Electrophotosensitive member having an amorphous silicon-germani

Details Electrophotosensitive member having an amorphous silicon-germani Electrophotosensitive member having an amorphous silicon-germani

1985-07-10

1987-07-21

Goodrow, John L.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430 84, 430 95, G03G 5082

Patent

active

046818251

ABSTRACT:
The present invention provides an electrophotosensitive member comprising laminating a layer composed substantially of amorphous silicon, a layer composed substantially of amorphous silicon:germanium and a layer composed substantially of amorphous silicon in this order on an electroconductive substrate, an electrophotosensitive member comprising laminating a layer composed substantially of amorphous silicon, a layer composed substantially of amorphous silicon:germanium and a layer composed substantially of amorphous silicon in this order on an electroconductive substrate, characterized in that said layer composed substantially of amorphous silicon:germanium is situated away from said substrate by a range of 20 to 80% based on the total thickness of these layers.
According to the present invention, it is improve defect of the amorphous silicon:germanium such that it is easy to generate thermally excited carriers and low in the carrier-carrying efficiency problems such as reduction of sensitivity and generation of light fatigue and residual potential are easy to occur.

REFERENCES:
patent: 4491626 (1985-01-01), Kawamura et al.
patent: 4495262 (1985-01-01), Matsuzaki et al.
patent: 4513073 (1985-04-01), Jeffrey et al.

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