Imaging device
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Jan 27, 2017
filing date -
Feb 25, 2016
priority date (Note) -
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Abstract
An imaging device includes a unit pixel cell including: a semiconductor substrate including a first region exposed to a surface of the semiconductor substrate in a first area, and a second region directly adjacent to the first region and exposed to the surface in a second area; a photoelectric converter; a contact plug connected to the second region; a first transistor including the second region as one of a source and a drain, a first electrode covering a first portion of the first area, and a first insulation layer between the first electrode and the semiconductor substrate; a second electrode covering a second portion of the first area; and a second insulation layer between the second electrode and the semiconductor substrate. When seen in a direction perpendicular to the surface, a contact between the second region and the contact plug is located between the first electrode and the second electrode.
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