Tantalum capacitor

Details Tantalum capacitor Tantalum capacitor

2008-11-25

2009-10-13

Pert, Evan (Department: 2826)

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

C361S307000, C361S330000, C029S025420

Reexamination Certificate

active

07602600

ABSTRACT:
A tantalum capacitor includes: sintered bodies which are disposed at intervals and respectively have first surfaces forming the same surface; and electrode rods which respectively extend into the tantalum sintered bodies and project from the first surfaces of the tantalum sintered bodies. The tantalum capacitor further includes: layers composed of an oxide film layer, a functional polymer layer or a manganese layer, and a carbon layer which are sequentially laminated on surfaces of each of the tantalum sintered bodies excluding the first surface; a conductive layer which covers outside surfaces of the tantalum sintered bodies excluding the first surfaces; and an electrode plate having openings respectively formed at positions corresponding to the first surfaces of the tantalum sintered bodies so that the electrode rods are exposed through the openings. The electrode plate is connected to the conductive layer and spreads across the first surfaces of the tantalum sintered bodies.

REFERENCES:
patent: 4916576 (1990-04-01), Herbert et al.
patent: 5412533 (1995-05-01), Murayama et al.
patent: 6219224 (2001-04-01), Honda
patent: 7193840 (2007-03-01), Ohtsu
patent: 2002-237431 (2002-08-01), None
patent: 2003-332173 (2003-11-01), None
patent: 2005-101279 (2005-04-01), None

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