Electrostatographic imaging member

Details Electrostatographic imaging member Electrostatographic imaging member

1975-03-19

1977-03-29

Welsh, John D.

Gas separation: apparatus

Magnetic separating means

96 1R, 96 14, G03G 504

Patent

active

040146979

ABSTRACT:
A process for image reproduction comprises the steps of contacting a charge blocking surface on a photoreceptive body with a developer material containing charged toner particles, providing an electric field of predetermined polarity between the photoreceptor and a transfer medium for attracting the toner particles toward the photoreceptor surface, subjecting the photoreceptor to activating radiation in image configuration for inducing an electrostatic charge pattern in image configuration on the photoreceptor near an interface between the blocking layer and the developer material and providing an electric field of opposite polarity between the photoreceptor and the transfer medium for transferring the toner particles in image configuration to the transfer medium. Automated copying apparatus and photographic apparatus in accordance with features of the invention are provided.

REFERENCES:
patent: 3511651 (1970-05-01), Rosenberg
patent: 3674475 (1972-07-01), Silverberg

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