Method and apparatus for growing crystals

Details Method and apparatus for growing crystals Method and apparatus for growing crystals

1986-10-31

1988-04-19

Pal, Asok

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

156607, 156621, 156624, 156DIG70, 156DIG72, 156DIG82, 156DIG84, 156DIG89, 156DIG92, 156DIG93, 156DIG98, 1566162, 1566163, 1566164, 422248, 1641222, B01D 900

Patent

active

047388315

ABSTRACT:
A crystal growth apparatus (10) having a heated spherical growth container (12) is filled with a crystalline material in solid or liquid form. The crystalline material is heated by resistance heating wire (58) to a predetermined temperature, whereupon the application of heat to the crystalline material is reduced and the accumulated heat is drawn off and dissipated by a seed crystal (76) attached to a rod (70) of heat conductive material, which in turn is attached to a heat dissipating member (72). This results in the formation of a single, defect-free crystal on seed crystal (76), which grows outward in a generally spherical configuration as more heat is removed.

REFERENCES:
patent: 3088853 (1963-05-01), Harper
patent: 4185076 (1980-01-01), Hatch et al.
patent: 4585511 (1986-04-01), Bult et al.
patent: 4645560 (1987-02-01), Matsumoto et al.
IBM Technical Disclosure Bulletin, vol. 22, (5), Oct. 1979, pp. 2096-2097.

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