Image pick-up device having well structure and image pick-up...

Details Image pick-up device having well structure and image pick-up... Image pick-up device having well structure and image pick-up...

2006-11-14

2006-11-14

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S239000

Reexamination Certificate

active

07135666

ABSTRACT:
Receiving a subject image at good sensitivity by improving the light collection efficiency of incident light, wherein an image pick-up element includes a light-receiving portion, poly-silicon wiring formed on the light-receiving portion, and a well structure. The poly-silicon wiring is arranged so as to be overlapped with at least a part of the light-receiving portion, and is electrically connected to the light-receiving portion to perform the control of electric charges generated at the light-receiving portion, the switching of the light-receiving portion, and the like. The well structure is formed in at least a part of the area of the light-receiving portion in which the poly-silicon wiring is arranged, and the opened area of the well structure is sufficiently secured.

REFERENCES:
patent: 4721999 (1988-01-01), Takemura et al.
patent: 6259083 (2001-07-01), Kimura
patent: 8-321595 (1996-12-01), None
patent: 11-68074 (1999-03-01), None

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