C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 33/037 (2006.01)
Patent
CA 2689603
A method of solidifying metallic silicon, characterized by monodirectionally solidifying a metallic silicon of 800 ppm or less iron concentration. Any metal impurity components of the metallic silicon can be effectively removed with reduced cost through shortened steps.
L'invention concerne un procédé de solidification de silicium métallique, caractérisé par la solidification monodirectionnelle d'un silicium métallique ayant une concentration en fer inférieure ou égale à 800 ppm. Tout composant de type impureté métallique du silicium métallique peut être efficacement enlevé avec un coût réduit en passant par des étapes raccourcies.
Hatayama Kazuhisa
Yamada Motoyuki
Shin-Etsu Chemical Co. Ltd.
Smart & Biggar
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