发明名称 PROCEDIMENTO PER PRODURRE ASTE DI SILICIO MONOCRISTALLINE
摘要 A process for the production of a monocrystalline silicon rod by withdrawal from a silicon melt in a drawing chamber by means of a drawing spindle, comprises passing a stream of a protective gas, such as argon, into said chamber during the drawing operation and through a tube which surrounds the drawing spindle and the growing silicon rod, the chamber being maintained under reduced pressure.
申请公布号 IT1066265(B) 申请公布日期 1985.03.04
申请号 IT19760051216 申请日期 1976.09.10
申请人 WACKER CHEMITRONIC GESELLSCHAFT FUR ELEKTRONIK GRUNDSTOFFE MBH 发明人
分类号 C01B33/02;C30B15/00;C30B15/20;C30B29/06;(IPC1-7):C30B/ 主分类号 C01B33/02
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