Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1977-03-07
1982-04-13
Welsh, John D.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
204 2, 430 64, 430 65, 204 181, 430 66, G03G 500
Patent
active
043246222
ABSTRACT:
Electrophotographic element typically comprising in sandwiched arrangement a transition metal oxide layer and a photoconductive layer. When an electric field is applied across the element, preferably after inserting the element between a pair of electrode layers, and an optical image is projected onto the photoconductive layer, the resulting conductivity pattern in the photoconductive layer causes corresponding coloration in the transition metal oxide layer, thereby visibly recording the optical image.
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American Cyanamid Company
Fickey Charles J.
Hart Gordon L.
Welsh John D.
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