Oxide sintered material and method of manufacturing the same, sputtering target, and method of manufacturing semiconductor device

There are provided an oxide sintered material containing an In2O3 crystal phase, a Zn4In2O7 crystal phase and a ZnWO4 crystal phase, and a method of producing the oxide sintered material. The method includes forming the oxide sintered material by sintering a molded body containing In, W and Zn, and...

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Bibliographische Detailangaben
Hauptverfasser:	Awata, Hideaki, Watatani, Kenichi, Miyanaga, Miki
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS 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 COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE 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 LIME, MAGNESIA METALLURGY REFRACTORIES SEMICONDUCTOR DEVICES SLAG SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	There are provided an oxide sintered material containing an In2O3 crystal phase, a Zn4In2O7 crystal phase and a ZnWO4 crystal phase, and a method of producing the oxide sintered material. The method includes forming the oxide sintered material by sintering a molded body containing In, W and Zn, and forming the oxide sintered material including placing the molded body at a first constant temperature selected from a temperature range of 500° C. or more and 1000° C. or less for 30 minutes or longer.