Thin film capacitor

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United States of America Patent

PATENT NO 9564270
APP PUB NO 20150235767A1
SERIAL NO

14577392

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A thin film capacitor is provided with a lower electrode layer, a dielectric layer arranged on the lower electrode layer, and an upper electrode layer formed on the dielectric layer. An insulator patch material, circular when projected from above, is formed at a boundary of the dielectric layer and the upper electrode layer of the thin film capacitor of this invention. The circular insulator patch improves a withstand voltage, by reducing accumulation of charges.

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Patent Owner(s)

  • TDK CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aotani, Junji Tokyo, JP 12 185
Oikawa, Yasunobu Tokyo, JP 25 153
Yano, Yoshihiko Tokyo, JP 72 1726

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