JPS55156947A - Lithographic plate preparation - Google Patents

Lithographic plate preparation

Info

Publication number
JPS55156947A
JPS55156947A JP6327079A JP6327079A JPS55156947A JP S55156947 A JPS55156947 A JP S55156947A JP 6327079 A JP6327079 A JP 6327079A JP 6327079 A JP6327079 A JP 6327079A JP S55156947 A JPS55156947 A JP S55156947A
Authority
JP
Japan
Prior art keywords
water
solvent
photosensitive layer
printing
silicone rubber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP6327079A
Other languages
Japanese (ja)
Other versions
JPS6333140B2 (en
Inventor
Mitsuru Suezawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP6327079A priority Critical patent/JPS55156947A/en
Publication of JPS55156947A publication Critical patent/JPS55156947A/en
Publication of JPS6333140B2 publication Critical patent/JPS6333140B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/26—Processing photosensitive materials; Apparatus therefor
    • G03F7/30—Imagewise removal using liquid means
    • G03F7/32—Liquid compositions therefor, e.g. developers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)

Abstract

PURPOSE:To facilitate reproduction of sharp fine dots, by dissolving off the printing elements of a photosensitive layer with a specified processing solution, rubbing the printing face with water or a solvent consisting mainly of water, and stripping the silicone rubber layer of the printing elements. CONSTITUTION:A photoadhesive photosensitive layer is formed on a substrate made of Al or the like and a silicone rubber layer is formed to prepare a nonaqueous lithographic plate. A positive film with dot area rates changed stepwise is closely contacted to this plate, and exposed to a light from an ultrahigh pressure mercury lamp. The photosensitive material is immersed in a solvent or 2 or more solvent mixture (a mixture of water, ether, or glycols, or the like), poor solvent for the photosensitive layer of non-printing element area (the exposed area) and good solvent for the photosensitive layer of the printing element area, and after immersion, this is taken out and allowed to be blown with air to remove the attached processing solution. Then, the plate face is rubbed with a pad penetrated by water or a solvent mixture containing 50% or more water, thus permitting the silicone rubber layer of the element area to be stripped and a lithographic plate to be obtained.
JP6327079A 1979-05-24 1979-05-24 Lithographic plate preparation Granted JPS55156947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6327079A JPS55156947A (en) 1979-05-24 1979-05-24 Lithographic plate preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6327079A JPS55156947A (en) 1979-05-24 1979-05-24 Lithographic plate preparation

Publications (2)

Publication Number Publication Date
JPS55156947A true JPS55156947A (en) 1980-12-06
JPS6333140B2 JPS6333140B2 (en) 1988-07-04

Family

ID=13224430

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6327079A Granted JPS55156947A (en) 1979-05-24 1979-05-24 Lithographic plate preparation

Country Status (1)

Country Link
JP (1) JPS55156947A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146054A (en) * 1983-02-09 1984-08-21 Toray Ind Inc Developing solution for lithographic printing plate requiring no damping water

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5170004A (en) * 1974-12-13 1976-06-17 Toray Industries Heibaninsatsubanno seizoho
JPS5353403A (en) * 1976-10-22 1978-05-15 Asahi Chemical Ind Original form for press plate and method of producing waterrfree lithographic press plate adopting same
JPS5462003A (en) * 1977-10-25 1979-05-18 Mitsumura Printing Method of anastatic printing
JPS5489805A (en) * 1977-12-27 1979-07-17 Toray Industries Makeup method of planographic printing plate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5170004A (en) * 1974-12-13 1976-06-17 Toray Industries Heibaninsatsubanno seizoho
JPS5353403A (en) * 1976-10-22 1978-05-15 Asahi Chemical Ind Original form for press plate and method of producing waterrfree lithographic press plate adopting same
JPS5462003A (en) * 1977-10-25 1979-05-18 Mitsumura Printing Method of anastatic printing
JPS5489805A (en) * 1977-12-27 1979-07-17 Toray Industries Makeup method of planographic printing plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146054A (en) * 1983-02-09 1984-08-21 Toray Ind Inc Developing solution for lithographic printing plate requiring no damping water

Also Published As

Publication number Publication date
JPS6333140B2 (en) 1988-07-04

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