Crucible for the treatment of molten silicon
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United States of America Patent
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Nov 16, 2010
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app pub date -
Jan 12, 2007
filing date -
Jan 12, 2006
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Abstract
A crucible for the treatment of molten silicon includes a basic body with a bottom surface and lateral walls defining an inner volume. The basic body comprises at least 65% by weight of silicon carbide, and from 12 to 30% by weight of a constituent selected from silicon oxide or nitride. Moreover, the basic body comprises at least one silicon oxide and/or nitride coating, at least on the surfaces defining the inner volume of the crucible.
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