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METHOD OF SEPARATING STRENGTHENED GLASS

  • US 20100291353A1
  • Filed: 07/28/2010
  • Published: 11/18/2010
  • Est. Priority Date: 02/19/2009
  • Status: Active Grant
First Claim
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1. A method of separating a strengthened glass sheet, the method comprising:

  • providing the strengthened glass sheet, the strengthened glass sheet having a first surface and a second surface, wherein;

    each of the first surface and the second surface has a strengthened surface layer under a compressive stress and extending from the surface to a depth of layer, and a central region under tensile stress; and

    the strengthened glass sheet comprises an aluminoborosilicate glass material having at least one alkali metal oxide modifier, and the ratio

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