High index glasses

Details High index glasses High index glasses

1995-06-07

1996-06-11

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 63, 501 73, 501903, C03C 3095, C03C 3097, C03C 400

Patent

active

055255540

ABSTRACT:
This invention is directed to the production of glasses essentially free of Nb.sub.2 O.sub.5, and having refractive index close to 1.7, an Abbe number of about 35 and a density close to 3.2. The glasses consist essentially in weight percent on the oxide basis, of

REFERENCES:
patent: 4055435 (1977-10-01), Sagara
patent: 4149895 (1979-04-01), Boudot et al.
patent: 4179300 (1979-12-01), Sagara
patent: 5320985 (1994-06-01), Enomoto

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