Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 14, 2011
Patent Application Number
12244839
Date Filed
October 3, 2008
Patent Primary Examiner
Patent abstract
Embodiments of the present invention relate to a process for obtaining silicon crystals from silicon. The method includes contacting silicon powder with a solvent metal to provide a mixture containing silicon, melting the silicon under submersion to provide a first molten liquid, contacting the first molten liquid with a first gas to provide dross and a second molten liquid, separating the dross and the second molten liquid, cooling the second molten liquid to form first silicon crystals and a first mother liquid and separating the first silicon crystals and the first mother liquid.
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