High dielectric constant type ceramic composition consisting ess

Details High dielectric constant type ceramic composition consisting ess High dielectric constant type ceramic composition consisting ess

1979-04-06

1980-08-05

Pitlick, Harris A.

Compositions

Electrolytes for electrical devices

106 395, 252 635, H01B 312

Patent

active

042161029

ABSTRACT:
A novel ceramic composition exhibiting a solid solution structure of Pb(Fe.sub.1/2 Nb.sub.1/2)O.sub.3 --Pb(Mg.sub.1/3 Nb.sub.2/3)O.sub.3, can be sintered at a low sintering temperature; have a high insulation resistance; have a relatively high dielectric constant in the high dielectric type ceramic dielectrics, and; have a low dielectric loss.
A particular amount of the additives, i.e., pb(Mn.sub.1/2 W.sub.1/2)O.sub.3, Pb(Mn.sub.1/3 Nb.sub.2/3)O.sub.3, MnO, Pb(Mn.sub.1/3 Ta.sub.2/3)O.sub.3 Li.sub.2 O, Cr.sub.2 O.sub.3 and CeO.sub.2, is added into the composition mentioned above.

REFERENCES:
patent: 2805165 (1957-09-01), Goodman
patent: 3116262 (1963-12-01), Goodman
patent: 3464785 (1969-09-01), Galasso
patent: 3600652 (1971-08-01), Riley
patent: 3666665 (1972-05-01), Chapman et al.
patent: 4078938 (1978-03-01), Yonezawa et al.
Yonezawa et al., "Properties of Pb(Fe.sub.2/3 W.sub.1/3)O.sub.3 -Pb(Fe.sub.1/2 Nb.sub.1/2)O.sub.3 Ceramics", Proc. of the 1st Meeting on Ferroelectric Materials and Their Applications.

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