发明名称 シリカガラスルツボ、シリコンインゴットの製造方法
摘要 <p>The present invention provides a vitreous silica crucible which can suppress buckling and sidewall lowering of the crucible in multi-pulling. According to the present invention, provided is a vitreous silica crucible for pulling a silicon single crystal, comprising a mineralizer on an inner surface of the crucible, wherein the mineralizer contains at least one atoms selected from the group consisting of Ca, Sr, Ba, Ra, Ti, Zr, Cr, Mo, Fe, Co, Ni, Cu, and Ag, and the concentration of the mineralizer on the inner surface is 1.0×10 5 to 1.0×10 17 atoms/cm 2 .</p>
申请公布号 JP5610570(B2) 申请公布日期 2014.10.22
申请号 JP20100163331 申请日期 2010.07.20
申请人 发明人
分类号 C30B29/06;C03B20/00;C30B15/10 主分类号 C30B29/06
代理机构 代理人
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