发明名称 Cutting structures
摘要 A polycrystalline diamond compact cutter that includes a thermally stable polycrystalline diamond layer, a carbide substrate, and a polycrystalline cubic boron nitride layer interposed between the thermally stable polycrystalline diamond layer and the carbide substrate such that at least a portion of the polycrystalline cubic boron nitride layer is radially surrounded by the thermally stable polycrystalline diamond layer is disclosed.
申请公布号 US8197936(B2) 申请公布日期 2012.06.12
申请号 US20080236083 申请日期 2008.09.23
申请人 KESHAVAN MADAPUSI K.;SMITH INTERNATIONAL, INC. 发明人 KESHAVAN MADAPUSI K.
分类号 B32B9/00 主分类号 B32B9/00
代理机构 代理人
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