Wire drawing dies of polycrystalline CVD diamond with boron dopa

Details Wire drawing dies of polycrystalline CVD diamond with boron dopa Wire drawing dies of polycrystalline CVD diamond with boron dopa

1992-01-10

1997-07-15

Watkins, William

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428408, 428704, 428220, 51307, 761074, 761071, B21C 302, B23B 2720

Patent

active

056481390

ABSTRACT:
A wire drawing die comprises a polycrystalline CVD diamond layer having a hole formed therethrough and mounted in a support.

REFERENCES:
patent: 4707384 (1987-11-01), Schachmer et al.
patent: 4884476 (1989-12-01), Okuzumi et al.
patent: 5020394 (1991-06-01), Nakamura et al.
patent: 5033334 (1991-07-01), Phaal et al.
Patent Abstracts of Japan, vol. 14, No. 544 (C-784), Dec. 4, 1990 & JP2233512, Sep. 17, 1990.
Patent Abstracts of Japan, vol. 9, No. 107 (M-378) (1830), May 11, 1985 & JP59-229227, Dec. 22, 1984.
Hirabayashi et al., "Triangular Structures on (111) Surfaces of Diamond Crystals Synthesized by the Hot-Filament CVD Method" Japanese Journal of Applied Physics, Col. 29, No. 10, Oct. 1990, pp. L1901-L1903.
Hirabayashi et al., "Growth Mode of (111) Surfaces of Diamond Crystals Synthesized by Hot-Filament CVD Method" Japanese Journal of Applied Physics, vol. 29, No. 10, Oct. 1990, pp. L1862-L1865.

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