Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
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.
Doi Isao
Natsuhara Toshiya
Osawa Izumi
Goodrow John L.
Minolta Camera Kabushiki Kaisha
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