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Method for manufacturing substrate for semiconductor light emitting element and semiconductor light emitting element using the same

  • US 7,781,790 B2
  • Filed: 12/20/2007
  • Issued: 08/24/2010
  • Est. Priority Date: 12/21/2006
  • Status: Active Grant
First Claim
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1. A semiconductor light emitting element comprising a semiconductor light emitting structure on a first main surface of a substrate, whereinthe first main surface of the substrate has a substrate protrusion portion thereon, wherein a bottom surface of a protrusion is wider than a top surface thereof in a cross section of the substrate and the top surface is included in the bottom surface in a top view of the substrate,the bottom surface has an approximately polygonal shape which has a convex portion on each constituent side of the bottom surface, andthe top surface has an approximately circular shape.

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