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. 17, 2023
Filed:
Aug. 28, 2020
Corning Incorporated, Corning, NY (US);
Yuhui Jin, Painted Post, NY (US);
Joshua James McCaslin, Beaver Dams, NY (US);
Vitor Marino Schneider, Painted Post, NY (US);
Wei Sun, Painted Post, NY (US);
Taylor Marie Wilkinson, Painted Post, NY (US);
CORNING INCORPORATED, Corning, NY (US);
Abstract
Glass-based articles comprise stress profiles providing improved scratch resistance. The glass-based articles comprise: a thickness t; a lithium aluminosilicate composition; and a molar ratio of sodium oxide (NaO) to lithium oxide (LiO) that is less than or equal to 0.63 at the center of the glass-based article. The articles have a molar ratio of sodium dioxide (NaO) to lithium dioxide (LiO) in a post-spike near region that is greater than or equal to 0.9 and/or less than 1.5.