Multiple layer migration imaging system

Details Multiple layer migration imaging system Multiple layer migration imaging system

1972-11-24

1976-06-29

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

96 11, 96 15, 96 18, 96 27R, 250315R, 346 74P, 346 74ES, 427145, 427161, G03G 1304, G03G 1306, G03G 1322

Patent

active

039664651

ABSTRACT:
Images are formed with imaging members comprising one or more migration layers and a softenable layer which may be a circulation layer. An electrical latent image is created on the member with electrostatic charge having a density sufficient to cause migration of the marking material from the migration layer through the migration layer -- softenable layer interface and into the softenable layer. When the migration layer and softenable layer comprise materials sufficiently dissimilar so as to retard or prevent penetration, the softenable layer is a circulation layer, the circulation of which enables penetration of the interface by marking material. In a multiple migration layer member, the migrated marking particles have their relative positions inverted.

REFERENCES:
patent: 3121006 (1964-02-01), Middleton et al.
patent: 3542545 (1970-11-01), Goffe
patent: 3556781 (1971-01-01), Levy et al.
patent: 3801314 (1974-04-01), Goffe

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