Semiconductor device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11631665
APP PUB NO 20220045047A1
SERIAL NO

17452069

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is a semiconductor device comprising a semiconductor substrate that includes a transistor region; an emitter electrode that is provided on the semiconductor substrate; a first dummy trench portion that is provided on the transistor region of the semiconductor substrate and includes a dummy conducting portion that is electrically connected to the emitter electrode; and a first contact portion that is a partial region of the transistor region, provided between an end portion of a long portion of the first dummy trench portion and an end portion of the semiconductor substrate, and electrically connects the emitter electrode and a semiconductor region with a first conductivity type provided in the transistor region.

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Patent Owner(s)

  • FUJI ELECTRIC CO. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harada, Yuichi Matsumoto, JP 61 427

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