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公开(公告)号：US3644151A
公开(公告)日：1972-02-22
申请号：US3644151D
申请日：1970-03-13
Applicant: SLEMENS AG
Inventor： KELLER WOLFGANG
CPC classification number: H05B6/06 , C30B13/20 , Y10T117/1088
Abstract: Method of crucible-free zone melting a crystalline rod, such as a semiconductor rod especially, wherein the rod is surrounded by an induction heating coil energizable so as to form a molten zone in the rod, includes passing the molten zone axially through the rod, and simultaneously maintaining the crystalline rod and the induction heating coil at the same electric potential during passage of the molten zone through the rod; and device for carrying out the method.
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