JPS556353A - Engraving method of halftone gravure plate - Google Patents

Engraving method of halftone gravure plate

Info

Publication number
JPS556353A
JPS556353A JP7858578A JP7858578A JPS556353A JP S556353 A JPS556353 A JP S556353A JP 7858578 A JP7858578 A JP 7858578A JP 7858578 A JP7858578 A JP 7858578A JP S556353 A JPS556353 A JP S556353A
Authority
JP
Japan
Prior art keywords
positive
gravure plate
halftone
printed
changing
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.)
Pending
Application number
JP7858578A
Other languages
Japanese (ja)
Inventor
Katsusuke Nagano
Akihiro Nakajima
Masataka Atsumi
Yoshinobu Shimada
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co Ltd
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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP7858578A priority Critical patent/JPS556353A/en
Publication of JPS556353A publication Critical patent/JPS556353A/en
Pending 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
    • G03F5/00—Screening processes; Screens therefor
    • G03F5/20—Screening processes; Screens therefor using screens for gravure printing

Landscapes

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

Abstract

PURPOSE:To well change the tone of the printing being reproduced by changing only the density distribution without changing the wall width of the special contact screen and engraving a halftone gravure plate. CONSTITUTION:A special screen 16 of the specified wall width is printed on the emulsion layer 2 of a carbon tissue 3 to form screen exposed hardened part 17. Further when a halftone positive 6 provided with dots 7 is printed, positive exposed hardened parts 8 are formed. Next, when a diffusion sheet 9 is superposed on the positive 6 and is printed from the positive 6 side, the emulsion layer 2 of the tissue laminated with the diffusion exposed hardened parts 10 is formed. When the surface of the plate material 11 by this emulsion layer 2 is etched according to an etching level 12, the halftone gravure plate is formed. If only the concentration distribution is changed without changing the wall width of the special screen 16, only the sectional shape of the cells 19 changes without any change in the size of the mesh of the halftone gravure plate, resulting in the well changed tone of printing, thus the medium contrast may be reproduced.
JP7858578A 1978-06-30 1978-06-30 Engraving method of halftone gravure plate Pending JPS556353A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7858578A JPS556353A (en) 1978-06-30 1978-06-30 Engraving method of halftone gravure plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7858578A JPS556353A (en) 1978-06-30 1978-06-30 Engraving method of halftone gravure plate

Publications (1)

Publication Number Publication Date
JPS556353A true JPS556353A (en) 1980-01-17

Family

ID=13665978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7858578A Pending JPS556353A (en) 1978-06-30 1978-06-30 Engraving method of halftone gravure plate

Country Status (1)

Country Link
JP (1) JPS556353A (en)

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