Device and a process for monitoring a melt for the production of crystals
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United States of America Patent
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Mar 20, 2001
Grant Date -
N/A
app pub date -
May 17, 1999
filing date -
Sep 3, 1997
priority date (Note) -
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Abstract
A device for monitoring a melt for the production of crystals. A camera is provided which images at least portions of the surface of the contents of a crucible. An evaluating device is used to evaluate the camera's images with respect to solid and liquid portions of the surface of the crucible contents.
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