CRUCIBLE FOR GROWING SINGLE CRYSTAL

PURPOSE:To make the crystal orientation uniform by forming a specified small hole through a partition wall provided at the bottom part of a main body in the titled crucible having the cylindrical main body part and a seed crystal housing part having a smaller diameter than that of the main body. CON...

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Bibliographische Detailangaben
1. Verfasser:	YAMAGA NORIO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY CRYSTAL GROWTH ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY 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 UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	PURPOSE:To make the crystal orientation uniform by forming a specified small hole through a partition wall provided at the bottom part of a main body in the titled crucible having the cylindrical main body part and a seed crystal housing part having a smaller diameter than that of the main body. CONSTITUTION:The crucible for growing a single crystal consists of the large- bore main body part 10, the small-bore seed crystal housing part 12 for housing a seed crystal 19 for oriented growth below the part 10, and a partition wall 16. The partition wall 16 is protruded toward the inside space at a position nearer to the main body part 10 tan to the position housing the seed crystal 19, and a hole 18 having 1-2mm diameter is formed. A crystal part without any shifts in orientation is grown above the hole 18.