Apparatus for making a single crystal

Details Apparatus for making a single crystal Apparatus for making a single crystal

1980-05-21

1982-01-12

Garris, Bradley

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

156608, 156617SP, 422249, C30B 1524, C30B 1534, C30B 3500

Patent

active

043104924

ABSTRACT:
An apparatus for making a single crystal which includes a sealed vessel, a crucible received in the sealed vessel to hold a molten liquid and a floating member having an opening for defining the cross sectional outline of a single crystal while being grown and floating on the molten liquid. The floating member is made from a sintered body consisting essentially of at least one of the oxides of yttrium and the lanthanum series elements, aluminum oxide, aluminum nitride and silicon nitride each in a prescribed amount.

REFERENCES:
patent: 3969125 (1976-07-01), Komeya et al.
patent: 4196171 (1980-04-01), Watanabe et al.
patent: 4230494 (1980-10-01), Nakamura et al.

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