Method for forming nitride crystals

  • US 7,642,122 B2
  • Filed: 10/05/2007
  • Issued: 01/05/2010
  • Est. Priority Date: 10/08/2006
  • Status: Active Grant
First Claim
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1. A method for growing a nitride crystal which comprises:

  • providing source material containing less than 1 weight percent oxygen;

    providing a mineralizer;

    providing one or more seed crystals, wherein the seed crystal is larger than 1 mm in diameter;

    providing a capsule;

    filling the capsule with a nitrogen-containing solvent;

    processing the capsule and contents in a supercritical fluid at a temperature higher than about 550°

    C. and a pressure higher than about 2 kbar.

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