Invention Grant
- Patent Title: Laser marking process
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Application No.: US14705955Application Date: 2015-05-06
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Publication No.: US09600694B1Publication Date: 2017-03-21
- Inventor: Dale N. Memering , Michael M. Li
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: APPLE INC.
- Current Assignee: APPLE INC.
- Current Assignee Address: US CA Cupertino
- Agency: Brownstein Hyatt Farber Schreck, LLP
- Main IPC: G06K19/06
- IPC: G06K19/06 ; G06K1/12 ; B28D5/00
Abstract:
A manufacturing method for sapphire crystal material is disclosed, including a laser-etched bar code formed into the interior of the sapphire crystal material. The laser-etched bar code may be associated with one or more manufacturing parameters or other manufacturing data. The sapphire crystal may be used to create a cover sheet for use with a display screen of a portable electronic device.
Information query
