Chemically stable optical glass

Details Chemically stable optical glass Chemically stable optical glass

1975-07-18

1976-07-20

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 47Q, C03C 310, C03C 308, C03C 304

Patent

active

039704661

ABSTRACT:
Optical glass, nd = 1.650 .+-. 2 .times. 10.sup..sup.-3 and vd = 55.5 .+-. 1.0, having a high chemical stability and a sufficiently low tendency toward crystallization that it can be manufactured in a continuous tank melting process into gobs, pressed components, and other formed articles as a mass-produced glass, said glass consisting essentially of, in percent by weight:

REFERENCES:
patent: 3740242 (1973-06-01), Faulstich et al.

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