Title:
LITHOGRAPHIC PRINTING ORIGINAL PLATE
Document Type and Number:
Japanese Patent JP2003195490
Kind Code:
A
Abstract:
To provide a lithographic printing original plate in which the proofing property can be improved without decreasing the developing property of an exposed part by using a specified compound as a visible light absorbing dye.
The lithographic printing original plate has a heat-sensitive layer containing an IR ray absorbing substance, a water-insoluble and alkali- soluble resin and a visible light absorbing dye on a supporting body. The visible light absorbing dye is a compound having an acidic group even after exposure.
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Inventors:
SERIKAWA TAKESHI
Application Number:
JP2001399638A
Publication Date:
July 09, 2003
Filing Date:
December 28, 2001
Export Citation:
Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G03F7/004; B41N1/14; G03F7/00; G03F7/039; (IPC1-7): G03F7/004; B41N1/14; G03F7/00; G03F7/039
Attorney, Agent or Firm:
Shohei Oguri (4 outside)