IMAGE SENSOR AND PIXELS INCLUDING VERTICAL OVERFLOW DRAIN
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United States of America Patent
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Issued Date -
Apr 9, 2015
app pub date -
Oct 4, 2013
filing date -
Oct 4, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Embodiments of an apparatus comprising a pixel array including a plurality of pixels formed in a substrate having a front surface and a back surface, each pixel including a photosensitive region formed at or near the front surface and extending into the substrate a selected depth from the front surface. A filter array is coupled to the pixel array, the filter array including a plurality of individual filters each optically coupled to a corresponding photosensitive region, and a vertical overflow drain (VOD) is positioned in the substrate between the back surface and the photosensitive region of at least one pixel in the array.
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