Temperature field design, process analys
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C. H. Xu; M. F. Zhang; S. H. Meng; J. C. Han; G. G. Wang; H. B. Zuo
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Article
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2007
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John Wiley and Sons
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English
β 255 KB
π 1 views
## Abstract In this paper, the relationship between quality of sapphire crystal and growing parameters of SAPMAC (Sapphire growth technique with microβpulling and shoulderβexpanding at cooled center) method was discussed. Optimized temperature distribution and technique control were proposed by the