SILICA-BASED LIGHT-WEIGHT EUV LITHOGRAPHY STAGES

A lithographic stage includes a platen having a top face and a bottom face and a holder for holding an optical component on the top face of the platen. The platen is made of a light-weight material such as high purity fused silica or ultra low expansion glass. The bottom face of the platen may furth...

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Bibliographic Details
Main Authors BOWDEN, BRADLEY, F, ACKERMAN, BRADFORD, G, DAVIS, CLAUDE, L., JR, HRDINA, KENNETH, E
Format Patent
LanguageEnglish
French
German
Published 09.07.2003
Edition7
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
APPARATUS SPECIALLY ADAPTED THEREFOR
BASIC ELECTRIC ELEMENTS
CINEMATOGRAPHY
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
ELECTROGRAPHY
HOLOGRAPHY
MATERIALS THEREFOR
ORIGINALS THEREFOR
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
SEMICONDUCTOR DEVICES
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Summary:A lithographic stage includes a platen having a top face and a bottom face and a holder for holding an optical component on the top face of the platen. The platen is made of a light-weight material such as high purity fused silica or ultra low expansion glass. The bottom face of the platen may further include means for connecting to a positioning device in an extreme ultraviolet lithography system.
Bibliography:Application Number: EP20010973468