Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1992-06-22
1993-09-21
Group, Karl
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 46, 501 47, 501 48, C03C 316
Patent
active
052468925
ABSTRACT:
Faraday rotation glass having a practically sufficiently large Verdet's constant, which contains 60 to 75 mol % of P.sub.2 O.sub.5, 10 to 20 mol % of Tb.sub.2 O.sub.3 and 10 to 25 mol % of K.sub.2 O and having substantially no platinum inclusion.
REFERENCES:
patent: 4075120 (1978-02-01), Myers et al.
patent: 4165989 (1979-08-01), Asahara
patent: 4875920 (1989-10-01), Myers
Kasuga Tomoko
Toratani Hisayoshi
Yanagita Hiroaki
Group Karl
Hoya Corporation
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