发明名称 |
PRODUCTION DEVICE FOR SILICA GLASS CRUCIBLE AND PRODUCTION METHOD FOR SILICA GLASS CRUCIBLE |
摘要 |
<p>There are provided an apparatus and a method for manufacturing a vitreous silica crucible which can prevent the deterioration of the inner surface property in the manufacturing process of a vitreous silica crucible. The apparatus includes a mold defining an outer shape of a vitreous silica crucible, and an arc discharge unit having electrodes and a power-supply unit, wherein each of the electrodes includes a tip end directed to the mold, the other end opposite to the tip end, and a bent portion provided between the tip end and the other end.</p> |
申请公布号 |
KR20120032028(A) |
申请公布日期 |
2012.04.04 |
申请号 |
KR20127003747 |
申请日期 |
2010.08.09 |
申请人 |
JAPAN SUPER QUARTZ CORPORATION |
发明人 |
SUDO TOSHIAKI;SUZUKI ERIKO;KISHI HIROSHI;FUJITA TAKESHI |
分类号 |
C03B20/00;C30B15/10;C30B29/06 |
主分类号 |
C03B20/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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