Optical glass, optical element and preformed body

Optical glass, optical element and preformed body

  • CN 101,993,195 A
  • Filed: 08/05/2010
  • Published: 03/30/2011
  • Est. Priority Date: 08/06/2009
  • Status: Active Application
First Claim
Patent Images

1. opticglass, it contains P, two or more at least alkali earth metal and more than one rare earth elements as cation constituent;

  • Contain O and F as anionic component;

    And have the specific refractory power below 1.65 more than 1.50, the Abbe number more than 60 below 77.

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