Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christopher A. Tucker0
Lynn Belnap0
J. Daniel Belnap0
Date of Patent
June 9, 2009
0Patent Application Number
113493190
Date Filed
February 7, 2006
0Patent Citations Received
0
Patent Primary Examiner
Patent abstract
A drill bit including at least one stress-relieved cutting element, wherein the at least one cutting element is mounted on the drill bit, wherein the stress-relieved cutting element includes a substrate, at least one transition layer disposed upon the substrate and a polycrystalline diamond layer having a thickness of at least 0.008 inches disposed upon the at least one transition layer.
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