Coating compositions
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United States of America Patent
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Nov 12, 2013
Grant Date -
Oct 4, 2012
app pub date -
May 16, 2012
filing date -
Jul 16, 2009
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Abstract
Silicon nitride coated crucibles for holding melted semiconductor material and for use in preparing multicrystalline silicon ingots by a directional solidification process; methods for coating crucibles; methods for preparing silicon ingots and wafers; compositions for coating crucibles and silicon ingots and wafers with a low oxygen content.
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