Diamond growth

Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon

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156DIG68, 501 86, 427 39, C01B 3106

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050230689

ABSTRACT:
Crystalline diamond is grown on a substrate by placing the substrate on a nitride surface which completely covers a graphite support, creating an atmosphere of a gaseous carbon compound around the substrate, bringing the temperature of the nitride surface and the substrate to at least 600.degree. C., and subjecting the gaseous carbon compound to microwave energy suitable to cause the compound to decompose and produce carbon which deposits on the substrate and forms crystalline diamond thereon.

REFERENCES:
patent: 3030187 (1962-04-01), Eversole
patent: 3961103 (1976-06-01), Aisenberg
patent: 4434188 (1984-02-01), Kamo et al.
patent: 4767608 (1988-08-01), Matsumoto et al.
patent: 4816286 (1989-03-01), Hirose
patent: 4869923 (1989-09-01), Yamazaki
JP-A-01 28 296 (Patent Abstracts of Japan, vol. 13, No. 211).
JP-A-61 158 898 (Patent Abstracts of Japan, vol. 10, No. 362).
Misuda, et al., Journal of Materials Science, vol. 22, No. 5, May 1987, pp. 1557-1562.
JP-A-62 167 294 (Patent Abstracts of Japan, vol. 12, No. 11, Kamo, Journal of Crystal Growth, vol. 62, 1983, pp. 642-644.
Abstract of Japanese Patent JP-139694.

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