Spectroscopic sensor and electronic apparatus

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United States of America Patent

PATENT NO 9357956
SERIAL NO

13038992

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Abstract

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A spectroscopic sensor has plural angle limiting filters that limit incident angles of incident lights, plural light band-pass filters that transmit specific wavelengths, and plural photodiodes to which corresponding transmitted lights are input. The spectroscopic sensor is a semiconductor device in which the angle limiting filters, the light band-pass filters, and the photodiodes are integrated, and, assuming that the surface on which impurity regions for the photodiodes are formed is a front surface of a semiconductor substrate, holes for receiving lights are formed in the impurity regions from the rear surface side.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Komatsu, Akira Kamiina-gun, JP 162 4129
Nakamura, Noriyuki Sakata, JP 66 657
Uematsu, Akira Suwa, JP 21 296
Yano, Kunihiko Shiogiri, JP 39 429

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