CdO-ThO.sub.2 -Free, highly refractive optical glass

Details CdO-ThO.sub.2 -Free, highly refractive optical glass CdO-ThO.sub.2 -Free, highly refractive optical glass

1982-07-22

1984-03-27

Bell, Mark

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 76, 501 78, 501901, C03C 308, C03C 310

Patent

active

044395310

ABSTRACT:
CdO- and ThO-free, highly refractive optical glass having a refractive index of 1.85-2.05 and an Abbe index of 25-43, characterized by the following composition (in percent by weight):

REFERENCES:
patent: 3563773 (1971-02-01), Bromer et al.
patent: 3958999 (1976-05-01), Izumitani et al.
patent: 4120732 (1978-10-01), Komorita et al.
patent: 4128432 (1978-12-01), Komorita et al.
patent: 4213787 (1980-07-01), Faulstich et al.

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