Solid electrolytic capacitor and a method for manufacturing...

Details Solid electrolytic capacitor and a method for manufacturing... Solid electrolytic capacitor and a method for manufacturing...

2008-03-11

2008-03-11

Ha, Nguyen T. (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

C361S516000, C361S519000, C361S525000, C361S528000, C361S534000, C029S025010, C029S025030

Reexamination Certificate

active

10518687

ABSTRACT:
A solid electrolytic capacitor is provided, which can reduce impedance, particularly, the ESL and the ESR. In one embodiment, such a solid electrolytic capacitor comprises a foil-like valve metal substrate formed with an insulating oxide film on the surface thereof, a valve metal body whose one end portion region is bonded to one of two opposite end portion regions of the foil-like valve metal substrate, a conductive metal substrate whose one end portion region is bonded to the other end portion region of the foil-like valve metal substrate, a cathode electrode formed by sequentially laminating at least a solid high molecular polymer electrolyte layer and a conductive layer on the surface of the foil-like valve metal substrate, and a cathode lead electrode being drawn out from the cathode electrode in a direction perpendicular to one major surface of the foil-like valve metal substrate.

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