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METHOD FOR PREPARING LITHOGRAPHIC MASTER

IP.com Disclosure Number: IPCOM000022869D
Original Publication Date: 1976-Mar-31
Included in the Prior Art Database: 2004-Mar-27
Document File: 2 page(s) / 175K

Publishing Venue

Xerox Disclosure Journal

Abstract

Photoconductive waterless lithographic masters are provided which generate prints of improved contrast. The method comprises forming an image on a non~imaged master comprising an intermediate photoconductive layer, a conductive substrate, and an abhesive ink releasing silicone surface layer, the imaging comprising primary charging the master, selectively illuminating said master with an image pattern to effect charge migration, secondary charging said master, uniformly illuminating said master wherein a developable electrostatic latent image is formed on the exposed surface of said abhesive layer, and develop~ ing the image by deposition of marking material.

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Page 1 of 2

XEROX DISCLOSURE JOURNAL

                               Proposed Classification
~~rahicMa~~ U~S~c1~ 96/1R
Itsuro i~ndo mt. Cl. G03g
yoshihiko Yamada

Photoconductive waterless lithographic masters are provided
which generate prints of improved contrast.

The method comprises forming an image on a non~imaged
master comprising an intermediate photoconductive layer,
a conductive substrate, and an abhesive ink releasing
silicone surface layer, the imaging comprising primary
charging the master, selectively illuminating said master
with an image pattern to effect charge migration, secondary
charging said master, uniformly illuminating said master
wherein a developable electrostatic latent image is formed
on the exposed surface of said abhesive layer, and develop~
ing the image by deposition of marking material.

Volume 1 Number 3 March 1976 7

[This page contains 1 picture or other non-text object]

Page 2 of 2

B XEROX DISCLOSURE JOURNAL

Volume 1 Number 3 March 1976

[This page contains 1 picture or other non-text object]