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Publication date
Application filedfiledCritical
Publication of BE727728ApublicationCriticalpatent/BE727728A/xx
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
G03F5/14—Screening processes; Screens therefor by contact methods
G03F5/16—Screening processes; Screens therefor by contact methods using grey half-tone screens
