Glass composition

Details Glass composition Glass composition

1992-07-27

1994-06-28

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 56, 501 57, 501 58, 501 59, 501 67, 501 69, 501 72, 501 73, C03C 3112

Patent

active

053246918

ABSTRACT:
The invention provides: a glass composition comprising about 20 to about 85% of SiO.sub.2, about 2 to about 75% of B.sub.2 O.sub.3, about 15% or less of Al.sub.2 O.sub.3, about 30% or less of at least one of Li.sub.2 O, Na.sub.2 O, K.sub.2 O, Rb.sub.2 O and Cs.sub.2 O, about 0.1 to about 10% of ZnO, about 10% or less, calculated as total amount in combination with ZnO, of at least one of MgO, CaO, BaO, SrO and PbO, about 10% or less of at least one of ZrO.sub.2, La.sub.2 O.sub.3, Y.sub.2 O.sub.3, Ta.sub.2 O.sub.3 and Gd.sub.2 O.sub.3, and about 0.05 to about 15% of at least one copper halide.

REFERENCES:
patent: 2651145 (1953-09-01), Stookey
patent: 3325299 (1967-06-01), Arauso
patent: 3954485 (1976-05-01), Seward, III et al.
patent: 4106946 (1978-08-01), Ritze
patent: 4222781 (1980-09-01), Morse et al.
patent: 4297142 (1981-10-01), Ritze
patent: 4303298 (1981-12-01), Yamashita
patent: 4374931 (1983-02-01), Courbin et al.
patent: 4556605 (1985-12-01), Mogami et al.
patent: 5024974 (1991-06-01), Nakamura et al.
Stanworth, Journal of the Society of Glass Technology, vol. 25, pp. 95-99 (1941).
Weyl, Coloured Glasses, pp. 433-435 (1951).
Skoog and West, "Fundamentals of Analytical Chemistry", (2d ed. 1969) pp. 634 and 640.

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