Method for solid-state single crystal growth
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United States of America Patent
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Jun 19, 2012
Grant Date -
Aug 27, 2009
app pub date -
Feb 19, 2009
filing date -
Oct 11, 2002
priority date (Note) -
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Abstract
By controlling the average size of matrix grains of polycrystalline bodies to more than a critical size at which an abnormal, exaggerated or discontinuous grain growth ends, and less than twice the critical size, large single crystals enough for practical use may be made even without occurring abnormal grain growth in polycrystalline bodies only through a heat treatment process without using a melting process and a special apparatus, thereby allowing the mass production of the large single crystals at low costs with high reproduction possibility.
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