Reusable crucible for silicon ingot growth
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United States of America Patent
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Issued Date -
Oct 28, 2004
app pub date -
Apr 25, 2003
filing date -
Apr 25, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A silicon nitride crucible is coated with a crucible release coating for use in directional solidification of multicrystalline silicon ingots. The crucible preferably includes reaction bonded silicon nitride crucible. After removing the silicon ingot, the release coating is easily removed and the crucible can be repeatedly recoated and reused.
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