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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
G03F5/02—Screening processes; Screens therefor by projection methods
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FR346238A1904-03-221904-09-15Procédé pour l'obtention de clichés phototypographiques à demi-teintes sur cuivre, acier, pierre ou autres matières
ExpiredFR346238A
(fr)