Image sensor, method of manufacturing the same, and method...

Details Image sensor, method of manufacturing the same, and method... Image sensor, method of manufacturing the same, and method...

2008-01-24

2010-02-23

Lee, John R (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S214100, C257S292000, C257S461000, C257S464000, C257S225000, C257SE27131, C438S057000

Reexamination Certificate

active

07667178

ABSTRACT:
An image sensor includes a photoelectric conversion section in a semiconductor substrate, the photoelectric conversion section having a capping layer of a first conductivity type and a photodiode of a second conductivity type below the capping layer, the photodiode having an upper surface deeper than about 1 μm, as measured from an upper surface of the semiconductor substrate, a charge detection section receiving charges stored in the photoelectric conversion through a charge transfer section and converting the received charges into respective electrical signals, a voltage application section adapted to apply voltage to the capping layer and to a lower portion of the semiconductor substrate to control a width of a depletion layer on the photodiode, and a signal operation section adapted to generate red, green, and blue, signals according to signals from the charge detection section.

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