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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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 filed by Oki Electric Industry Co LtdfiledCriticalOki Electric Industry Co Ltd
Priority to JP56079389ApriorityCriticalpatent/JPS57194530A/ja
Publication of JPS57194530ApublicationCriticalpatent/JPS57194530A/ja
Publication of JPS6148252B2publicationCriticalpatent/JPS6148252B2/ja
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
G03F9/70—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically for microlithography
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Exposure And Positioning Against Photoresist Photosensitive Materials
(AREA)
Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure
(AREA)
JP56079389A1981-05-271981-05-27Positioning of photomask substrate
GrantedJPS57194530A
(en)