Process for fabricating diamond by supercritical electrical curr

Details Process for fabricating diamond by supercritical electrical curr Process for fabricating diamond by supercritical electrical curr

1992-07-01

1995-08-01

Breneman, R. Bruce

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

Processes of growth from liquid or supercritical state

Having moving solid-liquid-solid region

117 50, 423446, C30B 1320

Patent

active

054372437

ABSTRACT:
Human-made diamond, as well as naturally found diamond, is a transparent, superhard, crystalline, and electrically nonconductive form of carbon. In this invention, an electrical current of supercritical density alone produces the transformation of graphite to diamond. The entire graphite-to-diamond transformation requires only a few millionths of a second. Using the principles of the invention, diamond can be produced in a variety of shapes, such as loose debris, rods, fibers, bars, dust, etc. In addition to diamond, Buckminster Fuller Balls, known also as C-60 carbon fullerines, are produced using the process and apparatus of the invention.

REFERENCES:
patent: 3207582 (1965-09-01), Inoue
patent: 4563341 (1986-01-01), Flynn
patent: 4836881 (1989-06-01), Satoh et al.
patent: 5074245 (1991-12-01), Ota et al.

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