METHOD FOR PRODUCING A SILICON INGOT
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United States of America Patent
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Issued Date -
Jul 12, 2012
app pub date -
Jan 11, 2012
filing date -
Jan 12, 2011
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Abstract
Method for producing a silicon ingot comprising the following steps: providing a container to receive a silicon melt, providing a temperature control device to control the temperature of the silicon melt in the container, arranging raw material in the container comprising silicon and at least one hydrogen-containing additive to reduce the formation of dislocations, and control of the temperature in the container (3) for the directed solidification of the silicon melt.
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