Substrate support and semiconductor manufacturing apparatus

The invention aims to provide a substrate support which can restrain the influence to the protective gas around a substrate and possesses a long service life, and a semiconductor manufacturing apparatus. The substrate support supports a substrate when forming a film on a surface of the substrate by...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZEMPEI KAWAZU, AKIHITO OHNO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR 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 CRYSTAL GROWTH DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SEMICONDUCTOR DEVICES SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	The invention aims to provide a substrate support which can restrain the influence to the protective gas around a substrate and possesses a long service life, and a semiconductor manufacturing apparatus. The substrate support supports a substrate when forming a film on a surface of the substrate by chemical vapor deposition. The substrate support includes a graphite material having a recessed portion for accommodating the substrate, a multilayer film on the recessed portion and consisting of a first degassing prevention film of SiC and a sublimation prevention film of TaC or HfC stacked together, and a second degassing prevention film of SiC located on portions of the graphite material other than the recessed portion.