Image sensor with vertical electrodes
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Oct 22, 2015
filing date -
Oct 27, 2014
priority date (Note) -
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Abstract
An image sensor arranged inside and on top of a semi-conductor substrate having a front surface and a rear surface, the sensor including a plurality of pixels, each including: a photosensitive area, a reading area, and a storage area extending between the photosensitive area and the reading area; a vertical insulated electrode including an opening of transfer between the photosensitive area and the storage area; and at least one insulation element among the following: a) a layer of an insulating material extending under the surface of the photosensitive area and of the storage area and having its front surface in contact with the rear surface of the electrode; and b) an insulating wall extending vertically in the opening, or under the opening.
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