Composite photosensitive material for use in electrophotography

Details Composite photosensitive material for use in electrophotography Composite photosensitive material for use in electrophotography

1981-06-17

1985-06-04

Kittle, John

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 46, G03G 512

Patent

active

045215049

ABSTRACT:
A composite photosensitive material for use in electrophotography which comprises a conductive substrate on which there is laminated a first photoconductive layer having a sensitivity to at least a part (Light A) of the chromatic light of visible light region and a second photoconductive layer capable of transmitting said Light A as well as having a sensitivity to another chromatic light (Light B), characterized in that said photoconductive layers are each capable of holding the electric charge of a polarity opposite to each other and additionally accepting as well as retaining a surface potential enough to develop an electrostatic latent image, which is formed by said electric charge, with a toner.

REFERENCES:
patent: 2962376 (1960-11-01), Schattert
patent: 2987395 (1961-06-01), Iarvis
patent: 3172828 (1965-03-01), Shepard et al.
patent: 3775109 (1973-11-01), Ohta et al.
patent: 3992204 (1976-11-01), Taylor
patent: 4111693 (1978-09-01), Wright et al.
patent: 4250239 (1981-02-01), Sakai
patent: 4310610 (1982-01-01), Sakai

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