Method and apparatus for the manufacture of high purity silicon

Plastic and nonmetallic article shaping or treating: processes – Formation of solid particulate material directly from molten... – By extrusion spraying or gravity fall through orifice

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264 13, B29C 600

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active

045320900

ABSTRACT:
Manufacture of silicon granules from molten silicon by pouring molten silicon into a liquid body to solidify and granulate the silicon. The liquid body is substantially free of impurities which will contaminate the silicon.

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patent: 3689607 (1972-09-01), Backlund
patent: 4081500 (1978-03-01), Malcolm
patent: 4149837 (1979-04-01), Baker et al.
patent: 4168967 (1979-09-01), Sridhar et al.
patent: 4354987 (1982-10-01), Iya

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