Process for deposition of ultra-fine grained polycrystalline dia

Coating processes – Coating by vapor – gas – or smoke – Carbon or carbide coating

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427600, 423446, C23C 1600

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active

054259657

ABSTRACT:
This invention is directed to a method for enhancing the diamond nucleation on a substrate prior to providing a diamond film thereon. More particularly, it is directed to a method which involved ultrasonic treatment of the substrate surface with a fluid consisting essentially of unsaturated oxygen-free hydrocarbons and diamond grit.

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patent: 5146481 (1992-09-01), Garg et al.
patent: 5185179 (1993-02-01), Yamazaki et al.
Masood et al., "Techniques for Patterning of CVD Diamond Films on Non-Diamond Substrates," J. Electrochem vol. 138, No. 11 Nov. 1991, pp. L67-L68.
The Condensed Chemical Dictionary, 10th Ed., 1981, p. 541.
"Growth of Diamond Particles in Chemical Vapor Deposition", Iijima et al, J. Mater. Res. vol. 6, No. 7, Jul. 1991.
"Surface Treatment for Enhanced Nucleation of Diamond", Svend S. Eskildsen, Danish Technical Inst., 2nd International Conference on the Application of Diamond Films & Related Materials, 1993.

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