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.

Date of Patent:
May. 12, 2026

Filed:

Jul. 16, 2019
Applicant:

Corning Incorporated, Corning, NY (US);

Inventors:

Carol Ann Click, Corning, NY (US);

Indrajit Dutta, Horseheads, NY (US);

James Howard Edmonston, Corning, NY (US);

Michael S Fischer, Painted Post, NY (US);

Qiang Fu, Painted Post, NY (US);

Ozgur Gulbiten, Painted Post, NY (US);

Jill Marie Hall, Elmira, NY (US);

Mathieu Gerard Jacques Hubert, Corning, NY (US);

Dhananjay Joshi, Painted Post, NY (US);

Andrew Peter Kittleson, Honeoye Falls, NY (US);

Rohit Rai, Painted Post, NY (US);

John Robert Saltzer, Jr., Beaver Dams, NY (US);

Charlene Marie Smith, Corning, NY (US);

Matthew Daniel Trosa, Horseheads, NY (US);

Matthew Artus Tuggle, Charleston, SC (US);

James Clark Walck, Jr., Sayre, PA (US);

Alana Marie Whittier, Painted Post, NY (US);

Zheming Zheng, Horseheads, NY (US);

Assignee:

CORNING INCORPORATED, Corning, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B 7/06 (2006.01); C03B 32/02 (2006.01); C03C 3/097 (2006.01); C03C 4/00 (2006.01); C03C 10/00 (2006.01);
U.S. Cl.
CPC ...
C03C 10/0036 (2013.01); C03B 32/02 (2013.01); C03C 4/0092 (2013.01); C03C 10/0027 (2013.01); C03C 3/097 (2013.01); C03C 10/0054 (2013.01); C03C 2203/52 (2013.01); C03C 2214/20 (2013.01);
Abstract

A glass-ceramic article having one or more crystalline phases; a residual glass phase; a compressive stress layer extending from a first surface to a depth of compression (DOC); a maximum central tension greater than 70 MPa; a stored tensile energy greater than 22 J/m; a fracture toughness greater than 1.0 MPa√m; and a haze less than 0.2.


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