Continuous melt replenishment for crystal growth
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United States of America Patent
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Jul 18, 2000
Grant Date -
N/A
app pub date -
May 3, 1999
filing date -
May 3, 1999
priority date (Note) -
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Abstract
The invention features a method of continuous crystalline growth. A granular source material is introduced into a hopper. A volume of the granular source material exiting the hopper is disposed on a translationally moving belt. The volume of the granular source material forms an angle of repose with the moving belt. The granular source material disposed on the moving belt is continuously fed into a crucible comprising a melt of the granular source material at a rate based on the angle of repose, the speed of the belt, and the size of the opening of the hopper. A crystalline ribbon is continuously grown by solidifying the melt.
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