Semiconductor device and information processing system
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United States of America Patent
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Apr 30, 2019
Grant Date -
Jul 27, 2017
app pub date -
Jan 17, 2017
filing date -
Jan 25, 2016
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Abstract
A semiconductor device is provided. The device generates a signal based on both a first carrier generated in a first photodiode and a second carrier generated in a second photodiode. The first photodiode includes a first region of a second conductivity type and a second region of a first conductivity type arranged between a surface of a substrate and the first region. The second photodiode includes a third region of the first conductivity type and a fourth region of the second conductivity type arranged between the surface and the third region. A fifth region of the first conductivity type is provided at a position farther apart from the surface than the first region. A peak of an impurity concentration of the third region is positioned in a range where the first region exists between the second region and the fifth region.
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