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...

2008-06-17

2009-11-17

Thomas, Eric (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

C361S538000, C029S025030

Reexamination Certificate

active

07619876

ABSTRACT:
A solid electrolytic capacitor includes a porous sintered body made of a valve-acting metal and embedded with part of an anode lead having a protruding portion, a solid electrolyte layer formed in contact with a dielectric layer formed in the porous sintered body, a mounting anode terminal member, a mounting cathode terminal member, and an insulating casing resin. The capacitor further includes a small piece of a metal frame made of a valve-acting metal. This small piece of the metal frame is formed integrally with the protruding portion of the anode lead by cutting, after the anodic oxidation, the metal frame to which the protruding portion of the anode lead is fixed by resistance welding. The small piece of the metal frame and the mounting anode terminal member are connected together by wire bonding so that the anode lead and the mounting anode terminal member are electrically connected together.

REFERENCES:
patent: 5644281 (1997-07-01), Kuriyama
patent: 5784248 (1998-07-01), Tomiyasu et al.
patent: 5805413 (1998-09-01), Kurita
patent: 6259348 (2001-07-01), Kuriyama
patent: 2001-244147 (2001-09-01), None
patent: 2001-267181 (2001-09-01), None
patent: 2001244145 (2001-09-01), None

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