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:
Nov. 12, 2019
Filed:
May. 16, 2016
Applicant:
Corning Incorporated, Corning, NY (US);
Inventors:
Indrajit Dutta, Horseheads, NY (US);
Nicholas James Smith, Horseheads, NY (US);
Assignee:
CORNING INCORPORATED, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/083 (2006.01); C03C 23/00 (2006.01); C03C 4/14 (2006.01); C03C 4/20 (2006.01);
U.S. Cl.
CPC ...
C03C 3/083 (2013.01); C03C 4/14 (2013.01); C03C 4/20 (2013.01); C03C 23/009 (2013.01); C03C 2204/00 (2013.01);
Abstract
Embodiments of a glass substrate including an alkali-containing bulk and an alkali-depleted surface layer, including a substantially homogenous composition are disclosed. In some embodiments, the alkali-depleted surface layer includes about 0.5 atomic % alkali or less. The alkali-depleted surface layer may be substantially free of hydrogen and/or crystallites. Methods for forming a glass substrate with a modified surface layer are also provided.