CRUCIBLE FOR PRODUCING COMPOUND CRYSTAL, APPARATUS FOR PRODUCING COMPOUND CRYSTAL, AND METHOD FOR PRODUCING COMPOUND CRYSTAL USING CRUCIBLE

A crucible for use in producing a compound crystal in which a pre-treated product is made by melting a powdery or granular compound raw material and then cooling and solidifying it in a pre-treatment furnace, and the compound crystal is grown by melting the pre-treated product and then cooling and s...

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Bibliographische Detailangaben
1. Verfasser:	SUGISAKI HIDENORI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	A crucible for use in producing a compound crystal in which a pre-treated product is made by melting a powdery or granular compound raw material and then cooling and solidifying it in a pre-treatment furnace, and the compound crystal is grown by melting the pre-treated product and then cooling and solidifying it in a crystal growing furnace, the crucible comprising: a first member having a bottom portion and a cylindrical portion; and a hollow cylindrical second member that is capable to be connected to the cylindrical portion and to be separated therefrom, wherein: in a state in which the first member and the second member are connected together, a large capacity crucible for manufacture of the pre-treated product is formed; and in a state in which the first member and the second member are separated from one another, a small capacity crucible for crystal growth is formed.