Method of producing polycrystalline diamonds

Details Method of producing polycrystalline diamonds Method of producing polycrystalline diamonds

1973-01-02

1977-09-20

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

C01B 3106

Patent

active

040497836

ABSTRACT:
A method of producing polycrystalline diamonds which is characterized by providing a thermal contact of the reaction chamber with the cooled members of the device developing a high pressure and high temperatures for removing the heat generated within this chamber in the process of crystallization of a diamond, which method is also characterized in that the cross-sectional area of the metal-catalyst is not more than 0.04 that of the reaction chamber in a plane normal to the direction of the maximum withdrawal of the heat of crystallization. Said metal-catalyst is set in the carbon-containing material substantially in the center of the reaction chamber.

REFERENCES:
patent: 2947609 (1960-08-01), Strong
patent: 3031269 (1962-04-01), Bovenkerk
patent: 3101260 (1963-08-01), Cheney
patent: 3148161 (1964-09-01), Wentorf et al.

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