Single crystal manufacturing apparatus

Details Single crystal manufacturing apparatus Single crystal manufacturing apparatus

1984-08-01

1986-01-21

Bernstein, Hiram H.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

C30B 1514

Patent

active

045656711

ABSTRACT:
A single crystal manufacturing apparatus has a pulling mechanism and a magnetic field generating unit. The pulling mechanism grows a single crystal by inserting a seed crystal into a melting liquid of a single crystal raw material and pulling the seed crystal from the melting liquid at a predetermined speed. The generating unit has a pair of superconductive magnets for applying a magnetic field to the melting liquid. The magnetic field applied from the magnets suppresses a thermal convection in the vicinity of the surface of the melting liquid and allows the thermal convection in the region of the melting liquid below the surface thereof.

REFERENCES:
patent: 3607139 (1971-09-01), Hanks

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