Method and apparatus for improving the efficiency of purification and deposition of polycrystalline silicon

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United States of America Patent

PATENT NO 7820126
APP PUB NO 20080044337A1
SERIAL NO

11893980

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Abstract

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, in a continuous fractional distillation column, facilitated by an iodine reflux; (5) separation and recovery of very fine solid particles including impurity iodides and elemental silicon in a liquid mixture downstream of a fractional distillation column; (6) recovery of input iodine from the oxidation of both solid and liquid iodide impurity waste streams from the process.

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Patent Owner(s)

Patent OwnerAddress
QUIXOTIC SYSTEMS INC90 BEDFORD STREET NEW YORK NY 10014

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fallavollita, John Allan Edmonton, CA 6 125

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