Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,...
Patent
1983-01-03
1984-07-17
Martin, Jr., Roland E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
430 94, 430902, 355 3CH, 355 3R, G03G 1322
Patent
active
044606680
ABSTRACT:
An electrophotographic copying method suitable for a toner image transfer type copying apparatus is disclosed. Using a photosensitive member which comprises at least a photoconductive layer formed over a conductive base which is prepared from a dispersion of a photoconductive material including at least cadmium sulfide in a binder resin and in which a portion of photosensitive member is used repeatedly for forming an image of original to be copied, the method is characterized by performing a first step of charging said photosensitive member to high potential and to the same polarity as applied thereto for the formation of electrostatic latent images and subsequently exposing to light to sensitize said photosensitive member, said high potential being high enough to saturate the degree of sensitization; and a second step of charging the photosensitive member after the first step, and subsequently exposing the photosensitive member to an optical image to form an electrostatic latent image thereon.
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Inoue Masayoshi
Noda Tadao
Yoshida Masazumi
Martin Jr. Roland E.
Minolta Camera Kabushiki Kaisha
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