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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Publication of GB1228145ApublicationCriticalpatent/GB1228145A/en
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
G03F9/00—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure
(AREA)
Process for the preparation and the checking of a photographic negative intended to be mounted on a sensitised printing cylinder and means for the application of this process
Legal Events
Date
Code
Title
Description
PS
Patent sealed
PLE
Entries relating assignments, transmissions, licences in the register of patents