Solid-state image pickup device
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United States of America Patent
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Nov 22, 2016
Grant Date -
Aug 13, 2015
app pub date -
Apr 22, 2015
filing date -
Oct 9, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A solid-state image pickup device includes a plurality of pixels, each of the pixels including a photoelectric conversion portion, a charge holding portion, a floating diffusion, and a transfer portion. The pixel also includes a beneath-holding-portion isolation layer and a pixel isolation layer. An end portion on a photoelectric conversion portion side of the pixel isolation layer is away from the photoelectric conversion portion compared to an end portion on a photoelectric conversion portion side of the beneath-holding-portion isolation layer, and an N-type semiconductor region constituting part of the photoelectric conversion portion is disposed under at least part of the beneath-holding-portion isolation layer.
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