发明名称 |
METHOD FOR PRODUCING SINTERED HARD METAL WITH DIAMOND FILM |
摘要 |
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. |
申请公布号 |
EP0327110(B1) |
申请公布日期 |
1993.01.13 |
申请号 |
EP19890101927 |
申请日期 |
1989.02.03 |
申请人 |
IDEMITSU PETROCHEMICAL CO. LTD.;NGK SPARK PLUG CO. LTD. |
发明人 |
ITO, TOSHIMICHI;KATSUMATA, SATOSHI;WATANABE, MASAKAZU;IIO, SATOSHI |
分类号 |
C23C16/02;C23C16/27;C30B25/02 |
主分类号 |
C23C16/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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