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GLASS SHEET

  • US 20150030838A1
  • Filed: 03/13/2013
  • Published: 01/29/2015
  • Est. Priority Date: 03/15/2012
  • Status: Abandoned Application
First Claim
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1. A lithium aluminosilicate glass sheet, a composition of which comprises at most 1% by weight of sodium oxide, a thickness of which is at most 2 mm, having a surface region under compression obtained by ion exchange and a central region under tension, such that a flexural stress at break in a ring-on-tripod test is at least 50 MPa, after Vickers indentation under a load of 120 N.

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