ION IMPLANT INDICIA FOR COVER GLASS OR DISPLAY COMPONENT

摘要

An aluminum oxide ceramic is formed into a sapphire component for an electronic device. Indicia are embedded into at least one major surface of the component, for example by ion implantation, where ions are fixed into a subsurface pattern layer. The subsurface pattern layer defines the indicia by altering an optical or chromatic property of the aluminum oxide material, so that the indicia are visible from an external surface of the component.

主权项

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.