Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 2, 2007
Patent Application Number
10928482
Date Filed
August 30, 2004
Patent Primary Examiner
Patent abstract
A III-V group nitride system semiconductor substrate is of a III-V group nitride system single crystal. The III-V group nitride system semiconductor substrate has a flat surface, and a vector made by projecting on a surface of the substrate a normal vector of a low index surface closest to the substrate surface at an arbitrary point in a plane of the substrate is converged on a specific point or a specific region inside or outside the plane of the substrate.
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