Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1990-06-06
1991-12-17
Group, Karl
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 56, 501 57, 501 58, 501 61, 501 64, 501 65, 501 74, 501 75, 501 78, 252478, C03C 3102
Patent
active
050735241
ABSTRACT:
Cerium-doped radiation-shielding glasses in the system of SiO.sub.2 -PbO-alkali metal oxides, with a high absorption coefficient for high-energy X-ray and/or gamma- and, respectively, neutron radiation which are resistant to discoloration and exhibit a discharge stability of >5.times.10.sup.8 rad, consist essentially of (in % by weight)
REFERENCES:
patent: 3725093 (1973-04-01), Savner
patent: 4174490 (1979-11-01), Van Erk et al.
patent: 4366252 (1982-12-01), Weaver
patent: 4520115 (1985-05-01), Speit et al.
Group Karl
Schott Glaswerke
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