Near-infrared radiation sensitive photoelectrographic master and

Details Near-infrared radiation sensitive photoelectrographic master and Near-infrared radiation sensitive photoelectrographic master and

1991-07-29

1993-08-31

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Persistent internal polarization imaging

430 83, 430126, G03G 509, G03G 1322

Patent

active

052408000

ABSTRACT:
A photoelectrographic element for electrostatic imaging, containing a conductive layer and a photosensitive layer, is produced using photosensitive layer materials which form a barrier to charge injection where exposed to near-infrared radiation. As a result, exposed areas can be charged, while unexposed portions cannot. The photosensitive layer contains an organic photoconductor, a near-infrared radiation sensitizer, and, optionally, an organic binder. A method of forming images with this phctoelectrographic element is also disclosed.

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