Surface-mount thin-profile capacitor and method of producing...

Details Surface-mount thin-profile capacitor and method of producing... Surface-mount thin-profile capacitor and method of producing...

2006-09-26

2006-09-26

Ha, Nguyen T. (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

C361S516000, C361S525000, C361S528000, C361S529000, C361S532000, C029S025030

Reexamination Certificate

active

07113390

ABSTRACT:
In a surface-mount thin-profile capacitor including an aluminum foil as a base member composed of an aluminum core and a pair of etched layers covering opposite surfaces of the aluminum core, a resist resin is formed at a boundary between an anode as each of opposite end portions of the aluminum foil and a cathode formed at a center area of each of opposite surfaces of the aluminum foil. The resist resin separates and isolates the etched layer on the side of the anode and a conductive polymer layer from each other. If a part of the conductive polymer layer climbs up onto the resist resin, the climbing part of the conductive polymer layer is covered with an additional resist resin.

REFERENCES:
patent: 4203194 (1980-05-01), McGrath
patent: 5424907 (1995-06-01), Kojima et al.
patent: 6392869 (2002-05-01), Shiraishi et al.
patent: 6594141 (2003-07-01), Takada

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