Electrophotographic-magnetic duplex imaging method

Details Electrophotographic-magnetic duplex imaging method Electrophotographic-magnetic duplex imaging method

G - Physics

03

G

96/192, 96/216

G03G 5/00 (2006.01) G03G 5/04 (2006.01) G03G 5/14 (2006.01) G03G 19/00 (2006.01)

Patent

CA 1106675

ABSTRACT OF THE DISCLOSURE An electrophotgraphic 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 electro- photgraphic 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 electro- magnetic 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 poritons 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 un- covered 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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