Glass articles exhibiting improved fracture performance

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United States of America Patent

PATENT NO 9977470
SERIAL NO

15637411

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Embodiments of this disclosure pertain to a strengthened glass article including a first surface and a second surface opposing the first surface defining a thickness (t) of about less than about 1.1 mm, a compressive stress layer extending from the first surface to a depth of compression (DOC) of about 0.1·t or greater, such that when the glass article fracture, it breaks into a plurality of fragments having an aspect ratio of about 5 or less. In some embodiments, the glass article exhibits an equibiaxial flexural strength of about 20 kgf or greater, after being abraded with 90-grit SiC particles at a pressure of 25 psi for 5 seconds. Devices incorporating the glass articles described herein and methods for making the same are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
CORNING INCORPORATEDCORNING NY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
DeMartino, Steven Edward Painted Post, US 123 2232
Fabian, Michelle Dawn Horseheads, US 19 246
Kohli, Jeffrey Todd Corning, US 19 366
Lyon, Jennifer Lynn Painted Post, US 19 297
Smith, Charlene Marie Corning, US 194 2361
Tang, Zhongzhi Painted Post, US 46 663

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