Process for manufacture of synthetic diamond layers on substrate

Details Process for manufacture of synthetic diamond layers on substrate Process for manufacture of synthetic diamond layers on substrate

1993-10-14

1995-08-22

Beck, Shrive

Coating processes

Coating by vapor, gas, or smoke

Carbon or carbide coating

427587, 427223, C23C 1626

Patent

active

054438616

ABSTRACT:
A method for the production of polycrystalline diamond coatings, in which carbon from a carbon-containing gas mixture is precipitated onto a substrate heated to a preselected temperature, wherein the substrate is disposed inside a coolable detonation-combustion chamber of a high-velocity burner system or in a detonation gun and an atmosphere preventing oxidation of the surface of the substrate is created and this inert gas atmosphere is then replaced by a carbon-rich detonation mixture atmosphere. The method can also be implemented, if desired, with use of a high-velocity burner system without a combustion chamber and without a detonation gun.

REFERENCES:
patent: 4104441 (1978-08-01), Fedoseev et al.
patent: 4767608 (1988-08-01), Matsumoto et al.
patent: 4938940 (1990-07-01), Hirose et al.
patent: 4999225 (1991-03-01), Rotolico et al.

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