Method of refining Si
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United States of America Patent
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Feb 16, 2010
Grant Date -
Jun 19, 2008
app pub date -
Feb 9, 2006
filing date -
Feb 9, 2005
priority date (Note) -
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Abstract
and an alkali oxide or alkali carbonate as a slag material into molten Si to form a slag during which adding one or more types of materials among materials the same as the reaction vessel material used or ingredients included in the reaction vessel material into the slag so as to remove the impurities in the molten Si.
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