Ion implant indicia for cover glass or display component

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United States of America Patent

PATENT NO 9092187
APP PUB NO 20140192467A1
SERIAL NO

13736676

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Abstract

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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.

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Patent Owner(s)

  • APPLE INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kwong, Kelvin San Jose, US 45 789

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