Photoconductive reflex exposure member

Details Photoconductive reflex exposure member Photoconductive reflex exposure member

1980-08-27

1982-02-02

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

430 60, 430 64, 430 72, 430 73, 430 83, 430395, G03C 510, G03G 510, G03G 514

Patent

active

043140122

ABSTRACT:
A reflex exposure imaging member including a transparent conductive support member and a photoconductive layer disposed on said support member and an optical screen disposed between the photoconductive layer and the support member wherein the photoconductive layer includes an N,N'-diphenyl, N,N'-substituted diphenylbenzidine compound and a pyrylium, thiapyrylium or selenapyrylium salt in an insulating binder, the photoconductive layer having a thickness of about 5 to about 20 microns and an optical density of from about 0.1 to about 0.8.

REFERENCES:
patent: 2917385 (1959-12-01), Byrne
patent: 3671233 (1972-06-01), Confuis
patent: 3679406 (1972-07-01), Kryman
patent: 4078925 (1978-03-01), Horgan

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