Method for vapor growing crystals

Details Method for vapor growing crystals Method for vapor growing crystals

1974-11-25

1976-08-03

Wolk, Morris O.

Chemistry: physical processes

Physical processes

Sublimation

23273SP, 23305R, 156611, 156624, 423 89, 423508, B01D 902, B01J 1730

Patent

active

039726894

ABSTRACT:
A method and a device for vapor growing crystals. The crystals are grown in an evacuated ampoule from a liquified sample source material, such that the source material is separated from the growing crystal by one or more capillaries or the like which provide the only pathway between the sample source and the growing crystal. There is a temperature gradient between the sample source and the growing crystal such that the growing crystal is at a lower temperature than the sample source.

REFERENCES:
patent: 2947613 (1960-08-01), Reynolds et al.
patent: 3200019 (1965-08-01), Scott, Jr. et al.
patent: 3231337 (1966-01-01), Barkemeyer et al.
patent: 3353037 (1967-11-01), Jester et al.
patent: 3690846 (1972-09-01), Akai et al.
patent: 3694166 (1972-09-01), Kyle
patent: 3704103 (1972-11-01), Barta
patent: 3725008 (1973-04-01), Mikulyak
patent: 3796545 (1974-03-01), Liner

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