
Sanyo Electronic Parts Co., Ltd.

International Classes:

H01G9/028; (IPC1-7): H01G9/028

Domestic Patent References:

JP5121273A
JP9246104A
JP6325984A
JP3227511A

Attorney, Agent or Firm:

Masamasa Shibano

Previous Patent: JPH03505369

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