发明名称 QUARTZ GLASS CRUCIBLE FOR PULLING UP SILICON SINGLE CRYSTAL AND PRODUCING METHOD THEREOF
摘要 PROBLEM TO BE SOLVED: To provide a quartz glass crucible for pulling up silicon single crystal and a producing method thereof which prevents the roughening of inside surface of silicon glass crucible during a silicon single crystal pulling up process, causes no dislocation and provides the high monocrystallinity. SOLUTION: In this quartz glass crucible for pulling up single crystal and producing method thereof, the concentration of Ca in the region of 100μm from the inside surface is made to be 2.0 ppm or less.
申请公布号 JP2002179495(A) 申请公布日期 2002.06.26
申请号 JP20000377336 申请日期 2000.12.12
申请人 TOSHIBA CERAMICS CO LTD 发明人 OBATA NAOYUKI;KIMURA TOSHIKI;MAEDA ISAO
分类号 C03B20/00;C30B15/10;C30B29/06;(IPC1-7):C30B29/06 主分类号 C03B20/00
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