Ion exchangeable glass having low thermal expansion

Details Ion exchangeable glass having low thermal expansion Ion exchangeable glass having low thermal expansion

1975-12-02

1977-07-26

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 54, 106 47Q, C03C 310, C03C 2100

Patent

active

040380904

ABSTRACT:
For producing gradient refractive index optical components having substantially no internal stress, there is provided for the ion exchange step glass of the following composition

REFERENCES:
patent: 3486808 (1969-12-01), Hamblen
patent: 3533888 (1970-10-01), Eppler et al.
patent: 3898093 (1975-08-01), Faulstich et al.
patent: 3954487 (1976-05-01), Gliemeroth et al.

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