| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for purifying silicon enabling to efficiently removing boron being an impurity by preventing a deposit from adhering on the inner wall of a crucible. <P>SOLUTION: This method for purifying silicon comprises a first purification process in which a first flux containing silicon dioxide is added to molten silicon, and thereafter a first slag generated from the first flux is separated from the molten silicon, and a second purification process in which a second flux free from silicon dioxide is added to the molten silicon, and thereafter a second slag generated from the second flux is separated from the molten silicon. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
