Dielectric ceramic composition

Details Dielectric ceramic composition Dielectric ceramic composition

1987-01-16

1989-05-09

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

501134, 501135, 501136, 501138, C04B 3546

Patent

active

048290327

ABSTRACT:
A dielectric ceramic composition suitable for use in microwave regions including a mixture of 15-25 mol % of BaO and 85-75 mol % of TiO.sub.2, and Ba(Ni.sub.1/3 Ta.sub.2/3)O.sub.3 in an amount of less than 0.2% based on the weight of the mixture. The ceramic composition may further include one or more metal oxides selected from La.sub.2 O.sub.3, Sb.sub.2 O.sub.3, Fe.sub.2 O.sub.3 and Ta.sub.2 O.sub.5 in an amount of 0.1-1.2% based on the weight of said mixture.

REFERENCES:
patent: Re29484 (1977-11-01), Utsumi et al.
patent: 3464785 (1969-09-01), Galasso
patent: 4468472 (1984-08-01), Kashima et al.
patent: 4550089 (1985-10-01), Ayusawa et al.
patent: 4699891 (1987-10-01), Sato et al.
O'Bryan, Jr. et al., "A New BaO-TiO.sub.2 Compound with Temperature Stable High Permittivity and Low Microwave Loss," Journal of the American Ceramic Society, vol. 57, No. 10, pp. 450-453, Oct. 1974.

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