FR751051A - Couches <<tramées>> avec images à l'argent ou analogues - Google Patents

Couches <<tramées>> avec images à l'argent ou analogues

Info

Publication number
FR751051A
FR751051A FR751051DA FR751051A FR 751051 A FR751051 A FR 751051A FR 751051D A FR751051D A FR 751051DA FR 751051 A FR751051 A FR 751051A
Authority
FR
France
Prior art keywords
halftone
layers
silver images
silver
images
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
Other languages
English (en)
French (fr)
Inventor
Emil Eduard Eckardt
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 filed Critical
Application granted granted Critical
Publication of FR751051A publication Critical patent/FR751051A/fr
Priority claimed from US698671A external-priority patent/US2071821A/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)
  • Printing Methods (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
FR751051D 1933-01-16 1933-02-17 Couches <<tramées>> avec images à l'argent ou analogues Expired FR751051A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE415399X 1933-01-16
US698671A US2071821A (en) 1931-04-18 1933-11-18 Photographic image bearer and method of making same
US126933A US2130735A (en) 1933-01-16 1937-02-20 Method of producing a printing plate

Publications (1)

Publication Number Publication Date
FR751051A true FR751051A (fr) 1933-08-26

Family

ID=32045516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR751051D Expired FR751051A (fr) 1933-01-16 1933-02-17 Couches <<tramées>> avec images à l'argent ou analogues

Country Status (5)

Country Link
US (1) US2130735A (en:Method)
BE (1) BE394468A (en:Method)
DK (1) DK51780C (en:Method)
FR (1) FR751051A (en:Method)
GB (1) GB415399A (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2977228A (en) * 1957-12-20 1961-03-28 Sperry Rand Corp Method of making three dimensional models
US3655381A (en) * 1969-04-24 1972-04-11 Eastman Kodak Co Process for the production of integrally formed, random dot photographic images
US4241153A (en) * 1977-10-28 1980-12-23 Ab Bates A/S Process for making color separation negatives and positives for use in multi-color printing
CA1327889C (en) * 1988-03-01 1994-03-22 Henning Joergensen Trap
FR2722584B1 (fr) * 1994-07-13 1996-10-31 Nouel Jean Marie Utilisation du tramage a modulation de frequence pour alleger en offset les surfaces imprimantes

Also Published As

Publication number Publication date
DK51780C (da) 1936-06-22
BE394468A (en:Method)
US2130735A (en) 1938-09-20
GB415399A (en) 1934-08-20

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