Color electrophotographic recording element

Details Color electrophotographic recording element Color electrophotographic recording element

1980-02-20

1981-12-29

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce color reproduction

430 57, 430 64, 430 67, G03G 512, G03G 514

Patent

active

043083307

ABSTRACT:
A subtractive color electrophotographic process is disclosed for producing a multicolor print from a single exposure of a color original. The process utilizes a novel multilayer recording element containing an electrically conducting layer, an insulating layer and two or more photoconductive layers, each spectrally sensitized to a different portion of the optical spectrum. In carrying out the process, the recording element is first uniformly charged and exposed to a color original and then developed by a multistep procedure. Each step of the development procedure comprises flood exposing the recording element to radiation to which at least one of the photoconductive layers is responsive while applying toner particles having a different subtractive color characteristic and an appropriate electrical bias.

REFERENCES:
patent: 2962374 (1960-11-01), Dessauer
patent: 3410767 (1968-11-01), Shepard et al.
patent: 3679405 (1972-07-01), Makino
patent: 3801317 (1974-04-01), Tanaka et al.
patent: 3992204 (1976-11-01), Taylor

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