A cutting element includes a substrate having an interface surface; and an ultrahard material layer disposed on the interface surface. An interface surface includes a plurality of surface features, wherein at least one of the plurality of surface features intersects a neighboring surface feature at a height that is intermediate an extremity of the at least one of the plurality of surface features and a base of the at least one of the plurality of surface features.
申请公布号
EP2510180(A4)
申请公布日期
2015.11.11
申请号
EP20100836592
申请日期
2010.12.08
申请人
SMITH INTERNATIONAL, INC.
发明人
BELLIN, FEDERICO;FANG, YI;STEWART, MICHAEL;MOURIK, NEPHI, M.;CARIVEAU, PETER, THOMAS