发明名称 |
Arc discharge method, arc discharge apparatus, and fused silica crucible manufacturing apparatus |
摘要 |
An arc discharge method includes the steps of heating and melting a non-conductive object by arc discharge using a plurality of carbon electrodes in a output range of 300 to 12,000 kVA; and setting a ratio of the distance between a contact position at which the carbon electrodes come in contact with each other and a front end to the diameter of the carbon electrode during the start of the arc discharge to be in the range of 0.001 and 0.9. |
申请公布号 |
US8416833(B2) |
申请公布日期 |
2013.04.09 |
申请号 |
US20090563374 |
申请日期 |
2009.09.21 |
申请人 |
KISHI HIROSHI;FUKUI MASANORI;MORIKAWA MASAKI;JAPAN SUPER QUARTZ CORPORATION |
发明人 |
KISHI HIROSHI;FUKUI MASANORI;MORIKAWA MASAKI |
分类号 |
C03B5/027;C03B19/01;C03B19/06 |
主分类号 |
C03B5/027 |
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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