FR779490A - Method for producing sharp contours on a phototypographic image by photography - Google Patents

Method for producing sharp contours on a phototypographic image by photography

Info

Publication number
FR779490A
FR779490A FR779490DA FR779490A FR 779490 A FR779490 A FR 779490A FR 779490D A FR779490D A FR 779490DA FR 779490 A FR779490 A FR 779490A
Authority
FR
France
Prior art keywords
exposure
produced
phototypographic
photography
image
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
French (fr)
Inventor
Ladislaus Szigeti
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 FR779490A publication Critical patent/FR779490A/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
    • 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

Abstract

428,668. Producing photo-mechanical printing-surfaces. SZIGETI, L., 94, Nyar U., Ujpest, Hungary. Oct. 5, 1934, No. 28566. [Class 98 (ii)] Lines outlining the design from the background are produced by making a negative by exposure with or without the use of an interposed screen element and by subsequent development, re-exposure of the negative with or without an interposed screen element, either without or with partial fixing and by re-developing and fixing. As shown, after the first exposure and development a negative comprises a white field 1 and a dark background 2. A pattern 3 is produced on the white field 1 by a second exposure through a screen by direct contact or by projection. After re-development a white outline 4 is produced.
FR779490D 1933-10-05 1934-10-03 Method for producing sharp contours on a phototypographic image by photography Expired FR779490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU178828X 1933-10-05

Publications (1)

Publication Number Publication Date
FR779490A true FR779490A (en) 1935-04-05

Family

ID=10277643

Family Applications (1)

Application Number Title Priority Date Filing Date
FR779490D Expired FR779490A (en) 1933-10-05 1934-10-03 Method for producing sharp contours on a phototypographic image by photography

Country Status (4)

Country Link
CH (1) CH178828A (en)
DE (1) DE650152C (en)
FR (1) FR779490A (en)
GB (1) GB428668A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618554A (en) * 1948-11-26 1952-11-18 Zieger Eugene Photographic method for producing boundary lines
US2630384A (en) * 1950-06-29 1953-03-03 Mergenthaler Linotype Gmbh Method of establishing bleed lines around designs on printing surfaces

Also Published As

Publication number Publication date
GB428668A (en) 1935-05-16
DE650152C (en) 1937-09-25
CH178828A (en) 1935-08-15

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