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Sapphire monocrystal, semiconductor laser diode using the same for substrate, and method for manufacturing the same

  • US 20040109486A1
  • Filed: 05/22/2003
  • Published: 06/10/2004
  • Est. Priority Date: 02/29/1996
  • Status: Active Grant
First Claim
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1. A sapphire monocrystal body comprising a cleavage plane parallel to a plane R of the crystal on the surface.

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