Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Physical developing
Patent
1976-09-27
1982-08-24
Kittle, John E.
Radiation imagery chemistry: process, composition, or product th
Post imaging processing
Physical developing
430 57, 430 79, 430122, 430130, 2503171, 346 742, 360 59, G03G 1900
Patent
active
043461565
ABSTRACT:
An electrophotographic magnetic imaging member comprises a conductive, magnetizable layer in contact with a photoconductive layer. An electrostatic latent image is formed on the photoconductive layer utilizing the conductive, magnetizable layer as a conductive electrode in carrying out the electrophotographic discharge step. The conductive, magnetizable layer is also magnetized with a selected spatial wavelength of magnetic transitions. The electrostatic latent image is developed with toner which reflects or absorbs visible electromagnetic radiation. The imaging member is exposed to visible electromagnetic radiation from the photoconductive side. In one embodiment, the visible radiation is absorbed or reflected by the toned image and is transmitted through uncovered portions of the photoconductor, heating the conductive, magnetizable layer and thermoremanently erasing magnetic transitions in the magnetizable layer. In another embodiment, the visible radiation is absorbed by a thin photoconductive layer in uncovered portions of the photoconductor, which uncovered portions transport the absorbed heat to the conductive, magnetizable layer which thermoremanently erases magnetic transition in the magnetizable layer. The magnetizable layer in both embodiments is thereby provided with a magnetic latent image corresponding to the electrostatic latent image.
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Goodrow John L.
Kittle John E.
Xerox Corporation
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