Method and apparatus for crystal growth
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United States of America Patent
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May 18, 2010
Grant Date -
May 8, 2008
app pub date -
Nov 26, 2007
filing date -
Oct 18, 2002
priority date (Note) -
Expired
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Abstract
A method and apparatus for growing a crystalline or poly-crystalline body from a melt is described, wherein the melt is retained by capillary attachment to edge features of a mesa crucible. The boundary profile of the resulting melt surface results in an effect which induces a ribbon grown from the surface of the melt to grow as a flat body. Further, the size of the melt pool is substantially reduced by bringing these edges close to the ribbon, thereby reducing the materials cost and electric power cost associated with the process.
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