Enhanced strength of glass by combining redraw and chemical thinning processes

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United States of America Patent

PATENT NO 12103885
APP PUB NO 20210331961A1
SERIAL NO

17269558

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Abstract

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A cover element for an electronic device that includes a glass element having a thickness from 20 μm to 125 μm, a first primary surface, a second primary surface, a compressive stress region extending from the first primary surface to a first depth, and a polymeric layer disposed over the first primary surface. Further, the glass element has a stress profile such that it has a bend strength of about 1850 MPa or more at a 10% failure probability, wherein the cover element is made by a multi-step method that employs a redraw thinning step and at least two chemical etching steps.

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Patent Owner(s)

  • CORNING INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alderman, Bethany Jon Bath, US 3 1
Cimo, Patrick Joseph Corning, US 31 183
Kuo, Kuan-Ting Chubei, TW 14 38
Smith,, III Robert Lee Horseheads, US 8 46

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