Process for the temperature compensation of a photoconducting de

Details Process for the temperature compensation of a photoconducting de Process for the temperature compensation of a photoconducting de

1984-12-27

1987-07-21

Wan, Gene

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

H01J 4014

Patent

active

046820183

ABSTRACT:
A photodetector which uses a photoconductive layer for detection is provided with a load resistor which is a layer of the same material and shares the same substrate as the photoconducting layer for temperature compensation. The resistor layer is shielded from the radiation being detected while the photoconductive layer is exposed to the radiation. Advantageously, each layer has the same intrinsic resistance but the resistance layer is a scaled up transformation of the photoconducting layer.

REFERENCES:
Patents Abstracts of Japan, vol. 2, No. 26, Fevrier 20, 1978, p. 11789 E 77 & JP-A-52 145 275 (Fujitsu K.K.) (03-12-1977).

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