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. 15, 2019
Filed:
Nov. 13, 2014
Applicant:
Corning Incorporated, Corning, NY (US);
Inventors:
Douglas Clippinger Allan, Corning, NY (US);
Xiaoju Guo, Painted Post, NY (US);
Guangli Hu, Horseheads, NY (US);
Gaozhu Peng, Horseheads, NY (US);
Assignee:
CORNING INCORPORATED, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 21/00 (2006.01); C03C 4/18 (2006.01); C03C 3/093 (2006.01);
U.S. Cl.
CPC ...
C03C 21/002 (2013.01); C03C 3/093 (2013.01); C03C 4/18 (2013.01); C03C 21/005 (2013.01); C03C 2204/00 (2013.01); Y10T 428/315 (2015.01);
Abstract
A method for generating various stress profiles for chemically strengthened glass. An alkali aluminosilicate glass is brought into contact with an ion exchange media such as, for example, a molten salt bath containing an alkali metal cation that is larger than an alkali metal cation in the glass. The ion exchange is carried out at temperatures greater than about 420° C. and at least about 30° C. below the anneal point of the glass.