Optical glass

Details Optical glass Optical glass

1978-05-08

1978-12-05

Vertiz, O. R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 54, 106 47Q, C03C 310, C03C 300

Patent

active

041284321

ABSTRACT:
An optical glass consisting basically of a B.sub.2 O.sub.3 -La.sub.2 O.sub.3 - ZrO.sub.2 -Nb.sub.2 O.sub.5 -PbO-BaO (and/or ZnO) system is free from a poisonous CdO or ThO.sub.2 component and has an excellent light transmission property in a transition region from an ultraviolet portion to a visible portion as compared with conventional optical glasses having the same optical properties.

REFERENCES:
patent: 3650780 (1972-03-01), Connelly
patent: 3879207 (1975-04-01), Hartman
patent: 3999996 (1976-12-01), Faulstich et al.
patent: 3999997 (1976-12-01), Faulstich et al.

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