Halide glass

Details Halide glass Halide glass

1988-10-12

1989-07-04

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

048450570

ABSTRACT:
The fluoride glass of the present invention, which contains, as anions, a small amount of chlorine in addition to fluorine, has advantages such as (1) it is less liable to crystallize as compared with a fluoride glass containing no chlorine and yet shows substantially no deterioration in chemical durability and mechanical strength due to chlorine inclusion and (2) its refractive index can easily be changed by changing the addition amount of chlorine.

REFERENCES:
patent: 4308066 (1981-12-01), Mitachi et al.
patent: 4346176 (1982-08-01), Kanamori et al.
patent: 4761387 (1988-08-01), Tokida et al.

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