The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 04, 2021
Filed:
Mar. 19, 2019
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Dale N. Memering, Langhorne, PA (US);
Michael M. Li, San Jose, CA (US);
Assignee:
APPLE INC., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/06 (2005.12); G06K 1/12 (2005.12); B28D 5/00 (2005.12);
U.S. Cl.
CPC ...
G06K 1/12 (2012.12); B28D 5/00 (2012.12); G06K 19/06046 (2012.12);
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.