Fluoride glass

Details Fluoride glass Fluoride glass

1987-02-27

1988-08-02

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 37, 501904, C03C 332, C03C 410, C03C 1304

Patent

active

047613874

ABSTRACT:
A fluoride glass comprising AlF.sub.3, ZrF.sub.4 and/or HfF.sub.4, and at least one compound selected from CaF.sub.2, SrF.sub.2 and BaF.sub.2, and a fluoride glass comprising these components and at least one additional component selected from MgF.sub.2, YF.sub.3, NaF and other like compounds have the advantages that there hardly occurs crystallization in the production thereof, and that they are excellent in chemical durability, high in surface hardness, so that they can ideally serve as glass to be used for low loss optical fiber, infrared optical fiber for thermometer, infrared laser window, etc.

REFERENCES:
patent: 4308066 (1981-12-01), Mitachi et al.
patent: 4346176 (1982-08-01), Kanamori et al.

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