发明名称 Novel cutting structures
摘要 <p>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.</p>
申请公布号 GB0916441(D0) 申请公布日期 2009.10.28
申请号 GB20090016441 申请日期 2009.09.18
申请人 SMITH INTERNATIONAL, INC. 发明人
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