Diamond film and solid diamond particle composite compositions

Details Diamond film and solid diamond particle composite compositions Diamond film and solid diamond particle composite compositions

1994-10-20

1999-05-11

Turner, A. A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428408, 4283044, 4283122, 4283179, 4283184, 4283191, B32B9/00

Patent

active

059026758

ABSTRACT:
Porous and non-porous compositions include diamond particles, non-diamond particles, or mixtures of particles consolidated with polycrystalline diamond. The composite compositions of the present invention may be formed by a process which includes the steps of preforming the particles into a preform having a desired shape, and consolidating the preform with polycrystalline diamond. The polycrystalline diamond is preferably formed using CVD techniques including application of sufficient microwave energy to maintain the preform at a temperature of between about 670.degree. and 850.degree. C. The preform may be rotated during a portion of the deposition process.

REFERENCES:
patent: 4104441 (1978-08-01), Fedoseev et al.
patent: 4231762 (1980-11-01), Hara et al.
patent: 4925701 (1990-05-01), Jansen et al.
patent: 4987002 (1991-01-01), Sakamoto et al.

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