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Title:
LITHOGRAPHIC PRINTING PLATE ORIGINAL PLATE, METHOD FOR FABRICATING LITHOGRAPHIC PRINTING PLATE, AND LITHOGRAPHIC PRINTING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/044566
Kind Code:
A1
Abstract:
A lithographic printing plate original plate, a method for manufacturing the same, and a lithographic printing method using the lithographic printing plate original plate, lithographic printing plate original plate having an image recording layer as the outermost surface layer thereof on a support, the image recording layer including a hydrophilic polymer, cutting by an Ar gas cluster ion beam method being performed toward the support from the surface of the image recording layer, the ion intensity derived from the hydrophilic polymer as measured by time-of-flight secondary ion mass spectrometry having a maximum value of I1, the ratio d0/d1 of the thickness d0 of the image recording layer to the depth d1 from the outermost layer at which the value I1 is obtained being 2.0 or greater, and the ratio I1/I0 of the value I1 to the ion intensity I0 derived from the hydrophilic polymer at the depth d0 from the outermost layer being 1.5 or greater.

Inventors:
ARAKI KENJIRO (JP)
ISHIKAWA SHIZUKA (JP)
MURAKAMI TAIRA (JP)
Application Number:
PCT/JP2018/030704
Publication Date:
March 07, 2019
Filing Date:
August 20, 2018
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
B41N1/14; G03F7/00; G03F7/004; G03F7/028; G03F7/032
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See also references of EP 3656575A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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