Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Patent
1984-12-14
1986-04-29
McCarthy, Helen M.
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
C04B 3500
Patent
active
045857458
ABSTRACT:
A dielectric ceramic composition, which has a high dielectric constant, low loss and stable temperature characteristics suited for the microwave frequency range, is obtained by the present invention. The dielectric ceramic composition according to the present invention is expressed as (Ba.sub.x Sr.sub.1-x)(Ni.sub.1/3 Nb.sub.2/3)O.sub.3 and with a mole fraction range of 0.ltoreq.x<1.
REFERENCES:
patent: 2961327 (1960-11-01), Goodman
patent: 4319485 (1982-03-01), Terada et al.
Mizuno Fumio
Tunooka Tutomu
McCarthy Helen M.
NGK Spark Plug Co.
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