DE292347C - - Google Patents

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Publication number
DE292347C
DE292347C DENDAT292347D DE292347DA DE292347C DE 292347 C DE292347 C DE 292347C DE NDAT292347 D DENDAT292347 D DE NDAT292347D DE 292347D A DE292347D A DE 292347DA DE 292347 C DE292347 C DE 292347C
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DE
Germany
Prior art keywords
color
colored
production
sides
photosensitive substance
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.)
Active
Application number
DENDAT292347D
Other languages
German (de)
Publication of DE292347C publication Critical patent/DE292347C/de
Active legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/04—Additive processes using colour screens; Materials therefor; Preparing or processing such materials
    • G03C7/06—Manufacture of colour screens
    • G03C7/10—Manufacture of colour screens with regular areas of colour, e.g. bands, lines, dots
    • G03C7/12—Manufacture of colour screens with regular areas of colour, e.g. bands, lines, dots by photo-exposure

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

PATENTSCHRIFTPATENT LETTERING

KLASSE 57b. GRUPPE 18.CLASS 57b. GROUP 18.

BERNHARD BICHTLER in CHARLOTTENBURG.BERNHARD BICHTLER in CHARLOTTENBURG.

Verfahren zur Herstellung von Mehrfarben-Doppelrastern.Process for the production of multi-color double screens.

Patentiert im Deutschen Reiche vom 26. Juli 1911 ab.Patented in the German Empire on July 26, 1911.

Das Verfahren bezweckt die Herstellung von Mehrfarben-Doppelrastern auf dünnen Trägern, welche beiderseitig kongruent sind, bei denen aber durch Beseitigung der einen Rasterschicht eine Abschwächung des Farbrasters, wie sie z. B. für die Herstellung von Farbrasteraufsichtsbildern nötig ist, erzielt werden kann.The purpose of the process is to produce multi-color double screens on thin ones Carriers that are mutually congruent, but with which by eliminating one Raster layer a weakening of the color raster, as z. B. for the production of Color halftone overhead images is necessary, can be achieved.

Zur Herstellung des Doppelrasters wird einTo produce the double grid, a

ίο möglichst dünner Träger beiderseitig mit Chromatgelatine oder einer ähnlichen lichtempfindlichen Substanz überzogen. Dieselbe kann von vornherein gefärbt sein, oder sie wird erst nach der üblichen Behandlung eingefärbt.ίο the thinnest possible carrier on both sides with chromate gelatine or a similar photosensitive substance. It can be colored from the outset, or it will colored only after the usual treatment.

Das Kopieren erfolgt in bekannter Weise unter einem für jede Farbe zu verschiebenden Deckraster, nachdem auf jede Seite des Trägers eine neue Chromatgelatineschicht aufgebracht ist.Copying is done in a known manner, with one shifting for each color Cover grid, after which a new layer of chromate gelatin has been applied to each side of the support is.

Die letzte Farbe kann man in gebrauchlicher Art herstellen, indem man die bereits vorhandenen Rasterelemente als Negativ benutzt. The last color can be made in a usable way by using the already existing grid elements are used as a negative.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Herstellung von Mehrfarben-Doppelrastern, dadurch gekennzeichnet, daß ein auf beiden Seiten mit gefärbter oder später zu färbender lichtempfindlicher Substanz überzogener dünner Träger verwendet wird, dessen beide Schichten bei jedem Kopierprozeß völlig durchbelichtet werden. Process for the production of multicolor double grids, characterized in that, that one on both sides with colored or later to be colored photosensitive Substance-coated thin carrier is used, the two layers of which are completely exposed in each copying process.
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Publications (1)

Publication Number Publication Date
DE292347C true DE292347C (en)

Family

ID=547122

Family Applications (1)

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Country Status (1)

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