Capacitor element for solid electrolytic capacitor and...

Details Capacitor element for solid electrolytic capacitor and... Capacitor element for solid electrolytic capacitor and...

2006-10-10

2006-10-10

Dinkins, Anthony (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

C361S504000, C029S025030

Reexamination Certificate

active

07120009

ABSTRACT:
The capacitor element includes a chip body2prepared by compacting valve metal powder into a porous body and sintering the body, and an anode bar3fixed to the chip body so as to project from an end surface2aof the chip body. A solid electrolyte layer5of conductive polymer is formed on the chip body via a dielectric film4. A cathode film6is formed on the solid electrolyte layer. The solid electrolyte layer5formed at the end surface2aof the chip body2includes carbide5aformed by pyrolysis of the solid electrolyte layer to surround the entire circumference of the anode bar3, so that damage is prevented from occurring at the root portion of the anode bar.

REFERENCES:
patent: 3686535 (1972-08-01), Piper et al.
patent: 5461538 (1995-10-01), Kuriyama
patent: 6151205 (2000-11-01), Kobayashi et al.
patent: 6334879 (2002-01-01), Muffoletto et al.
patent: 6661645 (2003-12-01), Sakai et al.
patent: 60-220922 (1985-11-01), None
patent: 7-74062 (1995-03-01), None

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