Multilayer CVD diamond films

Details Multilayer CVD diamond films Multilayer CVD diamond films

1995-03-08

1996-02-13

King, Roy V.

Coating processes

Coating by vapor, gas, or smoke

Carbon or carbide coating

4272551, 4272557, 427314, 427577, 4274197, 423446, 428408, C23C 1600, H05H 124

Patent

active

054910021

ABSTRACT:
Multilayer CVD diamond films are provided, wherein grain boundaries of the diamond layers are interrupted by renucleating and growing diamond on new nucleation sites comprised of metal. These nucleation sites are positioned on the interface between diamond layers. Methods for producing these multilayer CVD diamond films are also provided wherein the diamond growth on a substrate is interrupted by the deposition of metals which provide new nucleation sites. Diamond growth is then reinitiated.

REFERENCES:
patent: 5135807 (1992-08-01), Ito et al.
Proceedings of the IEEE vol. 79., No. 5, May 1991, N.Y. U.S. pp. 621-646, XP240229.

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