Electricity: electrical systems and devices – Electrolytic systems or devices – Solid electrolytic capacitor
Reexamination Certificate
2008-04-29
2008-04-29
Ha, Nguyen T. (Department: 2831)
Electricity: electrical systems and devices
Electrolytic systems or devices
Solid electrolytic capacitor
C361S301100, C361S301200, C361S518000, C361S519000, C361S536000, C361S537000
Reexamination Certificate
active
07365962
ABSTRACT:
A capacitor includes a hollow capacitor element formed by rolling a pair of flat sheet-like electrodes and, with separators interposed therebetween, a bottom-closed metallic casing receiving the capacitor element and a drive electrolyte therein, and an opening-sealing plate sealing an opening portion of the metallic casing, the opening-sealing plate having an external connection terminal. A rubber-like elastic member is provided on a surface of the opening-sealing plate at a peripheral edge portion thereof, and an electrically-insulating layer is formed on the metallic casing to cover at least a region extending from the open end of the metallic casing to a recess provided for fixing the opening-sealing plate, and the rubber-like elastic member is pressed by the open end portion of the metallic casing.
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Miura Teruhisa
Miyazaki Yoshio
Ha Nguyen T.
Matsushita Electric - Industrial Co., Ltd.
Pearne & Gordon LLP
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