Cover glass and its manufacturing method

Cover glass and its manufacturing method

  • CN 102,531,384 B
  • Filed: 12/27/2011
  • Issued: 02/22/2019
  • Est. Priority Date: 12/29/2010
  • Status: Active Grant
First Claim
Patent Images

1. a kind of cover glass has compressive stress layers in main surface, forms, contain as glassSiO2:

  • 50~70 moles of %,Al2O3;

    3~20 moles of %,Na2O;

    5~25 mole %,Li2O;

    more than 0 mole of % and for 2.5 moles of % or less,K2O;

    0~5.5 mole %,B2O3;

    0~less than 3 moles %,ZrO2;

    0~2 mole of % andTiO2;

    less than 0.01 mole of %, andWithout containing BaO and CaO,The total content of MgO, CaO, SrO, BaO are 0~20 mole of %.

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