Process flow and pellicle type for 157 nm mask making

A method for forming a photomask and pellicle suitable for use in photolithography with incident electromagnetic radiation in a wavelength range from above 250 nm to below 150 nm. The opaque regions of the photomask are formed directly within a transparent F-doped quartz layer by either gallium ion...

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Hauptverfasser:	TZU SAN-DE, YEN ANTHONY, CHANG CHUNG HSING, HSIEH CHEN-HAO
Format:	Patent
Sprache:	eng
Schlagworte:	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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creator	TZU SAN-DE YEN ANTHONY CHANG CHUNG HSING HSIEH CHEN-HAO
description	A method for forming a photomask and pellicle suitable for use in photolithography with incident electromagnetic radiation in a wavelength range from above 250 nm to below 150 nm. The opaque regions of the photomask are formed directly within a transparent F-doped quartz layer by either gallium ion staining using a focused ion beam (FIB) or by deposition of carbon atoms within trenches formed in the transparent layer, said carbon atom deposition being a result of the interaction of a FIB with styrene molecules. An alignment boundary formed on the resulting mask allows a hard pellicle to be fit directly over it so as to avoid warping.
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subjects	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
title	Process flow and pellicle type for 157 nm mask making
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