Solid-state imaging device
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United States of America Patent
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Jan 27, 2009
Grant Date -
Nov 15, 2007
app pub date -
Jul 19, 2007
filing date -
Nov 7, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is regarding to solid-state imaging device. A solid-state imaging device consistent with the present invention includes, a plurality of unit cells on a semiconductor substrate of a first conductivity type, each unit cell including a photoelectric conversion unit comprising a photodiode having a diffusion layer of a second conductivity type and a signal scanning circuit unit; a trench isolation region for isolating the photoelectric conversion unit from the signal scanning circuit unit, the trench isolation region being formed in the semiconductor substrate;a first element-isolating diffusion layer of the first conductivity type formed under a bottom face of the trench isolation region down to a position deeper than the diffusion layer of the photodiode from the surface of the semiconductor substrate.
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