Single crystal article

Details Single crystal article Single crystal article

1985-04-24

1987-08-04

Lacey, David L.

Chemistry of inorganic compounds

Halogen or compound thereof

Binary compound containing metal

423617, 156607, C01F 100, C30B 2940

Patent

active

046845151

ABSTRACT:
A single crystal is prepared by drawing up a single crystal by the Czochralski process and cooling it at a temperature not lower than 600.degree. C. in vacuo. In this manner a single crystal having a dislocation density of 1.5.times.10.sup.4 cm.sup.2 or less is prepared.

REFERENCES:
patent: 3623905 (1971-11-01), Akai et al.
patent: 3647389 (1972-03-01), Welner
patent: 4140570 (1979-02-01), Voltmer et al.
patent: 4141779 (1979-02-01), Hill et al.
patent: 4196171 (1980-04-01), Watanabe et al.
patent: 4528061 (1985-07-01), Miyazawa et al.

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