Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Frushour0
Date of Patent
March 10, 2015
0Patent Application Number
132084940
Date Filed
August 12, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
PDC is made using a solvent catalyst that has a melting point below that of the cobalt which is used to cement the tungsten carbide supporting substrate. The lower melting temperature allows control of the amount of catalyst that remains in the interstices after HPHT sintering since the process can be done without melting the cobalt in the substrate which would flow into and completely fill the pore volume of the diamond mass.
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