发明名称 |
VERFAHREN ZUR HERSTELLUNG EINKRISTALLINER SILICIUMSTAEBE |
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 |
DE2548046(A1) |
申请公布日期 |
1977.04.28 |
申请号 |
DE19752548046 |
申请日期 |
1975.10.27 |
申请人 |
WACKER-CHEMITRONIC GESELLSCHAFT FUER ELEKTRONIK-GRUNDSTOFFE MBH |
发明人 |
STOCK,HORST,DIPL.-PHYS.;ELLBRUNNER,ADALBERT |
分类号 |
C01B33/02;C30B15/00;C30B15/20;C30B29/06;(IPC1-7):B01J17/18 |
主分类号 |
C01B33/02 |
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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