发明名称 THERMALLY STABLE POLYCRYSTALLINE DIAMOND CUTTING ELEMENTS AND BITS INCORPORATING THE SAME
摘要 Cutting elements are provided having substrates including end surfaces. TSP material layers extend over only a portion of the end surfaces or extend into the substrates below the end surfaces. Bits incorporating such cutting elements are also provided.
申请公布号 US2010270088(A1) 申请公布日期 2010.10.28
申请号 US20100830136 申请日期 2010.07.02
申请人 ZHANG YOUHE;SHEN YUELIN;KESHAVAN MADAPUSI K;AZAR MICHAEL G 发明人 ZHANG YOUHE;SHEN YUELIN;KESHAVAN MADAPUSI K.;AZAR MICHAEL G.
分类号 E21B10/46;B24D18/00 主分类号 E21B10/46
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