Low temperature fired dielectric ceramic composition with...

Details Low temperature fired dielectric ceramic composition with... Low temperature fired dielectric ceramic composition with...

H - Electricity

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G

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H01G 4/12 (2006.01) C04B 35/468 (2006.01)

Patent

CA 1256689

Abstract: The invention provides a dielectric ceramic composition suitable for forming ceramic capacitors. The composition consists essentially of from about 91.6 to about 95.5 weight percent barium titanate, from about 0.91 to about 1.49 weight percent niobium pentoxide, from about 0.18 to about 0.31 weight percent cobalt oxide, from about 1.04 to about 1.87 weight percent bismuth trioxide, from about 0.68 to about 1.23 weight percent titanium dioxide, from about 0.67 to about 1.20 weight percent lead oxide, from about 0.26 to about 0.46 weight percent boron oxide, from about 0.82 to about 1.49 weight percent zinc oxide, and from 0 to about 0.11 weight percent manganese dioxide. The composition has improved temperature characteristics when fired at a temperature not exceeding 1150°C.

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