Image sensor with plural centrally located sensor masks

Details Image sensor with plural centrally located sensor masks Image sensor with plural centrally located sensor masks

1992-10-05

1994-03-15

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250237R, H01J 4014

Patent

active

052947874

ABSTRACT:
In an image sensor, a light receptor has a shield film formed substantially centrally in a light receiving area on each of a plurality of light receiving devices, except those disposed at opposite ends of each sensor IC, for adjusting the quantity of light received by each light emitting device. The result is that fluctuation of sensitivity and resolution failure, which might occur during the production of sensor ICs to be used as the light receptor, can be eliminated.

REFERENCES:
patent: 4495422 (1985-01-01), Wiggins
patent: 5162644 (1992-11-01), Nagata et al.

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