Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Electrophoretic imaging – process – composition – or product
Patent
1978-11-09
1980-11-11
Welsh, John D.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Electrophoretic imaging, process, composition, or product
430126, 430 35, 430 45, 355 3TR, G03G 1322
Patent
active
042333814
ABSTRACT:
My invention comprises charging a photoconductive surface in the dark and exposing it to a light and shade image of the original to produce a latent electrostatic image. The latent electrostatic image is then developed by any method known to the art employing a liquid developing fluid, and the apparent resolution or sharpness of the developed image is increased by exposing the developed image, while on the photoconductor, to the action of blanket light. The sharpened image may then be transferred to a carrier sheet by any method known to the art.
The apparatus of my invention comprises a conventional electrophotographic reproduction apparatus in which a means is provided for subjecting a liquid-developed image, while on the photoconductor, to the action of blanket light. This means is positioned to act before the liquid-developed image is transferred to a carrier sheet after it has been developed, if a transfer is to take place.
REFERENCES:
patent: 3707138 (1972-12-01), Cartwright
Savin Corporation
Welsh John D.
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