Image sensor with well bounce correction
First Claim
Patent Images
1. An image sensor comprising:
- a substrate of a first conductivity type;
a plurality of pixels formed in a well of a second conductivity type opposite the first conductivity type, wherein the plurality of pixels are arranged in an array; and
a plurality of well contacts for providing a bias voltage to the well of the second conductivity type, wherein the plurality of well contacts are only disposed on two opposing sides of the array with no well contacts disposed on the remaining sides of the array or within the array.
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Abstract
An image sensor includes a pixel array having photoactive pixels and dark reference pixels. The photoactive pixels can be configured in a sub-array within the pixel array. Well contacts are only placed along opposing sides or edges of the sub-array of photoactive pixels or along opposing sides or edges of the pixel array.
16 Citations
8 Claims
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1. An image sensor comprising:
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a substrate of a first conductivity type; a plurality of pixels formed in a well of a second conductivity type opposite the first conductivity type, wherein the plurality of pixels are arranged in an array; and a plurality of well contacts for providing a bias voltage to the well of the second conductivity type, wherein the plurality of well contacts are only disposed on two opposing sides of the array with no well contacts disposed on the remaining sides of the array or within the array. - View Dependent Claims (2, 3, 4)
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5. An image capture device comprising:
An image sensor including; a substrate of a first conductivity type; a plurality of pixels formed in a well of a second conductivity type opposite the first conductivity type, wherein the plurality of pixels are arranged in an array; and a plurality of well contacts for providing a bias voltage to the well of the second conductivity type, wherein the plurality of well contacts are only disposed on two opposing sides of the array with no well contacts disposed on the remaining sides of the array or within the array. - View Dependent Claims (6, 7, 8)
Specification