Embodiments of the present invention relate to PDCs including a PCD table having an exterior cutting region that exhibits enhanced thermal stability. In one embodiment, a method comprises forming an assembly including a first region having non-diamond carbon material and a second region having a plurality...http://www.google.com/patents/US7842111?utm_source=gb-gplus-sharePatent US7842111 - Polycrystalline diamond compacts, methods of fabricating same, and applications using same
