Photoreceptor for electrophotography with a-Si layers having a g

Details Photoreceptor for electrophotography with a-Si layers having a g Photoreceptor for electrophotography with a-Si layers having a g

1988-06-03

1989-08-01

Goodrow, John L.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 66, 430 67, 430 84, G03G 5085, G03G 510

Patent

active

048533092

ABSTRACT:
A photoreceptor for electrophotography including an electrically conductive substrate, a bottom layer, a photoconductive layer composed mainly of amorphous silicon, and a surface layer, in that order. Both the bottom and surface layers have a greater optical bandgap than said photoconductive layer. A first middle layer is disposed between said bottom layer and said photoconductive layer, and a second middle layer is disposed between said photoconductive layer and said surface layer. Both the first and second middle layers are composed mainly of amorphous silicon and have a concentration of doped atoms which varies from the bottom to the top of the layer.

REFERENCES:
patent: 4394425 (1983-07-01), Shimizu et al.
patent: 4394426 (1983-07-01), Shimizu et al.
patent: 4418132 (1983-11-01), Yamazaki
patent: 4460669 (1984-07-01), Ogawa et al.
patent: 4460670 (1984-07-01), Ogawa et al.
patent: 4465750 (1984-08-01), Ogawa et al.
patent: 4490453 (1984-12-01), Shirai et al.
patent: 4513073 (1985-04-01), Jeffrey et al.
patent: 4525442 (1985-06-01), Shirai et al.

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