Manufacture of diamond products

Details Manufacture of diamond products Manufacture of diamond products

1976-07-15

1978-04-04

Meros, Edward J.

Special receptacle or package

With article content

423446, C01B 3106, B65D 8500

Patent

active

040821854

ABSTRACT:
Diamond crystals of controlled impurity content and/or impurity distribution and reaction vessel configurations for the production thereof are described. Combinations of "dopant", "getter" and "compensator" materials are employed to produce gem stones of unusual color patterns, or zoned coloration, using specific reaction vessel configurations.

REFERENCES:
patent: 3142595 (1964-07-01), Wentorf
patent: 3148161 (1964-09-01), Wentorf et al.
patent: 3268457 (1966-08-01), Giardini et al.
patent: 3297407 (1967-01-01), Wentorf
patent: 3310501 (1967-03-01), Darrow et al.
patent: 3317035 (1967-05-01), Cannon
Armagnac, "Popular Science," vol. 197, No. 3, 1970, pp. 82, 83, 134 & 137.
"Jewlers' Circular-Keystone," July 1970, pp. 186-189.

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