CUTTING ELEMENT HAVING MODIFIED SURFACE

摘要

A cutting element including a cutting face and a longitudinal axis passing through the cutting face. The cutting element includes at least a first portion of the cutting face that is angled at an angle of about 81 to about 89 degrees relative to the longitudinal axis of the cutting element. The cutting element can further include a substrate, a superabrasive an interface between the substrate and superabrasive layer. Further, the cutting face is provided with a surface roughness of 40 microinches or less.