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Title:
SOLID ELECTROLYTIC CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2008/010422
Kind Code:
A1
Abstract:
A solid electrolytic capacitor comprising a positive electrode body of valve action metal; a dielectric oxide coating layer superimposed on the positive electrode body; a solid electrolytic layer of conductive polymer superimposed on the dielectric oxide coating layer; a carbon layer superimposed on the solid electrolytic layer; and a conductor layer superimposed on the carbon layer. The carbon layer contains carbon and an aromatic compound having a sulfonate group. This solid electrolytic capacitor exhibits low equivalent serial resistance.

Inventors:
OZAWA MASATO
Application Number:
PCT/JP2007/063461
Publication Date:
January 24, 2008
Filing Date:
July 05, 2007
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
OZAWA MASATO
International Classes:
H01G9/028; H01G9/04
Domestic Patent References:
WO2005014692A12005-02-17
Foreign References:
JPH03215922A1991-09-20
JP2001274040A2001-10-05
JP2005085947A2005-03-31
JP2006186292A2006-07-13
JPH07201671A1995-08-04
Attorney, Agent or Firm:
IWAHASHI, Fumio et al. (1006, Oaza Kadom, Kadoma-shi Osaka 01, JP)
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