Transparent diamond films and method for making

Details Transparent diamond films and method for making Transparent diamond films and method for making

1989-09-14

1992-05-05

Kunemund, Robert

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

156DIG68, 501 86, 437 39, 204179, C01B 3106

Patent

active

051105799

ABSTRACT:
A method is provided for making substantially transparent polycrystalline diamond film having a thickness greater than 50 microns which can be used in glazing applications and as a heat sink in microelectric applications. A mixture of hydrogen and methane is conveyed into a heated filament reacting zone which is adjacent to an appropriate substrate, such as a molybdenum substrate to produce non-adherent polycrystalline substantially transparent diamond film.

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patent: 3030187 (1962-04-01), Eversole
patent: 3630679 (1971-12-01), Angus
patent: 4767608 (1988-08-01), Matsumoto et al.
patent: 4816286 (1989-03-01), Hirose
patent: 4830702 (1989-05-01), Singh et al.
Karl E. Spear, Diamond-Ceramic Coating of the Future, Journal of the American Ceramic Society (1989), vol. 72, No. 2, pp. 171-191.
Peter K. Bachmann and Russell Messier, Emerging Technology of Diamond Thin Films, Special Report, C&EN, May 15, 1989, pp. 24-39.

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