Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Using ion or particle flow modulation
Patent
1978-02-21
1981-03-10
Talbert, Jr., Dennis E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Using ion or particle flow modulation
355 3SC, 430 68, G03G 1300
Patent
active
042555078
ABSTRACT:
An electrophotographic process of this invention is achieved by subjecting a photosensitive screen to a matched performance of voltage applications and image irradiation to form a primary electrostatic latent image for modulating the flow of corona ions to enable a secondary electrostatic latent image on a recording member disposed in close proximity to the screen bearing the primary electrostatic latent image. The screen is made of a conductive member as the basic element for the screen, a photoconductive member covering the substantial part of the conductive member, and a surface insulating member also covering the substantial part of the conductive member and the photoconductive member, in which the conductive member is partly exposed at one surface side of the screen, or it is entirely covered by the surface insulating member with another conductive member to be exposed being provided on said insulating member, and the coating thicknesses of the photoconductive and surface insulating members are thicker at the portion opposite to the surface part of the conductive member to be exposed.
REFERENCES:
patent: 3824010 (1974-07-01), Pressman
patent: 3881921 (1975-05-01), Frank
patent: 4046466 (1977-09-01), Ando et al.
Ando Yujiro
Moriyama Inao
Ohara Katsunobu
Tanaka Keiji
Canon Kabushiki Kaisha
Goodrow John L.
Talbert, Jr. Dennis E.
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