Background reduction

Details Background reduction Background reduction

1973-03-01

1976-03-16

Hix, L. T.

Photocopying

Including fiber optics

204299PE, G03G 1522

Patent

active

039443531

ABSTRACT:
Photoelectrophoretic imaging system having an additional electrode for subjecting a film of photoelectrophoretic imaging suspension to an electric field at a potential above the corona threshold of the film prior to image exposure. The effect of the electric field and resulting current causes electrophoretic deposition of the imaging particles in the imaging suspension in a uniform layer to thereby eliminate or reduce background degradation in the final image formed.

REFERENCES:
patent: 3427242 (1969-02-01), Mihajlov
patent: 3535221 (1970-10-01), Tulagin
patent: 3561864 (1971-02-01), Carreira
patent: 3601483 (1971-08-01), Carreira et al.
patent: 3634221 (1972-01-01), Tulagin et al.
patent: 3645874 (1972-02-01), Wells
patent: 3784294 (1974-01-01), Wells

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