Diamond synthesis

Details Diamond synthesis Diamond synthesis

1994-03-01

1999-11-09

Bos, Steven

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

B01J 306

Patent

active

059808527

ABSTRACT:
A reaction vessel for use in producing large diamond crystals of good quality and yield includes a reaction volume and a reaction mass located in the volume. The reaction mass comprises a plurality of seed particles located in or on a surface in the reaction volume and a carbon source separated from the seed particles by a mass of metallic catalyst/solvent for diamond synthesis. The mass comprises alternating layers of carbon-rich and carbon-lean metallic catalyst/solvent which lie parallel or substantially parallel to the surface. There is also provided a mass of alternating layers of carbon-rich and carbon-lean metallic catalyst/solvent.

REFERENCES:
patent: 4632817 (1986-12-01), Yazu et al.
patent: 4927619 (1990-05-01), Tsuji
patent: 5273730 (1993-12-01), Yoshida et al.

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