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LITHOGRAPHIC PRESS PLATE PROOFING WITH L.I.D. INK

IP.com Disclosure Number: IPCOM000025961D
Original Publication Date: 1989-Apr-30
Included in the Prior Art Database: 2004-Apr-04

Publishing Venue

Xerox Disclosure Journal

Abstract

A lithographic plate is charged by a corona generating device. The image areas retain the charge with the non-image areas being grounded. The charged image is then developed electrostatically with a liquid ink to form a liquid image for proofing. This liquid image is transferred onto a copy sheet for review. The lithographic plate, which was used to make the proofing sheet, can then be mounted in an offset press and used in conventional lithography.