Photosensitive medium for recording charge latent image and reco

Details Photosensitive medium for recording charge latent image and reco Photosensitive medium for recording charge latent image and reco

1992-04-14

1994-05-03

Rosasco, Steve

Radiation imagery chemistry: process, composition, or product th

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

Electrostatic image transfer

430 55, 365106, 365112, G03G 1304

Patent

active

053087240

ABSTRACT:
There is provided a photosensitive medium for recording a charge latent image, composed of a photo-conductive layer having an electrode and a protective layer at each surface thereof. There is further provided a charge latent image recording method. A photo-conductive layer and a charge holding layer, each having an electrode at a surface thereof, are arranged to face each other through a gap. A predetermined voltage is applied across the photo-conductive layer and the charge holding layer through the electrodes to cause discharge thereacross. At the time, an electro-magnetic wave corresponding to the charge latent image intended to be recorded is emitted to the photo-conductive layer. The impedance of the photo-conductive layer is thus varied to record the charge latent image on the charge holding layer. In the method, the rise time constant of the voltage applied across the electrodes is adjusted to that of the discharge or more, and the potential of the charge latent image is adjusted to a discharge starting voltage or less.

REFERENCES:
patent: 4282297 (1981-08-01), Fotland
patent: 4296478 (1981-10-01), Kiess et al.
patent: 4675265 (1987-06-01), Kazama et al.
patent: 4786971 (1988-11-01), Kaneko et al.
patent: 4859553 (1989-08-01), Jansen et al.

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