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Yttria-sensitized zirconia

  • US 10,420,226 B2
  • Filed: 06/06/2017
  • Issued: 09/17/2019
  • Est. Priority Date: 09/21/2016
  • Status: Expired due to Fees
First Claim
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1. An enclosure for an electronic device comprising:

  • a housing body defining an opening and composed of zirconia and from 1.5 mole percent yttria to 2.5 mole percent yttria;

    a cover attached to the housing body and covering the opening to define an enclosed volume;

    wherein;

    a first surface of the housing body is polished;

    the first surface has a first amount of monoclinic crystals;

    at least a portion of a second surface of the housing body is roughened; and

    the second surface has a second amount of monoclinic crystals that is greater than the first amount.

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