Moldable fluorophosphate glasses containing Nb.sub.2 O.sub.5

Details Moldable fluorophosphate glasses containing Nb.sub.2 O.sub.5 Moldable fluorophosphate glasses containing Nb.sub.2 O.sub.5

1982-10-28

1984-02-21

McCarthy, Helen M.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 48, 501901, 501903, C03C 316, C03C 318

Patent

active

044330626

ABSTRACT:
The present invention is directed to fluorophosphate glasses containing about 3-21.5% Nb.sub.2 O.sub.5 and exhibiting softening points below 500.degree. C. The inventive glasses contemplate two general composition areas in weight percent:

REFERENCES:
patent: 3954484 (1976-05-01), Broemer et al.
patent: 3979322 (1976-09-01), Alexeev et al.
patent: 4225459 (1980-09-01), Faulstich et al.
patent: 4261751 (1981-04-01), Nakamura et al.
patent: 4380163 (1983-05-01), Kodama
Galant; V. E. et al. "Methods of Producing Fluorphosphate Flints" Soviet J. of Optical Technology.

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