CH345533A - Contact grid - Google Patents

Contact grid

Info

Publication number
CH345533A
CH345533A CH345533DA CH345533A CH 345533 A CH345533 A CH 345533A CH 345533D A CH345533D A CH 345533DA CH 345533 A CH345533 A CH 345533A
Authority
CH
Switzerland
Prior art keywords
contact grid
grid
contact
Prior art date
Application number
Other languages
German (de)
Original Assignee
Herbst & Illig
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 Herbst & Illig filed Critical Herbst & Illig
Publication of CH345533A publication Critical patent/CH345533A/en

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
    • G03F5/14—Screening processes; Screens therefor by contact methods
    • G03F5/16—Screening processes; Screens therefor by contact methods using grey half-tone screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printing Methods (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
CH345533D 1955-06-23 1956-06-19 Contact grid CH345533A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEH24216A DE958529C (en) 1955-06-23 1955-06-23 Contact grid
US284491A US3258341A (en) 1955-06-23 1963-05-31 Contact screen

Publications (1)

Publication Number Publication Date
CH345533A true CH345533A (en) 1960-03-31

Family

ID=25979396

Family Applications (1)

Application Number Title Priority Date Filing Date
CH345533D CH345533A (en) 1955-06-23 1956-06-19 Contact grid

Country Status (4)

Country Link
US (1) US3258341A (en)
CH (1) CH345533A (en)
DE (1) DE958529C (en)
GB (1) GB889107A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0147488A1 (en) * 1983-12-29 1985-07-10 Agfa-Gevaert N.V. Photographic method for the production of documents

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE635095A (en) * 1962-07-17
US4114982A (en) * 1976-04-15 1978-09-19 Raymond Buckley Screens suitable for use in photo-engraving and photo-lithographic processes and in color television
CS247260B1 (en) * 1982-05-28 1986-12-18 Jan Topel Contact combined autotype network-raster
US4600666A (en) * 1983-01-12 1986-07-15 Zink Edmund S Integrated photoscreen for making a halftone reproduction printing plate from a photograph
US4834502A (en) * 1988-08-08 1989-05-30 Xerox Corporation Optical mouse pad

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE145399C (en) *
US401510A (en) * 1889-04-16 Carl august muller
DE147523C (en) *
DE293218C (en) * 1915-01-05
US1407029A (en) * 1920-10-14 1922-02-21 Hatt Joseph Arthur Henry Photoprocess screen and method of preparing same
NL21929C (en) * 1926-11-04
US1995958A (en) * 1933-03-03 1935-03-26 Photo Cast Inc Universal screen for preparing half-tones
US2292313A (en) * 1940-04-19 1942-08-04 Eastman Kodak Co Halftone screen
DE884604C (en) * 1951-04-23 1953-06-11 Heinrich Heichlinger Gravure raster

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0147488A1 (en) * 1983-12-29 1985-07-10 Agfa-Gevaert N.V. Photographic method for the production of documents

Also Published As

Publication number Publication date
GB889107A (en) 1962-02-07
DE958529C (en) 1957-02-21
US3258341A (en) 1966-06-28

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