Imager light shield
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United States of America Patent
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Jun 24, 2008
Grant Date -
Nov 11, 2004
app pub date -
Jun 18, 2004
filing date -
Apr 10, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An improved imager pixel arrangement having a light shield over the pixel circuitry, but below the conductive interconnect layers of the pixel. The light shield can be a thin film of opaque (or nearly-opaque) material with openings for contacts to the underlying circuitry. An aperture in the light shield exposes the active region of the pixel's photoconversion device.
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