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LAMINATED ALUMINUM OXIDE COVER COMPONENT

  • US 20140139978A1
  • Filed: 11/16/2012
  • Published: 05/22/2014
  • Est. Priority Date: 11/16/2012
  • Status: Active Grant
First Claim
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1. A cover glass for an electronic display, the cover glass comprising:

  • a plurality of layers of substantially single-crystal sapphire, each of the layers having a substantially single crystal plane orientation, wherein adjacent layers of the substantially single-crystal sapphire have different substantially single crystal plane orientations;

    one or more interface layers defined between the adjacent layers of substantially single-crystal sapphire, wherein the adjacent layers of substantially single-crystal sapphire are bonded together at the one or more interface layers; and

    a display window defined in the cover glass, the display window configured for viewing the electronic display through the plurality of layers of substantially single crystal sapphire bonded together at the one or more interface layers.

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