×

Ion exchangeable glass with high crack initiation threshold

  • US 9,156,724 B2
  • Filed: 11/15/2012
  • Issued: 10/13/2015
  • Est. Priority Date: 11/16/2011
  • Status: Active Grant
First Claim
Patent Images

1. An alkali aluminosilicate glass comprising at least about 4% P2O5 and from 0 mol % to about 4 mol % B2O3, wherein the alkali aluminosilicate glass is Li2O-free and wherein:


  • 1.3<

    [(P2O5+R2O)/M2O3]≦

    2.3;





    ii.where M2O3=Al2O3+B2O3, and R2O is the sum of monovalent cation oxides present in the alkali aluminosilicate glass.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×