Device for Fabricating a Ribbon of Silicon or Other Crystalline Materials and Method of Fabrication
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United States of America Patent
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Issued Date -
Jun 4, 2009
app pub date -
Oct 19, 2006
filing date -
Oct 26, 2005
priority date (Note) -
Abandoned
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Abstract
The device comprises a crucible (1) having a bottom (2) and side walls (3). The crucible (1) comprises at least one lateral slit (4) arranged horizontally at a bottom part of the side walls (3). The lateral slit (4) presents a width of more than 50 mm and preferably comprised between 100 mm and 500 mm. The height (H) of the slit (4) is comprised between 50 and 1000 micrometers. The crystalline material is output from the crucible via the lateral slit (4) so as to form a crystalline ribbon (R). The method comprises a step of bringing a crystallization seed into contact with the material output via the lateral slit (4) and a horizontal displacement step of the ribbon (R).
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