Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Patent
1983-06-16
1984-11-27
McCarthy, Helen M.
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
361321, 501135, 501138, 501139, C04B 3546
Patent
active
044851812
ABSTRACT:
Dielectric ceramic composition containing by weight, 33% to 40% of PbTiO.sub.3 ; 6% to 35% of SrTiO.sub.3 ; 3% to 18% of CaTiO.sub.3 ; 0.5% to 10% of MgTiO.sub.3 ; 6% to 26% of Bi.sub.2 O.sub.3 ; 3% to 15% of TiO.sub.2 ; 0.2% to 4% of ZnO; 0.2% to 5% of Nb.sub.2 O.sub.5 ; 0.1% to 4% of CeO.sub.2 and 0.1% to 2% of Al.sub.2 O.sub.3.
REFERENCES:
patent: 3268783 (1966-08-01), Saburi
patent: 3410705 (1968-11-01), Honma
patent: 3869398 (1975-03-01), Yamaoka et al.
patent: 3951873 (1976-04-01), Kikuchi et al.
patent: 4226735 (1980-10-01), Sakabe
patent: 4379854 (1983-04-01), Soong
patent: 4388416 (1983-06-01), Sakabe
McCarthy Helen M.
Murata Manufacturing Co. Ltd.
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