Pattern-forming process

This invention relates to a pattern-forming process using a radiation sensitive chalcogenide layer composed of a laminate of amorphous chalcogenide layer (2) and thin silver layer (3), and discloses a pattern-forming process characterized by etching out an amorphous chalcogenide layer (22) not doped...

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Bibliographische Detailangaben
Hauptverfasser:	MIZUSHIMA, YOSHIHIKO, YOSHIKAWA, AKIRA, OCHI, OSAMU, HISAKI, TOMOKO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR AUXILIARY PROCESSES IN PHOTOGRAPHY BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY CINEMATOGRAPHY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MATERIALS THEREFOR METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE ORIGINALS THEREFOR PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	This invention relates to a pattern-forming process using a radiation sensitive chalcogenide layer composed of a laminate of amorphous chalcogenide layer (2) and thin silver layer (3), and discloses a pattern-forming process characterized by etching out an amorphous chalcogenide layer (22) not doped with silver at an unexposed area under an irradiation of a light (6) or an accelerated corpuscular beam by a plasma etching with a fluorine-series gas and also a pattern-forming process wherein silver-doped amorphous chalcogenide layer (21) left on the substrate according to a given pattern by the above process is used as an etching mask and then the substrate layer (1c) is etched out by a plasma etching to form the given pattern on the substrate.