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:
Dec. 15, 2015
Filed:
Dec. 10, 2010
Applicants:
Chong Wang, Jiangsu, CN;
José Zimmer, Losheim am See, DE;
Inventors:
Chong Wang, Jiangsu, CN;
José Zimmer, Losheim am See, DE;
Assignee:
SCHOTT GLASS TECHNOLOGIES (SUZHOU) CO. LTD., Jiangsu, CN;
Primary Examiner:
Int. Cl.
CPC ...
A01N 59/16 (2006.01); C03C 4/00 (2006.01); C03C 3/085 (2006.01); C03C 3/095 (2006.01); C03C 21/00 (2006.01); C03C 3/087 (2006.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
C03C 4/00 (2013.01); C03C 3/085 (2013.01); C03C 3/087 (2013.01); C03C 3/095 (2013.01); C03C 21/002 (2013.01); G06F 3/041 (2013.01);
Abstract
An aluminosilicate glass for touch screens is provided. The glass includes, calculated based on weight percentage: SiO, 55 to 65%; NaO, 12 to 17%; AlO, 15 to 20%; KO, 2 to 6%; MgO, 3.9 to 10%; ZrO, 0 to 5%; ZnO, 0 to 4%; CaO, 0 to 4%; NaO+KO+MgO+ZnO+CaO, 15 to 28%; SnO, 0 to 1%; TiO+CeO, ≦1%. A chemical strengthening method for glass also provided that includes ion exchange strengthening in a 100% KNOsalt bath, wherein a preheating temperature ranges from 370° C. to 430° C. and the treatment time is from 0.5 to 16 hours.