Method and apparatus for growing high perfection quartz

Details Method and apparatus for growing high perfection quartz Method and apparatus for growing high perfection quartz

1987-07-16

1989-02-07

Terapane, John F.

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Crystallizer

156623Q, C30B 3500

Patent

active

H00005800

ABSTRACT:
A method and apparatus for hydrothermal growing of high perfection quartz by continuously filtering contaminant particles in a separate filter vessel. The filter vessel is attached to the autoclave in which the quartz is grown. Mineralizer is continuously circulated through the filter vessel during the growth process to remove acmite and other contaminants which contribute to etch imperfections and inclusions in the resulting grown quartz.

REFERENCES:
patent: 2675303 (1954-04-01), Sobek et al.
patent: 3394081 (1968-07-01), Ballman et al.
Gilman, J., "The Art and Science of Growing Crystals", Wiley and Sons Inc., 963, pp. 231-238.
Brice, J., "The Growth of Crystals from Liquids", North-Holland Pub. Co., 1973, pp. 33, 39-40, 297-300.
Pamplin, B., "Crystal Growth", 2nd Ed., Pergamon Press, 1980, pp. 463-466.
"Woldman's Engineering Alloys," ed. R. C. Gibbons, sixth ed, Amer. Society for Metals, Metals Park, Ohio 44073, 1979, pp. 745-748, 1333-1334, 1439, 1440.

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