Photoelectric conversion device having a light-shielding film
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United States of America Patent
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Apr 23, 2013
Grant Date -
Jul 15, 2010
app pub date -
Dec 22, 2009
filing date -
Jan 13, 2009
priority date (Note) -
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Abstract
A photoelectric conversion device includes a photoelectric conversion unit which is arranged in a semiconductor substrate, a charge holding portion which is arranged in the semiconductor substrate and temporarily holds a charge generated by the photoelectric conversion unit, a first transfer electrode which is arranged at a position above the semiconductor substrate to transfer a charge generated by the photoelectric conversion unit to the charge holding portion, a charge-voltage converter which is arranged in the semiconductor substrate and converts a charge into a voltage, and a second transfer electrode which is arranged at a position above the semiconductor substrate to transfer a charge held by the charge holding portion to the charge-voltage converter, and the first transfer electrode is arranged to cover the charge holding portion, and not to overlap the second transfer electrode when viewed from a direction perpendicular to the upper surface of the semiconductor substrate.
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