FR776873A - Procédé de production de positifs directs pour la phototypographie, d'après un orignal de trait ou un orignal à demi-teintes - Google Patents

Procédé de production de positifs directs pour la phototypographie, d'après un orignal de trait ou un orignal à demi-teintes

Info

Publication number
FR776873A
FR776873A FR776873DA FR776873A FR 776873 A FR776873 A FR 776873A FR 776873D A FR776873D A FR 776873DA FR 776873 A FR776873 A FR 776873A
Authority
FR
France
Prior art keywords
solution
support
relief
production
aug
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)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR776873A publication Critical patent/FR776873A/fr
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
    • 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
    • G03F1/54—Absorbers, e.g. of opaque materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR776873D 1933-08-19 1934-08-06 Procédé de production de positifs directs pour la phototypographie, d'après un orignal de trait ou un orignal à demi-teintes Expired FR776873A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE442887X 1933-08-19

Publications (1)

Publication Number Publication Date
FR776873A true FR776873A (fr) 1935-02-06

Family

ID=6525713

Family Applications (1)

Application Number Title Priority Date Filing Date
FR776873D Expired FR776873A (fr) 1933-08-19 1934-08-06 Procédé de production de positifs directs pour la phototypographie, d'après un orignal de trait ou un orignal à demi-teintes

Country Status (3)

Country Link
BE (1) BE404596A (fr)
FR (1) FR776873A (fr)
GB (1) GB442887A (fr)

Also Published As

Publication number Publication date
GB442887A (en) 1936-02-17
BE404596A (fr)

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