Electrophotographc process to release trapped charges by chargin

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Charging simultaneous with imaging

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430 60, 430125, G03G 514, G03G 1324

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active

043627978

ABSTRACT:
An electrophotographic process comprising the steps of providing a composite photosensitive member consisting of a conductor, an intermediate layer of organic insulator, a photoconductive semiconductor layer as a charge generating layer formed on the conductor and a transparent photo semiconductor layer as a charge retentive and transporting layer; forming on the composite photosensitive member an electrostatic latent image corresponding to an image of a document to be copied; obtaining desired number of duplicated copies; uniformly charging the composite photosensitive member simultaneously with or before exposing ultraviolet rays on the composite photosensitive member to release charges trapped in the composite member.

REFERENCES:
patent: 3776627 (1973-12-01), Ohnishi et al.
patent: 3834809 (1974-09-01), Yoshizawa

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