Photoimmobilized electrophoretic recording

Details Photoimmobilized electrophoretic recording Photoimmobilized electrophoretic recording

1976-03-22

1977-06-28

Sebastian, Leland A.

Photocopying

Including fiber optics

355 4, G03G 1500

Patent

active

040322262

ABSTRACT:
An electrophoretic migration imaging process, apparatus, and materials useful therein are disclosed. Electrically photosensitive particles, at least some of which bear a positive polarity electrostatic charge, are disposed between two spaced electrodes. One of the electrodes has the surface thereof adjacent to the electrically photosensitive particles bearing a uniform layer containing an amount of a dark charge exchange material sufficient to provide a net change in charge polarity with at least a portion of said positive polarity particles upon electrical contact therewith in the presence of an electric field and in the absence of activating radiation. Imaging is accomplished by

REFERENCES:
patent: 3689400 (1972-09-01), Ota et al.
patent: 3804620 (1974-04-01), Wells
patent: 3859576 (1975-01-01), Sheckler et al.
patent: 3920330 (1975-11-01), Wells et al.

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