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Methods Apparatus for Manufacturing Geometric Multi-Crystalline Cast Materials

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
Methods are provided for casting one or more of a semi-conductor, an oxide, and an intermetallic material. With such methods, a cast body of a geometrically ordered multi-crystalline form of the one or more of a semiconductor, an oxide, and an intermetallic material may be formed that is free or substantially free of radially-distributed impurities and defects and having at least two dimensions that are each at least about 10 cm.
Stoddard, Nathan G. (Gettysburg, PA)
Advanced Metallurgical Group Idealcast Solar Corp. (Wayne PA)
14/ 054,867
October 16, 2013
[0002] This invention was made with U.S. Government support under National Renewable Energy Laboratory (NREL) Subcontract No. ZDO-2-30628-03 under Department of Energy (DOE) Contract No. DE-AC36-98G010337, awarded by DOE. The U.S. Government has certain rights in this invention.