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|1. (WO2018122309) SUPERHARD CONSTRUCTIONS & METHODS OF MAKING SAME|
|Applicants:||ELEMENT SIX (UK) LIMITED
AMBURY, Rachael Fiona
RYBAK, Tomasz Zbyszko
|Title:||SUPERHARD CONSTRUCTIONS & METHODS OF MAKING SAME|
A polycrystalline super hard construction is disclosed having a first region comprising a body of thermally stable polycrystalline super hard material having an exposed surface forming a working surface, and a peripheral side edge, the polycrystalline super hard material comprising a plurality of grains of super hard material; a second region forming a substrate to the first region; and a third region interposed between the first and second regions. The third region extends across a surface of the second region along an interface, the interface comprising a portion having an uneven topology and a substantially planar portion, the third region comprising a composite material including a first phase comprising a plurality of non-intergrown diamond grains, and a matrix material.