Solid electrolytic capacitor

Details Solid electrolytic capacitor Solid electrolytic capacitor

2008-06-24

2008-06-24

Ha, Nguyen T. (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

C361S516000, C361S519000, C361S525000, C361S528000, C361S529000, C029S025010, C029S025030

Reexamination Certificate

active

07391604

ABSTRACT:
A solid electrolytic capacitor having a capacitor element which includes an anode foil and a cathode foil rolled with a separator interposed therebetween, and a solid electrolyte layer or an electrically conductive polymer layer provided therein. The anode foil is coated with a dielectric oxide film. The dielectric oxide film is an oxide film formed by oxidizing a film of a mono-metal nitride or a composite metal nitride formed on the anode foil. The mono-metal nitride is titanium nitride, zirconium nitride, tantalum nitride or niobium nitride. The composite metal nitride is aluminum titanium nitride, chromium titanium nitride, zirconium titanium nitride or titanium carbonitride.

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Japanese Office Action mailed Sep. 25, 2007 with English translation (4 pages).

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