发明名称 CRUCIBLE FOR GROWING SINGLE CRYSTAL, SINGLE CRYSTAL PRODUCTION APPARATUS, AND PRODUCTION METHOD OF SINGLE CRYSTAL
摘要 PROBLEM TO BE SOLVED: To provide a crucible for growing a single crystal capable of suppressing generation of fastening between a seed crystal and the crucible during production of the single crystal.SOLUTION: There is provided a crucible for growing a single crystal used when growing the single crystal by installing a seed crystal on a bottom part in the crucible, and by solidifying a raw material melt from the seed crystal side under a temperature gradient in which the temperature is heightened gradually from the bottom part of the crucible toward the upper side. In the crucible for growing the single crystal, the internal bottom surface of the crucible has a center region including the center of the internal bottom surface of the crucible, and a recessed region comprising a groove formed along the inner periphery of the crucible.SELECTED DRAWING: Figure 5
申请公布号 JP2016147767(A) 申请公布日期 2016.08.18
申请号 JP20150024067 申请日期 2015.02.10
申请人 SUMITOMO METAL MINING CO LTD 发明人 KAJIGAYA TOMIO
分类号 C30B11/00;C30B29/20 主分类号 C30B11/00
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