Method for manufacturing vertical CMOS image sensor

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United States of America Patent

PATENT NO 7754557
APP PUB NO 20090004770A1
SERIAL NO

12146360

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Abstract

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A method for manufacturing a vertical CMOS image sensor related to a semiconductor device is disclosed. A high-temperature double annealing process and/or an additional passivation nitride film are selectively applied in order to improve dark leakage characteristics and also to prevent or reduce an incidence of circular defects, thereby enhancing the quality and reliability of the vertical CMOS image sensor.

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Patent Owner(s)

  • DB HITEK CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Park, Jeong Su Seoul, KR 44 27

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