CMOS sensor having a structure to reduce white pixels
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United States of America Patent
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Feb 22, 2000
Grant Date -
N/A
app pub date -
Aug 4, 1998
filing date -
Aug 4, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sensor device has a field oxide layer deposited over a substrate. The field oxide layer has opposing sharp edges that define a window. A sensor is formed in the window with a distance between the sensor and each sharp edge that defines the window. The distance forms a gap that reduces the effects of the sharp edges on the sensor, thereby reducing the current leakage from the sensor. In addition, a protective layer may be disposed over the distance and the sharp edges of the field oxide layer to further protect the sharp edges from damage that may be caused from further processing.
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