Electrolytic capacitor

Details Electrolytic capacitor Electrolytic capacitor

2007-08-14

2007-08-14

Thomas, Eric W. (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Liquid electrolytic capacitor

C361S518000

Reexamination Certificate

active

10534235

ABSTRACT:
An electrolytic capacitor having a low impedance characteristic, and a high withstand voltage characteristic in the 100V class, provides excellent high temperature life and leakage characteristics. An electrolyte solution containing an aluminum tetrafluoride salt is used. Moreover, a ceramics coating layer or an insulating synthetic resin layer is formed at a contact portion with a sealing component of a rivet or a cathode leading means. Alternatively, a partial cross-linking peroxide butyl rubber with added peroxide as a cross-linking agent to a butyl rubber polymer containing isobutylene, isoprene, and divinylbenzene copolymer is used as the sealing member. The electrolytic capacitor of the present invention has a low impedance characteristic, a high withstand voltage characteristic, and an excellent high temperature life characteristic.

REFERENCES:
patent: RE31743 (1984-11-01), Arora et al.
patent: 6219224 (2001-04-01), Honda
patent: 6262879 (2001-07-01), Nitta et al.
patent: 2004/0095708 (2004-05-01), Takeda et al.
patent: 02249220 (1990-10-01), None
patent: 11067600 (1999-03-01), None
patent: 11135365 (1999-05-01), None
patent: 2001102265 (2001-04-01), None
patent: 2001326143 (2001-11-01), None

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