Energized liquid developers for developing electrostatic images

Details Energized liquid developers for developing electrostatic images Energized liquid developers for developing electrostatic images

1976-02-09

1977-09-20

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

427 17, 252 621L, G03G 1310

Patent

active

040494462

ABSTRACT:
A method of developing electrostatic images in which a liquid developer is maintained in quiescent condition in contact with the base material carrying the electrostatic image and wherein the developer contains in separate coexistence within an insulating carrier liquid toner particles of relatively low dielectric constant and movement-inducing particles having a high dielectric constant. The presence of both sets of particles results in agitation in the liquid due to particle movement in a field by charge exchange between the high dielectric particles and the other particles to produce random agitation of the particles in the liquid and thereby high mobility of the toner particles during developing.

REFERENCES:
patent: 3078231 (1963-02-01), Metcalfe et al.
patent: 3406062 (1968-10-01), Michalchik
patent: 3766072 (1973-10-01), Metcalfe et al.
patent: 3793015 (1974-02-01), Van Engeland et al.
patent: 3811914 (1974-05-01), Saito et al.

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