Optical glass

Optical glass

  • CN 100,593,022 C
  • Filed: 07/16/2004
  • Issued: 03/03/2010
  • Est. Priority Date: 07/16/2003
  • Status: Active Grant
First Claim
Patent Images

1. opticglass, by weight percentage, it comprises:

  • SiO 2 35-75 Al 2O 3 17-35 B 2O 3 0-5 P 2O 5 1-17 SnO 2+ZrO 2+TiO 2 0.1-8 Na 2O+K 2O+Cs 2O+Li 2O 0.1-8 CaO+MgO+SrO+BaO+ZnO 0.1-8Refining agent≤

    2Coloring oxide andOther impurity≤

    1,And, comprise the Fe of 120ppm at most 2O 3

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