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U.S. Department of Energy
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Methods and apparatus for manufacturing monocrystalline cast silicon and monocrystalline cast silicon bodies for photovoltaics

Patent ·
OSTI ID:1117701
Methods and apparatuses are provided for casting silicon for photovoltaic cells and other applications. With such methods and apparatuses, a cast body of monocrystalline silicon may be formed that is free of, or substantially free of, radially-distributed impurities and defects and having at least two dimensions that are each at least about 35 cm is provided.
Research Organization:
NREL (National Renewable Energy Laboratory (NREL), Golden, CO (United States))
Sponsoring Organization:
USDOE
Assignee:
AMG IdealCast Solar Corporation (Wayne, PA)
Patent Number(s):
8,628,614
Application Number:
13/276,700
OSTI ID:
1117701
Country of Publication:
United States
Language:
English

References (2)

Directionally solidified solar-grade silicon using carbon crucibles journal April 1979
Scanning Spectral Response Measurements of Large Grain Polysilicon Solar Cells for Process Optimization book January 1981