G - Physics – 03 – G
Patent
G - Physics
03
G
314/15
G03G 13/04 (2006.01) G03G 15/04 (2006.01) G03G 15/22 (2006.01)
Patent
CA 1103736
ELECTROSTATOGRAPHIC IMAGING METHOD ABSTRACT OF THE DISCLOSURE Disclosed is a method of forming a latent electro- static image on a segment of an electrostatographic photo- sensitive device which comprises a grounded conductive substrate having a layer of photoconductive material on its surface which is in turn overcoated with an insulating organic resin. The method comprises: a) applying an initial electrostatic charge of one polarity to the surface of the photosensitive device, b) advancing the segment of the photosensitive device toward a corona emitting grid which is wider than the segment selected, c) activating the grid when the trailing edge of the segment reaches the lead edge of the grid to thereby apply an electronic field of either alternating current or direct current of polarity opposite that of the polarity of the initial charge, d) exposing the segment to imagewise activating radiation in the full frame flash exposure mode while continuing to apply the electronic field thereto; e) continuing the advancement of the segment past the corona emitting grid while continuing the application of the electronic field thereto until the lead edge of the segment reaches the rear edge of the grid and then deactivating the grid; and f) forming an imagewise potential distribution across the insulating layer by uniformly exposing the segment to activating radiation. -2-
280684
Magde John M. Jr.
Vonhoene Donald C.
Sim & Mcburney
Xerox Corporation
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