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Photovoltaic module package

  • US 9,701,567 B2
  • Filed: 04/24/2014
  • Issued: 07/11/2017
  • Est. Priority Date: 04/29/2013
  • Status: Active Grant
First Claim
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1. A glass comprising, in mol %:

  • 70-77 SiO2 4.5-10.5 Al2O3 >

    0-5 B2O3 3-5 MgO>

    0-5 CaO0-5 SrO1.8-11.8 Na2O0-3 ZnO0-6 K2O3<

    R′

    O≦

    12, and7≦

    R2O≦

    13,wherein R′

    O=MgO+CaO+SrO+BaO, R2O=Na2O+K2O, the glass has a Na release greater than 10 ppm in a buffered aqueous release test, a total Na+K release of less than 30 ppm in a buffered aqueous release test, a Tmargin=Tbreakdown

    T35kp>

    10°

    C., and a strain point greater than 565°

    C.

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