Camera, image sensor, and method for decreasing undesirable...

Details Camera, image sensor, and method for decreasing undesirable... Camera, image sensor, and method for decreasing undesirable...

2011-07-05

2011-07-05

Ye, Lin (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C257S463000

Reexamination Certificate

active

07973836

ABSTRACT:
A method for lowering dark current in an image sensor pixel, the method includes the steps of providing a photosensitive area for receiving incident light which is converted into a charge; providing a gate for transferring charge from the photosensitive area; wherein the gate is held at a voltage which will accumulate majority carriers at a semiconductor-dielectric interface during integration for the photosensitive area. Alternatively, a potential profile can be provided under the gate to drain the dark current away from the photogeneration diffusion.

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