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:
Aug. 02, 2016
Filed:
Sep. 17, 2010
Applicants:
Casey J. Feinstein, San Jose, CA (US);
John Z. Zhong, Cupertino, CA (US);
Inventors:
Casey J. Feinstein, San Jose, CA (US);
John Z. Zhong, Cupertino, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 17/06 (2006.01); B32B 38/10 (2006.01); G06F 3/041 (2006.01); C03C 15/00 (2006.01); C03C 21/00 (2006.01);
U.S. Cl.
CPC ...
G06F 3/041 (2013.01); C03C 15/00 (2013.01); C03C 21/002 (2013.01); Y10T 156/10 (2015.01); Y10T 428/24802 (2015.01);
Abstract
Methods and apparatus for protecting the thin films during chemical and/or thermal edge strengthening treatment. In one embodiment, a portion of each individual sheet is laminated. Pairs of sheets are then sealed together such that the thin film sides face inward to form a thin film sandwich. In some embodiments, the sandwich in then immersed in a chemical strengthener. In other embodiments, a localized treatment is applied to the unstrengthened edges.