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MANUFACTURING METHOD OF GALLIUM OXIDE SINGLE CRYSTAL

  • US 20110220011A1
  • Filed: 03/08/2011
  • Published: 09/15/2011
  • Est. Priority Date: 03/12/2010
  • Status: Active Grant
First Claim
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1. A manufacturing method of a gallium oxide single crystal, comprising the steps of:

  • forming a first metal oxide film over a first single crystal substrate;

    forming a first gallium oxide compound film comprising a metal, over the first metal oxide film;

    forming a second metal oxide film over a second single crystal substrate;

    forming a second gallium oxide compound film over the second metal oxide film; and

    performing a heating treatment while the second single crystal substrate is positioned over the first gallium oxide compound film in a manner that the first gallium oxide compound film and the second gallium oxide compound film face each other with space between the first gallium oxide compound film and the second gallium oxide compound film, to obtain a gallium oxide single crystal over the first single crystal substrate from at least a part of the first gallium oxide compound film.

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