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JPS56101896A - Manufacturing of lithographic printing block supporting body - Google Patents

Manufacturing of lithographic printing block supporting body

Info

Publication number
JPS56101896A
JPS56101896A JP341380A JP341380A JPS56101896A JP S56101896 A JPS56101896 A JP S56101896A JP 341380 A JP341380 A JP 341380A JP 341380 A JP341380 A JP 341380A JP S56101896 A JPS56101896 A JP S56101896A
Authority
JP
Japan
Prior art keywords
electrolytic etching
etching treatment
aluminum plate
configuration
oxidized film
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
JP341380A
Other languages
Japanese (ja)
Other versions
JPS647598B2 (en
Inventor
Yoshiji Kikuchi
Yoshiyuki Shirosaka
Yusaku Onose
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.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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 Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP341380A priority Critical patent/JPS56101896A/en
Publication of JPS56101896A publication Critical patent/JPS56101896A/en
Publication of JPS647598B2 publication Critical patent/JPS647598B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Printing Plates And Materials Therefor (AREA)

Abstract

PURPOSE: To improve an adhering property to a photosensitive layer by a method wherein the surface of an aluminum plate is ground mechanically after an anodizing treatment.
CONSTITUTION: After the surface of the aluminum plate is degreased and cleaned by caustic soda solution, it is treated by an electrolytic etching treatment in a solution containing 0.1W10wt% of hydrochloric acid or nitric acid with a current density of 10W100A/dm2 for 10sec to two minutes and the surface thereof is made into a complexed configuration by porositizing and oxidizing effects due to dissolution. After the electrolytic etching treatment, it is anodized in electolyte consisting of a solution containing sulphuric acid to form an oxidized film along the configuration thereof substantially on the rough surface formed by the electrolytic etching treatment. Subsquenetly, it is ground under pouring slurry or the like containing an abrasive such as water, alumina or the like to adher the photosensitive substance firmly by treating the outermost surface of the oxidized film contacting directly with the photosensitive substance.
COPYRIGHT: (C)1981,JPO&Japio
JP341380A 1980-01-16 1980-01-16 Manufacturing of lithographic printing block supporting body Granted JPS56101896A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP341380A JPS56101896A (en) 1980-01-16 1980-01-16 Manufacturing of lithographic printing block supporting body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP341380A JPS56101896A (en) 1980-01-16 1980-01-16 Manufacturing of lithographic printing block supporting body

Publications (2)

Publication Number Publication Date
JPS56101896A true JPS56101896A (en) 1981-08-14
JPS647598B2 JPS647598B2 (en) 1989-02-09

Family

ID=11556689

Family Applications (1)

Application Number Title Priority Date Filing Date
JP341380A Granted JPS56101896A (en) 1980-01-16 1980-01-16 Manufacturing of lithographic printing block supporting body

Country Status (1)

Country Link
JP (1) JPS56101896A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6068997A (en) * 1983-09-27 1985-04-19 Fuji Photo Film Co Ltd Manufacture of aluminum base for planographic printing plate
US20110056836A1 (en) * 2009-09-04 2011-03-10 Apple Inc. Anodization and Polish Surface Treatment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6068997A (en) * 1983-09-27 1985-04-19 Fuji Photo Film Co Ltd Manufacture of aluminum base for planographic printing plate
JPH0448640B2 (en) * 1983-09-27 1992-08-07 Fuji Photo Film Co Ltd
US20110056836A1 (en) * 2009-09-04 2011-03-10 Apple Inc. Anodization and Polish Surface Treatment
US20110214993A1 (en) * 2009-09-04 2011-09-08 Apple Inc. Anodization And Polish Surface Treatment
US9034166B2 (en) 2009-09-04 2015-05-19 Apple Inc. Anodization and polish surface treatment
US10392718B2 (en) * 2009-09-04 2019-08-27 Apple Inc. Anodization and polish surface treatment

Also Published As

Publication number Publication date
JPS647598B2 (en) 1989-02-09

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