Methods of encapsulation

Methods and apparatuses suitable for encapsulation layers for memory devices at temperatures less than about 300° C. are provided herein. Methods involve introducing a reactive species by pulsing plasma while exposing a substrate to deposition reactants, and post-treating deposited encapsulation fil...

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Bibliographische Detailangaben
Hauptverfasser:	Banerji, Ananda K, Holder, Casey, van Schravendijk, Bart J, Varadarajan, Bhadri N, Singhal, Akhil, Wei, Joseph Hung-chi, McLaughlin, Kevin M
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 BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR 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 SEMICONDUCTOR DEVICES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Methods and apparatuses suitable for encapsulation layers for memory devices at temperatures less than about 300° C. are provided herein. Methods involve introducing a reactive species by pulsing plasma while exposing a substrate to deposition reactants, and post-treating deposited encapsulation films to densify and reduce hydrogen content. Post-treatment methods include periodic exposure to inert plasma without reactants and exposure to ultraviolet radiation at a substrate temperature less than about 300° C.