发明名称 FREMGANGSMADE TIL FREMSTILLING AF ENKRYSTALLINSKE SILICIUMSTAVE
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 DK403776(A) 申请公布日期 1977.04.28
申请号 DK19760004037 申请日期 1976.09.08
申请人 WACKER-CHEMITRONIC GESELLSCHAFT FYR EL-GRUNDSTOFFE MBH 发明人 STOCK H;ELLBRUNNER A
分类号 C01B33/02;C30B15/00;C30B15/20;C30B29/06;(IPC1-7):B01J/ 主分类号 C01B33/02
代理机构 代理人
主权项
地址