Electrophotographic copying method with residual charge erasing

Details Electrophotographic copying method with residual charge erasing Electrophotographic copying method with residual charge erasing

1979-03-30

1982-07-20

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

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

Electrostatic image transfer

430 55, 430125, 361212, G03G 1318, G03G 1322

Patent

active

043406564

ABSTRACT:
A residual charge erasing step in the electrophotographic process in which a transparent conductor backed photoconductor layer positioned in virtual contact with a conductor backed dielectric layer is exposed to a light image while a first voltage is applied between the conductors to produce on the dielectric layer an electrostatic latent image, the erasing step which is applied after the transfer of the latent image includes positioning the photoconductor and dielectric layers in virtual contact, illuminating the full surface of the photoconductor layer and applying between the conductors a second voltage of a polarity opposite to the first voltage and whose value is

REFERENCES:
patent: 2777955 (1957-01-01), Walkup
patent: 2825814 (1958-03-01), Walkup
patent: 2937943 (1960-05-01), Walkup
patent: 3502408 (1970-03-01), Brodie
patent: 3626260 (1971-12-01), Kimura
Schaffert Electrophotography, 1975, p. 167.

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