Diamond manufacturing method

Details Diamond manufacturing method Diamond manufacturing method

2007-09-04

2007-09-04

Kunemund, Robert (Department: 1722)

Single-crystal, oriented-crystal, and epitaxy growth processes;

Processes of growth from liquid or supercritical state

Havin growth from molten state

C117S073000, C117S074000, C117S075000, C117S076000, C117S929000, C423S446000

Reexamination Certificate

active

11150071

ABSTRACT:
In a diamond manufacturing method, a melt of carbon and blue kimberlite is contained in a vessel at 1000° C. The vessel is pressurized by a gas of predominantly hydrogen to 200 atmospheres. A crystallization seed is drawn from the melt to generate a piece of diamond material.

REFERENCES:
patent: 4287168 (1981-09-01), Wentorf et al.
patent: 4617181 (1986-10-01), Yazu et al.

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