Device for growing single crystals

Details Device for growing single crystals Device for growing single crystals

1987-03-26

1989-07-11

Doll, John

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

1566171, 1566181, 1566191, 1566204, 156DIG64, C30B 1522

Patent

active

048470520

ABSTRACT:
A device for growing single crystals comprising a pair of electromagnetic coils disposed opposed to each other in a symmetry with respect to a central axis of a crucible at an outer side of a heater, a diameter for said coils being greater than 0.8 times of a diameter for said heater and a distance between said coils being greater than 1.5 times of said diameter for said heater.

REFERENCES:
patent: 3359077 (1967-12-01), Arst
patent: 4592895 (1986-06-01), Matsutani et al.
patent: 4637854 (1987-01-01), Fukuda et al.
patent: 4659423 (1987-04-01), Kim et al.
Terashima et al., A New Magnetic-Field Applied Pulling Apparatus, Journal of Crystal Growth 63 (1983) pp. 423-425.
Solid State Science and Technology 129, Feb. 1982, pp. 427-429.

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