Image pickup system with MOS sensors and microlenses
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United States of America Patent
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-
Jan 17, 2006
Issued Date -
N/A
app pub date -
Apr 4, 2001
filing date -
Apr 12, 2000
priority date (Note) -
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Abstract
The image pickup system includes: MOS sensors arranged in an image pickup region of a semiconductor substrate in the form of a matrix and having photoelectric transfer layers; a peripheral circuit part formed in a region of the semiconductor substrate except for the image pickup region and having a driving circuit for driving the MOS sensors and a signal processing circuit for processing output signals from the MOS sensors; and microlenses, formed on the photoelectric transfer layers via a first insulating film, for condensing picture signals on the photoelectric transfer layers, wherein the driving circuit and the signal processing circuit in the peripheral circuit part are covered by a second insulating film, and the distance between the surface of the first insulating film and the semiconductor substrate is shorter than the distance between the surface of a second insulating film and the semiconductor substrate.
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