Environmental protection optical glass

Environmental protection optical glass

CN
  • CN 100,575,289 C
  • Filed: 08/10/2006
  • Issued: 12/30/2009
  • Est. Priority Date: 08/10/2006
  • Status: Active Grant
First Claim
Patent Images

1. , environmental protection optical glass is characterized in that:

  • its weight percent consists of;

    SiO 2;

    25-40%, B 2O 3;

    3-15%, Al 2O 3;

    1-5%, TiO 2;

    0-10%, ZrO 2;

    0-5%, BaO;

    25-40%, CaO;

    6-10%, SrO;

    0-5%, ZnO;

    0-10%, Li 2O;

    2-5% and Sb 2O 3;

    0-1%.

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