C - Chemistry – Metallurgy – 30 – B
Patent
C - Chemistry, Metallurgy
30
B
148/1.2
C30B 15/00 (2006.01) C30B 15/14 (2006.01) C30B 15/24 (2006.01)
Patent
CA 1279239
TITLE OF THE INVENTION A process of pulling a crystal ABSTRACT OF THE DISCLOSURE In a process for pulling a crystal such as Si, Ge, GaAs, InP, GaP, InAs, AlAs, CdTe, CdSe, ZnTe, HgTe, MnTe, Gd3Ga5O12, Bi12SiO20 and LiNbO3 from a raw material melt within a baffle plate whose bore diameter is gradually increased upward and which is arranged in such a manner that the melt inside and outside the baffle plate is in communication with each other through the small opening part at the end thereof, the baffle plate is moved relatively to the surface of the melt so as to increase the diameter of the melt surface inside the baffle plate with the increase of the diameter of the pulled crystal at the solid-liquid interface.
516394
Kotani Toshihiro
Tada Kohji
Riches Mckenzie & Herbert Llp
Sumitomo Electric Industries Ltd.
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