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ION IMPLANT INDICIA FOR COVER GLASS OR DISPLAY COMPONENT

  • US 20140192467A1
  • Filed: 01/08/2013
  • Published: 07/10/2014
  • Est. Priority Date: 01/08/2013
  • Status: Active Grant
First Claim
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1. A method comprising:

  • forming an aluminum oxide ceramic into a sapphire component for an electronic device, the sapphire component having first and second major surfaces; and

    embedding indicia into one or both of the first and second major surfaces of the sapphire component by ion implantation;

    wherein ions are fixed in a subsurface layer between the first and second major surfaces of the sapphire component; and

    wherein the subsurface layer defines the indicia by altering an optical property of the aluminum oxide material, such that the indicia are visible from an external surface of the component.

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