Electrolytic capacitor

Electricity: electrical systems and devices – Electrolytic systems or devices – Liquid electrolytic capacitor

Reexamination Certificate

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C252S062200

Reexamination Certificate

active

07848080

ABSTRACT:
The electrolytic capacitor includes a capacitor element and an electrolyte solution with which the capacitor element is impregnated. The capacitor element is composed of a positive electrode made of a valve metal, an etched negative electrode containing copper, and a separator disposed therebetween. The electrolyte solution contains complex salt of an azole ring compound with copper ions.

REFERENCES:
patent: 4240128 (1980-12-01), Van Alphen et al.
patent: 5733661 (1998-03-01), Ue et al.
patent: 0 684 620 (1995-11-01), None
patent: 63-274054 (1988-11-01), None
patent: 63-291414 (1988-11-01), None
patent: 2-077109 (1990-03-01), None
patent: 7-142293 (1995-06-01), None
patent: 2002-080927 (2002-03-01), None
patent: 2002-217073 (2002-08-01), None
patent: 95/15572 (1995-06-01), None
International Search Report issued Jan. 9, 2007 in the International (PCT) Application of which the present application is the U.S. National Stage.
German Office Action issued Mar. 30, 2010 in corresponding International (PCT) Application (with partial English translation).

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