Solid electrolytic capacitor and method of manufacturing the...

Details Solid electrolytic capacitor and method of manufacturing the... Solid electrolytic capacitor and method of manufacturing the...

2007-06-19

2007-06-19

Thomas, Eric W. (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

C361S533000, C361S540000

Reexamination Certificate

active

11350734

ABSTRACT:
A solid electrolytic capacitor includes: a capacitor element including an anode made of a valve metal having an oxide film formed on a surface thereof, a cathode provided with a valve metal, and a separator provided between the anode and the cathode, the anode and the cathode and the separator being wound around together; a solid electrolyte interposed between the anode and the cathode; an anode lead tab having an oxide film formed on a surface thereof and being fixed to the anode; and a cathode lead tab fixed to the cathode. The oxide film of the anode lead tab has a portion the thickness of which is equal to or greater than 75% but less than 100% of the thickness of the oxide film of the anode.

REFERENCES:
patent: 4068291 (1978-01-01), Pierpont
patent: 06-310381 (1994-11-01), None
patent: 2003309041 (2003-10-01), None

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