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STRENGTHENED GLASS ARTICLES AND METHODS OF MAKING

  • US 20150183680A1
  • Filed: 03/14/2013
  • Published: 07/02/2015
  • Est. Priority Date: 06/08/2012
  • Status: Active Grant
First Claim
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1. A strengthened glass article, the strengthened glass article having a thickness t<

  • 0.5 mm and comprising;

    an outer region, the outer region extending from a surface of the article to a depth of layer DOL within the article, wherein the outer region is under a compressive stress CS; and

    an inner region, wherein the inner region is under a central tension CT, and wherein −

    15.7 (MPa/mm)·

    t(mm)+52.5 (MPa)<

    CT (MPa)≦

    57 (MPa)−

    9.0 (MPa/mm)·

    ln(t)(mm)+49.3 (MPa/mm)·

    ln2(t)(mm).

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