GB315889A - Processes for producing a photogravure printing surface - Google Patents

Processes for producing a photogravure printing surface

Info

Publication number
GB315889A
GB315889A GB149128A GB149128A GB315889A GB 315889 A GB315889 A GB 315889A GB 149128 A GB149128 A GB 149128A GB 149128 A GB149128 A GB 149128A GB 315889 A GB315889 A GB 315889A
Authority
GB
United Kingdom
Prior art keywords
image
screen
printed
gelatin film
photogravure
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.)
Expired
Application number
GB149128A
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.)
RAYMOND NOYES GETCHES
Original Assignee
RAYMOND NOYES GETCHES
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
Priority to BE348101D priority Critical patent/BE348101A/xx
Application filed by RAYMOND NOYES GETCHES filed Critical RAYMOND NOYES GETCHES
Priority to GB149128A priority patent/GB315889A/en
Publication of GB315889A publication Critical patent/GB315889A/en
Expired 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
    • G03F7/004—Photosensitive materials
    • G03F7/06—Silver salts
    • G03F7/07—Silver salts used for diffusion transfer

Abstract

315,889. Getches, R. N. Jan. 16, 1928. Drawings to Specification. Photo-mechanical printing-surfaces; chemical contact printing processes.-In the preparation of an etching resist for a photogravure printing-surface, a negative silver photographic image is pressed into contact with a chemically-sensitized gelatin film whereby portions of the film are rendered insoluble to an extent depending on the amount of silver in the image. The process is applicable not only for tone pictures but also for the reproduction of pictures combined with printed line or type matter. The gelatin film is prepared by immersing a carbon tissue in a solution of bichromate of potash, potassium ferricyanide and potassium bromide, and after draining immersing it in a solution containing glacial acetic acid, hydrochloric acid and formaldehyde. The negative image may be directly produced on bromide paper, and the photogravure screen may be light-printed on the paper before or after exposure for the image. Alternatively the gelatin film, after the image is produced therein from the negative silver image, may be re-sensitized with potassium bichromate and the screen printed by light action, or the screen may be lightprinted first. The alternative procedures described are illustrated by diagrammatic drawings.
GB149128A 1928-01-16 1928-01-16 Processes for producing a photogravure printing surface Expired GB315889A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE348101D BE348101A (en) 1928-01-16
GB149128A GB315889A (en) 1928-01-16 1928-01-16 Processes for producing a photogravure printing surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB149128A GB315889A (en) 1928-01-16 1928-01-16 Processes for producing a photogravure printing surface

Publications (1)

Publication Number Publication Date
GB315889A true GB315889A (en) 1929-07-16

Family

ID=9722923

Family Applications (1)

Application Number Title Priority Date Filing Date
GB149128A Expired GB315889A (en) 1928-01-16 1928-01-16 Processes for producing a photogravure printing surface

Country Status (2)

Country Link
BE (1) BE348101A (en)
GB (1) GB315889A (en)

Also Published As

Publication number Publication date
BE348101A (en)

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