发明名称 PURIFICATION OF A METALLOID BY CONSUMABLE ELECTRODE VACUUM ARC REMELT PROCESS
摘要 A metalloid such as silicon in the form of a preheated solid electrode is purified by a CEVAR purification process by producing an ingot with controlled heating and cool down after the preheated electrode is melted in a CEVAR furnace system using a short CEVAR open-bottomed crucible.
申请公布号 HK1197278(A1) 申请公布日期 2015.01.09
申请号 HK20140110681 申请日期 2014.10.24
申请人 发明人 ROBERTS, RAYMOND J. J
分类号 C30B;C01B 主分类号 C30B
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