JIG FOR HEAT TREATMENT AND SURFACE PROTECTION FILM FORMING METHOD THEREFOR

PROBLEM TO BE SOLVED: To provide a method for forming a plurality of layers of SiC films on the surface of a jig for heat treatment or a surface protection film forming method for the jig for heat treatment which is capable of comparatively simply reducing the impurity concentration in the SiC film...

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Bibliographische Detailangaben
Hauptverfasser:	KIMURA AKIHIRO, MIZUNO MICHIHIKO
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 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:	PROBLEM TO BE SOLVED: To provide a method for forming a plurality of layers of SiC films on the surface of a jig for heat treatment or a surface protection film forming method for the jig for heat treatment which is capable of comparatively simply reducing the impurity concentration in the SiC film and especially the impurity concentration of the uppermost surface layer of the SiC film. SOLUTION: A plurality of layers of SiC films 12a-12e for protecting the surface of the jig for heat treatment are formed by a method wherein the plurality of layers of SiC films 12a-12e are formed on the substrate 11 of the jig for heat treatment through CVD (chemical vapor deposition) method employing a CVD furnace different for each one layer. COPYRIGHT: (C)2005,JPO&NCIPI