Image line sensor unit, photosensors for use in the sensor unit

Details Image line sensor unit, photosensors for use in the sensor unit Image line sensor unit, photosensors for use in the sensor unit

1985-09-30

1988-02-09

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

357 30, G01T 122

Patent

active

047243236

ABSTRACT:
A photosensor comprising a photoconductive layer provided on a substrate. The layer contains amorphous silicon. At least a portion of the layer has a refractive index varying continuously through the thickness of the layer. The refractive index of the layer is 3.2 or less at a wavelength of 6,328 .ANG. in the vicinity of the surface of the substrate. A pair of electrodes are provided in electrical contact with the photoconductive layer. A photoreceptor is also provided, part of which is constituted by the spacing between the electrodes of the pair.

REFERENCES:
patent: 4249106 (1981-02-01), Maruyama et al.
patent: 4581099 (1986-04-01), Fukaya et al.
patent: 4651001 (1987-03-01), Harada et al.

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