SELECTIVE SPUTTERING FOR PATTERN TRANSFER

Methods of patterning conductive layer with a mask are described. The methods include low-ion-mass sputtering of the conductive layer by accelerating (e.g. helium or hydrogen containing ions) toward a substrate which includes the patterned mask and the underlying conductive layer. The sputtering pro...

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Bibliographische Detailangaben
Hauptverfasser:	JOSEPH ERIC, HOINKIS MARK, MIYAZOE HIROYUKI
Format:	Patent
Sprache:	eng
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 DISCHARGE TUBES OR DISCHARGE LAMPS 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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Beschreibung
Zusammenfassung:	Methods of patterning conductive layer with a mask are described. The methods include low-ion-mass sputtering of the conductive layer by accelerating (e.g. helium or hydrogen containing ions) toward a substrate which includes the patterned mask and the underlying conductive layer. The sputtering processes described herein selectively remove conductive layers while retaining mask material.