Color image sensor and method of manufacturing the same
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United States of America Patent
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Jan 2, 2018
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N/A
app pub date -
Oct 27, 2015
filing date -
Feb 10, 2015
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Abstract
A color image sensor including an array of pixels is formed in a semiconductor layer having a back side that receives an illumination. Insulated conductive walls penetrate into the semiconductor layer from the back side and separate the pixels from one another. For each pixel, a color pixel penetrates into from 5 to 30% of a thickness of the semiconductor layer from the back side and occupies at least 90% of the surface area delimited by the walls. An electrically-conductive layer extends from the lateral wall of the filter all the way to the walls.
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