Sintered ceramic dielectric body

Details Sintered ceramic dielectric body Sintered ceramic dielectric body

1975-09-16

1977-11-15

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 46, 106 732, 252 635, C04B 3500, C04B 3546

Patent

active

040584046

ABSTRACT:
A sintered ceramic dielectric body is provided which exhibits a high dielectric constant as well as a low dielectric loss and almost no variation in the dielectric constant and the dielectric loss with respect to a wide variation of an applied high AC or DC voltage, respectively. The ceramic dielectric composition consists essentially, by weight, of approximately 18 to 70% of strontium titanate (SrTiO.sub.3), approximately 4 to 75% of barium titanate (BaTiO.sub.3), 2.5 to 17.4% of bismuth oxide (Bi.sub.2 O.sub.3) and 1.7 to approximately 20% of titanium oxide (TiO.sub.2); the ratio by mole of the titanium oxide (TiO.sub.2) to the bismuth oxide (Bi.sub.2 O.sub.3) being within the range from approximately 1 to 18.

REFERENCES:
patent: 2469584 (1949-05-01), Wainer
patent: 2992929 (1961-07-01), Clement
patent: 3279947 (1966-10-01), Kaiser
patent: 3352697 (1967-11-01), Fujiwara
patent: 3529978 (1970-09-01), Taylor
patent: 3609483 (1971-09-01), Smyly
patent: 3775142 (1973-11-01), Roup

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