Plasma etching using xenon

A process for selectively etching a substrate (20), having grain boundaries and a resist material thereon, is described. The substrate (20) is placed into an etch zone (54) and a process gas comprising a primary etchant, a secondary etchant, and xenon is introduced into the etch zone. A plasma is ge...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHIEH, BRIAN, MAK, STEVEN, RHOADES, CHARLES STEPHEN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY 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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL 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 SEMICONDUCTOR DEVICES
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