Magnetographic imaging member and the method of its use

Details Magnetographic imaging member and the method of its use Magnetographic imaging member and the method of its use

1976-05-27

1978-07-18

Lucas, Jay P.

Recorders

Magnetographic

360 59, G03G 1900

Patent

active

041019040

ABSTRACT:
A magnetographic imaging member is provided which includes a photoconductive layer sandwiched between a transparent conductive substrate and an overcoating of magnetic particles dispersed in a dielectric material. A magnetic latent image is formed in the member by first producing an electrostatic latent image on the premagnetized dielectric coating and developing it with a thermal radiation reflective toner. The surface is then subjected to thermal radiation which demagnetizes the pigment in the overcoating by raising it to a temperature above its Curie point except in the areas where the developed electrostatic image reflects the heat. The latent magnetic image can be repetitively developed with magnetic toner.

REFERENCES:
patent: 2793135 (1957-05-01), Sims
patent: 3824601 (1974-07-01), Garland
patent: 3987491 (1976-10-01), Nelson
patent: 3993484 (1976-11-01), Rait et al.
patent: 4005439 (1977-01-01), Levy

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