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
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