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:
Apr. 11, 2017
Filed:
Aug. 06, 2014
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Rudolf Beckmann, Hammersbach, DE;
Markus Kress, Muhlheim a.M., DE;
Assignee:
APPLE INC., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 16/513 (2006.01); C23C 14/34 (2006.01); C23C 14/58 (2006.01); C03C 17/245 (2006.01); C30B 29/20 (2006.01); C23C 14/08 (2006.01); C23C 16/40 (2006.01);
U.S. Cl.
CPC ...
C23C 16/513 (2013.01); C03C 17/245 (2013.01); C23C 14/081 (2013.01); C23C 14/34 (2013.01); C23C 14/582 (2013.01); C23C 16/403 (2013.01); C30B 29/20 (2013.01); Y10T 428/24942 (2015.01); Y10T 428/265 (2015.01); Y10T 428/266 (2015.01);
Abstract
A surface-tensioned sapphire plate and a corresponding manufacturing process. The plate may include a planar sapphire substrate and at least one layer disposed on the surface of the substrate for tensing the substrate. The layer may include at least 50 wt.-% of aluminum oxide (Al2O3). The manufacturing process for producing of a sapphire plate may include providing a planar sapphire substrate, and coating at least one surface of the substrate with a layer tensing the substrate. The layer may include at least 50 wt.-% of aluminum oxide (Al2O3).