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EDOUARD LEON PONSIN
Original Assignee
EDOUARD LEON PONSIN
Filing date
Publication date
Application filed by EDOUARD LEON PONSINfiledCriticalEDOUARD LEON PONSIN
Application grantedgrantedCritical
Publication of FR409785ApublicationCriticalpatent/FR409785A/fr
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
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR409785A1909-11-29Procédé de photogravure, au moyen de clichés ordinaires, par trame à damiers photographique
ExpiredFR409785A
(fr)