GB921771A - Materials for use in half-tone reproductions - Google Patents

Materials for use in half-tone reproductions

Info

Publication number
GB921771A
GB921771A GB8142/59A GB814259A GB921771A GB 921771 A GB921771 A GB 921771A GB 8142/59 A GB8142/59 A GB 8142/59A GB 814259 A GB814259 A GB 814259A GB 921771 A GB921771 A GB 921771A
Authority
GB
United Kingdom
Prior art keywords
screen
dots
mask
emulsion
tone
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
GB8142/59A
Other languages
English (en)
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.)
Kodak Ltd
Original Assignee
Kodak 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 Kodak Ltd filed Critical Kodak Ltd
Publication of GB921771A publication Critical patent/GB921771A/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
    • G03F5/00—Screening processes; Screens therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
GB8142/59A 1958-03-10 1959-03-09 Materials for use in half-tone reproductions Expired GB921771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US720255A US2987397A (en) 1958-03-10 1958-03-10 Method of prescreening of film

Publications (1)

Publication Number Publication Date
GB921771A true GB921771A (en) 1963-03-20

Family

ID=24893292

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8142/59A Expired GB921771A (en) 1958-03-10 1959-03-09 Materials for use in half-tone reproductions
GB45315/62A Expired GB921772A (en) 1958-03-10 1959-03-09 Materials for use in half-tone reproduction

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB45315/62A Expired GB921772A (en) 1958-03-10 1959-03-09 Materials for use in half-tone reproduction

Country Status (4)

Country Link
US (1) US2987397A (enExample)
BE (1) BE576498A (enExample)
FR (1) FR1228211A (enExample)
GB (2) GB921771A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE610142A (enExample) * 1960-11-14
US3345176A (en) * 1962-08-16 1967-10-03 Polaroid Corp Photographic products and process
US4187107A (en) * 1975-10-21 1980-02-05 Toppan Printing Co., Ltd. Making gravure plate with tint screen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2292313A (en) * 1940-04-19 1942-08-04 Eastman Kodak Co Halftone screen
US2789905A (en) * 1945-12-26 1957-04-23 Lucien C Austin Camera for producing screen positive
US2708626A (en) * 1952-06-04 1955-05-17 Eastman Kodak Co Photographic processes using prescreened material
GB699659A (en) * 1952-06-04 1953-11-11 Kodak Ltd Photographic material for making half-tone records
US2691580A (en) * 1953-08-27 1954-10-12 Eastman Kodak Co Increasing contrast of halftone reproductions

Also Published As

Publication number Publication date
US2987397A (en) 1961-06-06
BE576498A (enExample)
GB921772A (en) 1963-03-20
FR1228211A (fr) 1960-08-29

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