Coating processes – Coating by vapor – gas – or smoke – Carbon or carbide coating
Patent
1997-08-11
1998-11-17
King, Roy V.
Coating processes
Coating by vapor, gas, or smoke
Carbon or carbide coating
4272557, 427299, 359359, C23C 1626, C23C 1634
Patent
active
058373225
ABSTRACT:
An adhering, continuous, polycrystalline diamond film is deposited on a z sulfide substrate by forming a refractory nitride interlayer directly on the substrate and then depositing diamond on the interlayer in a vacuum chamber containing a microwave activated mixture of hydrogen and a gas including carbon. The diamond film may be of optical quality and may be deposited without mechanical treatment or seeding of the zinc sulfide substrate or the nitride interlayer. However, diamond deposition may be facilitated by abrasion of the interlayer before diamond deposition.
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Mirtich et al, J. Vac. Sci. Technol. A4(6), Nov./Dec. 1986 pp. 2680-2681.
Johnson Linda F.
Klemm Karl A.
Moran Mark B.
Church Stephen J.
Kalmbaugh David S.
King Roy V.
Sliwka Melvin J.
The United States of America as represented by the Secretary of
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