Dielectric ceramic compositions and electronic devices

Details Dielectric ceramic compositions and electronic devices Dielectric ceramic compositions and electronic devices

2006-02-07

2006-02-07

Dinkins, Anthony (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

C361S311000, C501S137000, C501S138000, C501S139000

Reexamination Certificate

active

06995968

ABSTRACT:
In order to provide dielectric ceramic composition having low IR defect rate and high relative dielectric constant even when the multilayer ceramic capacitor is made thinner, dielectric ceramic composition including a main component expressed by a composition formula {{Ba(1-x)Cax}O}A{Ti(1-y-z)ZryMgz}BO2and subcomponents of Mn oxide, Y oxide, V oxide and Si oxide is provided. In the above formula, A, B, x, y and z are as follows: 0.995≦A/B≦1.020, 0.0001≦x≦0.07, preferably 0.001≦x<0.05, 0.1≦y≦0.3 and 0.0005≦z≦0.01, preferably 0.003≦z≦0.01.

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