Fluoroborosilicate glass

Details Fluoroborosilicate glass Fluoroborosilicate glass

1988-12-02

1989-09-19

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 37, 501 77, 501903, C03C 1304

Patent

active

048681415

ABSTRACT:
There are disclosed fluoroborosilicate glasses that are particularly adapted to being drawn with lead silicate core glasses to produce clad glass fibers useful in forming fiber optic bundles to be incorporated in night vision equipment. The cladding glass has a refractive index not over about 1.45 and a coefficient of thermal expansion not over about 120.times.10.sup.-7 /.degree.C. The clad fiber has a numerical aperture approximating or equal to one.

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patent: 3671380 (1972-06-01), Evanston et al.
patent: 3764354 (1973-10-01), Ritze et al.
patent: 3784386 (1974-01-01), Araujo et al.
patent: 4023953 (1977-05-01), Megles, Jr. et al.
patent: 4102693 (1978-07-01), Owen et al.
patent: 4275951 (1981-06-01), Beales et al.

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