Fluorine-free phosphate glasses

Details Fluorine-free phosphate glasses Fluorine-free phosphate glasses

C - Chemistry, Metallurgy

03

C

C03C 3/16 (2006.01) C03C 3/17 (2006.01) G02B 1/00 (2006.01)

Patent

CA 2045196

Abstract of the Disclosure This invention is drawn particularly to the production of glasses having essentially fluorine-free compositions consisting essentially, in mole percent, of: Li2O 5-10 P2O5 30-36 Na2O 5-15 Al2O3 0-5 K2O 0-6 CeO2 0-2 Li2O+Na2O+K2O 15-25 SnO 0-20 ZnO 10-33 PbO 0-20 CaO 0-20 Sb2O3 0-12 SrO 0-20 Bi2O3 0-6 BaO 0-20 SnO+PbO+Sb2O3+Bi2O3 0-20. CaO+SrO+BaO 12-25

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