C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
148/2.1, 204/96.
C23C 16/26 (2006.01) C23C 4/00 (2006.01) C23C 16/02 (2006.01) C23C 16/27 (2006.01) C30B 25/02 (2006.01) C30B 29/04 (2006.01)
Patent
CA 1336704
The present invention is directed to a method of producing a sintered hard metal having a diamond film wherein a gas that is obtained by activating a raw material gas containing 2 to 60 mol % of carbon monoxide and hydrogen gas is brought in contact with a sintered hard metal to form a diamond film, thereby a diamond film can be formed on said sintered hard metal with the adhesion of the diamond excellent.
590089
Iio Satoshi
Ito Toshimichi
Katsumata Satoshi
Watanabe Masakazu
Ngk Spark Plug Co. Ltd.
Ngk Spark Plug Co. Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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