发明名称 |
Diamond tool, synthetic single crystal diamond and method for synthesizing single crystal diamond, and diamond jewelry |
摘要 |
Various types of diamond tools are provided by utilizing the fact that a synthetic single crystal diamond for use in a tool having a nitrogen content of 3 ppm or less exhibits an enhanced hardness in a (100) plane in a <111> direction and simultaneously the reduction in defects. The above synthetic single crystal diamond is synthesized by the temperature difference method under an ultra high pressure at high temperature and contains, in its crystals, nickel introduced by atomic substitution or boron and nickel introduced by atomic substitution. |
申请公布号 |
EP2468392(A3) |
申请公布日期 |
2016.11.16 |
申请号 |
EP20120156599 |
申请日期 |
2004.10.08 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD.;SUMITOMO ELECTRIC HARDMETAL CORP. |
发明人 |
SUMIYA, HITOSHI;KOBAYASHI, YUTAKA;KAWATE, KATSUYUKI;NAKASHIMA TAKERU |
分类号 |
B01J3/06;B23B27/14;B23B27/20;B24B53/12;C30B29/04 |
主分类号 |
B01J3/06 |
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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