Articles having diamond-like protective film

Details Articles having diamond-like protective film Articles having diamond-like protective film

1994-03-10

1998-01-13

Turner, Archene

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428212, 428336, 428216, 428408, 428457, 6537412, 6537415, C03B 1902

Patent

active

057077177

ABSTRACT:
A protectively coated article comprises a substrate of a material selected from the group consisting of alloys containing at least Co, Ni, or Fe, ceramics, and glass and which has only a slight affinity for a diamond-like thin film, an intermediate carbon layer formed on the substrate, the intermediate layer having a hardness Hv in the range from 1000 to 5000 kg/mm2, or harder than the substrate but less hard than a diamond-like thin film to be formed thereon, and a diamond-like thin film formed further thereon. The interposition of the intermediate layer permits the diamond-like thin film to be bound securely to a substrate surface which has a slight affinity for the film.

REFERENCES:
patent: 4647494 (1987-03-01), Meyerson et al.
patent: 5008002 (1991-04-01), Uno et al.
patent: 5026415 (1991-06-01), Yamamoto et al.
patent: 5032159 (1991-07-01), Kuwabara et al.
patent: 5045165 (1991-09-01), Yamashita
patent: 5159508 (1992-10-01), Grill et al.
patent: 5175658 (1992-12-01), Chang et al.
patent: 5198285 (1993-03-01), Arai et al.
TRC News, Jan. 1987, vol. 6-1, p. 7 published by Torey Research Center and translation.
Journal of Applied Physics of Japan, vol. 55, No. 7 (1986), p. 640 and translation.
Journal of the Ceramic Society of Japan, Internation Edition, vol. 98, pp. 607-608 (1990).
Oguri et al "Low Friction Coatings of Diamond Like Carbon with Silicon Prepared by Plasma-Assited Chemical Vapor Deposition" J. Mater, Res vol. 5, No. 11, Nov. 1990 pp. 2567-2571.

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