Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 11, 2010
Patent Application Number
11602403
Date Filed
November 21, 2006
Patent Primary Examiner
Patent abstract
A single crystal diamond grown by microwave plasma chemical vapor deposition has a hardness of 50-90 GPa and a fracture toughness of 11-20 MPa m1/2. A method for growing a single crystal diamond includes placing a seed diamond in a holder; and growing single crystal diamond at a temperature of about 1000° C. to about 1100° C. such that the single crystal diamond has a fracture toughness of 11-20 MPa m1/2.
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