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:
Jun. 20, 2023
Filed:
Jun. 17, 2020
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Tyler A. Marshall, Sunnyvale, CA (US);
Christopher C. Bartlow, Menlo Park, CA (US);
Assignee:
APPLE INC., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/21 (2006.01); B44C 1/00 (2006.01); C03C 17/30 (2006.01);
U.S. Cl.
CPC ...
C03C 17/30 (2013.01); B44C 1/00 (2013.01); G01N 21/21 (2013.01);
Abstract
Methods for evaluating a chemically strengthened housing component for an electronic device are disclosed. These methods may allow non-destructive determination of whether the chemical strengthening of the component meets specifications. Systems suitable for use with the methods are also disclosed.