Near infrared light absorption glass, element and light filter

Near infrared light absorption glass, element and light filter

  • CN 102,603,187 A
  • Filed: 02/17/2012
  • Published: 07/25/2012
  • Est. Priority Date: 02/17/2012
  • Status: Active Application
First Claim
Patent Images

1. near infrared light heat absorbing glass;

  • It is characterized in that;

    When the thickness of said near infrared light heat absorbing glass is 1mm, show greater than 80%, show greater than 85% in wavelength 500nm transsmissivity in wavelength 400nm transsmissivity;

    The crystallization ceiling temperature of said near infrared light heat absorbing glass is below 650 ℃

    , and said near infrared light heat absorbing glass contains the P that useful cation form shows 5+, Al 3+, Li +, R 2+And Cu 2+, said R 2+Represent Mg 2+, Ca 2+, Sr 2+And Ba 2+, and R 2+Content is 30-65%, contains the O that useful anion form shows simultaneously 2-And F -

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