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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.:

US 11767254 B1

PDFFull Text
Date of Patent:
Sep. 26, 2023

Filed:

Mar. 27, 2020

Glasses with low excess modifier content

Applicant:

Corning Incorporated, Corning, NY (US);

Inventors:

Timothy Michael Gross, Corning, NY (US);

Xiaoju Guo, Painted Post, NY (US);

Peter Joseph Lezzi, Corning, NY (US);

Alexandra Lai Ching Kao Andrews Mitchell, Ithaca, NY (US);

Rostislav Vatchev Roussev, Painted Post, NY (US);

Assignee:

CORNING INCORPORATED, Corning, NY (US);

Attorney:

Travis B. Gasa

Primary Examiner:

Elizabeth A Bolden

Int. Cl.
CPC ...
C03C 3/097 (2006.01); C03C 21/00 (2006.01); C03C 3/091 (2006.01); C03C 3/085 (2006.01); H05K 5/03 (2006.01); H05K 5/00 (2006.01); C03C 4/18 (2006.01);
U.S. Cl.
CPC ...
C03C 3/097 (2013.01); C03C 3/085 (2013.01); C03C 3/091 (2013.01); C03C 4/18 (2013.01); C03C 21/002 (2013.01); H05K 5/0017 (2013.01); H05K 5/03 (2013.01); C03C 2204/00 (2013.01);
Abstract

A glass composition includes: from 55.0 mol % to 70.0 mol % SiO; from 12.0 mol % to 20.0 mol % AlO; from 5.0 mol % to 15.0 mol % LiO; and from 4.0 mol % to 15.0 mol % NaO. The glass composition has the following relationships −8.00 mol %≤RO+RO−AlO−BO−PO≤−1.75 mol %, 9.00≤(SiO+AlO+LiO)/NaO, and (LiO+AlO+PO)/(NaO+BO)≤3.50. The glass composition may be used in a glass article or a consumer electronic product.

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