ELECTRODE FOIL FOR CAPACITOR AND ELECTROLYTIC CAPACITOR USING THE ELECTRODE FOIL

WIPO Patent Application WO/2010/064359

A1

An electrode foil for a capacitor is provided with a base material composed of a valve action metal foil, and a rough surface layer provided on the base material.  The rough surface layer has a base layer provided on the base material, and a cover layer provided on the base layer.  The base layer is composed of a plurality of first fine particles composed of the valve action metal.  The cover layer is composed of a plurality of second fine particles composed of the valve action metal.  The average diameter of the first fine particles is larger than that of the second fine particles.  The electrode foil has the rough surface layer which can be stably manufactured by deposition, and an electrolytic capacitor having a large capacity can be obtained.

JP4970742	Manufacturing method of aluminum material for electrolytic capacitor electrode, aluminum material for electrolytic capacitor, anode material for aluminum electrolytic capacitor and aluminum electrolytic capacitor
JP3258249	ALUMINUM ELECTRODE FOIL FOR ELECTROLYTIC CAPACITOR
JPH04231440	PRODUCTION OF ALUMINUM FOIL FOR ELECTROLYTIC CONDENSER

OSHIMA AKIYOSHI

PCT/JP2009/005942

June 10, 2010

November 09, 2009

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PANASONIC CORP (JP)
OSHIMA AKIYOSHI

H01G9/055; H01G9/028

JP2008288295A	2008-11-27
JP2008010490A	2008-01-17
JPH06267803A	1994-09-22
JP2008288296A	2008-11-27
JPH03196510A	1991-08-28
JP2003045753A	2003-02-14

See also references of EP 2365496A4

NAITO, Hiroki et al. (JP)
Hiroki Naito (JP)

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