CPC C30B 15/14 (2013.01) [C30B 15/30 (2013.01)] | 20 Claims |
1. A temperature field device for crystal growth, comprising:
a drum;
a filler filled in the drum and configured to support a crucible;
a bottom plate mounted on a bottom of the temperature field device and covering a bottom end of the drum; and
a cover plate mounted on a top of the temperature filed device and covering a top end of the drum.
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