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Publication of DE253794CpublicationCriticalpatent/DE253794C/de
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
G03F3/00—Colour separation; Correction of tonal value
G03F3/04—Colour separation; Correction of tonal value by photographic means
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
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Photosensitive Polymer And Photoresist Processing
(AREA)
Verfahren zur Herstellung rastrierter Kopiervorlagen fuer Mehrfarbendruck, bei welchem die Teilfarbenvorlagen mit der Hand auf transparente Schichten gemalt werden
Verfahren zur direkten photomechanischen Reproduktion von Naturobjekten, Bildern u. dgl. in natuerlichen Farben, bei dem von einem einzigen Negativ Asphaltpositive hergestellt und durch Farbselektionierung in Druckplatten fuer die einzelnen Farbtoene verwandelt werden