Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1982-09-07
1983-11-15
Welsh, John D.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 58, 430 59, 430 64, 430 65, G03G 514
Patent
active
044156391
ABSTRACT:
This invention is directed to an improved photoresponsive device comprised of a substrate, a hole blocking layer, an optional adhesive layer, an inorganic photogenerating layer, an organic photoconductive layer sensitive to infra-red radiation, and a top coating of a hole transport layer. More specifically, the present invention is directed to an improved photoresponsive device comprised in the order stated of the following layers: (1) a conductive substrate, (2) a metal oxide hole blocking layer, (3) an adhesive layer, (4) an inorganic photogenerating layer, (5) a photoconductive composition capable of enhancing or reducing the intrinsic properties of the photogenerating layer, which composition is selected from the group consisting of organic photoconductive compositions, charge transfer complex compositions, sensitizers, or mixtures thereof, and (6) a hole transport layer.
REFERENCES:
patent: 4103935 (1978-08-01), Petruzzella
patent: 4265990 (1981-05-01), Stolka et al.
patent: 4281054 (1981-07-01), Horgan
Palazzo E. O.
Welsh John D.
Xerox Corporation
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