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System and method for liquid silicon containment

United States Patent

June 3, 2014
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
This invention relates to a system and a method for liquid silicon containment, such as during the casting of high purity silicon used in solar cells or solar modules. The containment apparatus includes a shielding ember adapted to prevent breaching molten silicon from contacting structural elements or cooling elements of a casting device, and a volume adapted to hold a quantity of breaching molten silicon with the volume formed by a bottom and one or more sides.
Cliber; James A. (Emmitsburg, MD), Clark; Roger F. (Knoxville, MD), Stoddard; Nathan G. (Gettysburg, PA), Von Dollen; Paul (Frederick, MD)
AMG IdealCast Solar Corporation (Wayne, PA)
13/ 854,256
April 1, 2013
This invention was made with U.S. Government support under Cooperative Agreement No.: DE-FC36-07GO17049 under prime contract with the National Renewable Energy Laboratory awarded by the Department of Energy. The Government has certain rights in this invention.