Glass for the production of optical elements with refractive ind

Details Glass for the production of optical elements with refractive ind Glass for the production of optical elements with refractive ind

1978-11-07

1979-12-04

Vertiz, O. R.

Stock material or miscellaneous articles

Surface property or characteristic of web, sheet or block

Surface modified glass

106 47Q, 106 52, 106 53, 106 54, C03C 2100, C03C 304

Patent

active

041773195

ABSTRACT:
An optical quality glass composition suitable for the production of optical elements with a refractive index gradient delta n of at least 100.times.10.sup.-4 by utilizing an ion exchange, consisting essentially of the following synthesis composition, in % by weight:

REFERENCES:
patent: 3357876 (1967-12-01), Rinehart
patent: 3428513 (1969-02-01), Denman
patent: 3464806 (1969-09-01), Seki et al.
patent: 3464880 (1969-09-01), Rinehart
patent: 3790430 (1974-02-01), Mochel
patent: 3959000 (1976-05-01), Nakagawa et al.

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