Apparatus for pulling single crystals from melt

Details Apparatus for pulling single crystals from melt Apparatus for pulling single crystals from melt

1978-01-03

1980-02-26

Emery, Stephen J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

156617SP, 156618, 156DIG98, B01J 1718

Patent

active

041906306

ABSTRACT:
An apparatus is designed for pulling oriented large-size single crystals from melt.
The apparatus comprises a hollow rod having a seed crystal holder. The rod drive comprises a drive shaft mounted in the rod coaxially therewith, the rod and the drive shaft being in engagement for combined rotation and for reciprocations of the rod together with a carriage axially along the drive shaft.

REFERENCES:
patent: 2975036 (1961-03-01), Taylor
patent: 3094006 (1963-06-01), Hamilton
patent: 3511609 (1970-05-01), Kato
patent: 3795488 (1974-03-01), Oliver
patent: 3865554 (1975-02-01), Wenckus
patent: 3966416 (1976-06-01), Tranchart
Lehovec et al., The Rev. of Sci. Instuc., vol. 24, #8, Aug., 1953, pp. 6555.
Whipps, J. of Cryst. Growth, vol. 12, #2, 1972, pp. 120-124.
Bardsley et al., J. of Cryst. Growth, vol. 16, 1972, pp. 277-279.
Gremmelmaier, Czochralski Techique (about 1962), pp. 254 to 265.

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