Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuag-Shan Kevin Chou0
Raymond G. Thompson0
Date of Patent
October 4, 2016
0Patent Application Number
135119910
Date Filed
December 28, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Tungsten carbide drill bits for removing material from alloys and other hard materials are disclosed. A conventional drill bit is modified by removing material from the forward portion of the bit to increase the radius of the cutting edge. The drill bit is then coated with a nanostructured diamond film using a chemical vapor deposition process.
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