发明名称 |
CUBIC BORON NITRIDE COMPLEX POLYCRYSTALLINE SUBSTANCE, METHOD FOR MANUFACTURING SAME, CUTTING TOOL, WIRE-DRAWING DIE, AND GRINDING TOOL |
摘要 |
A cubic boron nitride complex polycrystal comprising wurtzite-type boron nitride at 10 to 95 v/v%; and cubic boron nitride and unavoidable impurities as the remainder, the average grain size of said cubic boron nitride being 200 nm or less. |
申请公布号 |
EP2942341(A1) |
申请公布日期 |
2015.11.11 |
申请号 |
EP20150173815 |
申请日期 |
2012.08.24 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD. |
发明人 |
ISHIDA, YUH;SUMIYA, HITOSHI |
分类号 |
C04B35/626;B23B27/14;B23B27/20;C04B35/583;C04B35/5831;C04B35/645 |
主分类号 |
C04B35/626 |
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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