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US Patent 7268997 Solid electrolytic capacitor

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Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7268997
Date of Patent
September 11, 2007
Patent Application Number
11507705
Date Filed
August 22, 2006
Patent Primary Examiner
‌
Eric W Thomas
Patent abstract

An aluminum solid electrolytic capacitor (conductive polymer type solid electrolytic capacitor) has an anodic oxide film layer, a conductive polymer layer, and a polystyrene sulfonate layer interposed between the anodic oxide film layer and the conductive polymer layer. A transmission line element has a cathode portion formed on a central portion of an aluminum substrate in an aluminum solid electrolytic capacitor. The transmission line element also has a pair of anode terminal areas located at both sides of the cathode portion on the aluminum substrate and is configured to supply a current between the pair of anode terminal areas.

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