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Method for seeding of single crystal

阅读:222发布:2020-12-08

专利汇可以提供Method for seeding of single crystal专利检索,专利查询,专利分析的服务。并且PURPOSE:To enable the control of the temperature of molten liquid at the optimum level, and to prevent the failure in the seeding operation, by using a transparent seed crystal in Czochralski (CZ) process, and detecting the temperature of the molten liquid just below the crystal optically through the transparent seed crystal. CONSTITUTION:Both end faces 15, 16 of the seed crystal 13 are polished to obtain an optically transparent crystal. A transparent rod 10 is inserted in the center of the pulling shaft 14, the lower end 11 of the rod is made to contact with the end face 15 of the seed crystal 13, and the rod 10 is used as a light guide. The temperature of the molten liquid just below the seed crystal 13 is detected optically through the seed crystal 13 and the light guide. The temperature of the molten liquid 2 in the pulling of a single crystal by CZ process can be controlled to the optimum level by this process.,下面是Method for seeding of single crystal专利的具体信息内容。

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