Dielectric ceramic composition, electronic device and...

Details Dielectric ceramic composition, electronic device and... Dielectric ceramic composition, electronic device and...

2007-12-25

2007-12-25

Group, Karl E (Department: 1755)

Compositions: ceramic

Ceramic compositions

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

C428S210000, C428S701000, C428S702000

Reexamination Certificate

active

10540395

ABSTRACT:
A dielectric ceramic composition, comprising a main component including at least a dielectric oxide having a composition expressed by [(CaxSr1-x)O]m[(TiyZr1-y-zHfz)O2], a first subcomponent including a Mn oxide and/or an Al oxide and a glass component, wherein “m”, “x”, “y” and “z” indicating composition mole ratios in the formula included in the main component are in relationships of 0.90≦m≦1.04, preferably 1.005≦m≦1.025, 0.5≦x<1, preferably 0.6≦x≦0.9, 0.01≦y≦0.10, preferably 0.02≦y≦0.07 and 0<z≦0.20, preferably 0<z≦0.10.

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