Apparatus for producing and casting liquid silicon

Details Apparatus for producing and casting liquid silicon Apparatus for producing and casting liquid silicon

1979-09-14

1981-06-09

Cuchlinski, Jr., William A.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

422241, B01J 1902

Patent

active

042724880

ABSTRACT:
The method and apparatus for producing liquid silicon of high purity and for casting silicon. Hydrogen and a hydrogenated silane in gaseous state are mixed, preferably with a source of a small amount of oxygen, in a heated chamber producing the liquid silicon, with the exhaust gases bubbling out of the melt under a baffle. The chamber for the melt of liquid silicon preferably is lined with silicon dioxide. The liquid silicon may be used in making high purity vitreous silica and may be used in making castings of silicon. In making castings, the liquid silicon is accumulated in a second chamber and is periodically drawn from the second chamber into a third chamber which contains the mold for the casting.

REFERENCES:
patent: 2904404 (1959-09-01), Ellis, Jr.
patent: 2944874 (1960-07-01), Irvine, Jr.
patent: 3016291 (1962-01-01), Aries
patent: 3733387 (1973-05-01), Kugler et al.
patent: 4102985 (1978-07-01), Harvey

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