GB385808A - A process of direct photographic production of copy in full tone from relief printing formes - Google Patents
A process of direct photographic production of copy in full tone from relief printing formesInfo
- Publication number
- GB385808A GB385808A GB9260/32A GB926032A GB385808A GB 385808 A GB385808 A GB 385808A GB 9260/32 A GB9260/32 A GB 9260/32A GB 926032 A GB926032 A GB 926032A GB 385808 A GB385808 A GB 385808A
- Authority
- GB
- United Kingdom
- Prior art keywords
- developed
- printing
- copy
- photographed
- colour
- 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
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
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/90—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof prepared by montage processes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Abstract
385,808. Photo-mechanical printing- surfaces. BELCOLOR GES., 31, Neuenburger Strasse, Berlin. March 31, 1932, No. 9260. Convention date, April 1, 1931. [Class 98 (ii).] A direct photographic full - tone copy is obtained from letterpress and/or block printing formes by covering by spraying the complete upper surface of the forme with a colour which is as actinically active or inert as possible, clearing the printing portion of the surface and coating the cleared surface by rolling thereon a colour having opposite actinic properties, and photographing. To obtain full contact, the developed negative may be treated by a known etching process. In an example, a bookprinting composition is sprayed with thin black pyroxylin, the printing parts are cleared and rolled with a good white paint. The prepared composition is either (1) photographed on to a film, through the support, the film being developed with pyrocatechin without sulphite and etched with warm water followed by further development or treatment with sodium sulphide; or (2) photographed on to bromide paper which is developed with a non-hardening developer, bleached with acidified peroxide of hydrogen solution, re-exposed and re-developed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE385808X | 1931-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB385808A true GB385808A (en) | 1933-01-05 |
Family
ID=6370872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9260/32A Expired GB385808A (en) | 1931-04-01 | 1932-03-31 | A process of direct photographic production of copy in full tone from relief printing formes |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1928181A (en) |
| BE (1) | BE387500A (en) |
| GB (1) | GB385808A (en) |
| NL (1) | NL33194C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2609293A (en) * | 1948-12-02 | 1952-09-02 | George L Morrison | Method of photographing printing forms |
-
0
- BE BE387500D patent/BE387500A/xx unknown
- NL NL33194D patent/NL33194C/xx active
-
1932
- 1932-03-24 US US600993A patent/US1928181A/en not_active Expired - Lifetime
- 1932-03-31 GB GB9260/32A patent/GB385808A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1928181A (en) | 1933-09-26 |
| NL33194C (en) | |
| BE387500A (en) |
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