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专利名称：Vitreous silica crucible and method of
manufacturing silicon ingot
发明人：Sudo, Toshiaki,Kishi, Hiroshi申请号：EP11172874.7申请日：20110706公开号：EP2410080B1公开日：20160608
摘要：The present invention provides a vitreous silica crucible which can suppressbuckling and sidewall lowering of the crucible in multi-pulling. According to the presentinvention, provided is a vitreous silica crucible for pulling a silicon single crystal,comprising a mineralizer on an inner surface of the crucible, wherein the mineralizercontains 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 is1.0×10 to 1.0×10 atoms/cm.
申请人：JAPAN SUPER QUARTZ CORP
地址：JP
国籍：JP
代理机构：Gulde & Partner
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