Dielectric ceramic composition and electronic device

Details Dielectric ceramic composition and electronic device Dielectric ceramic composition and electronic device

2011-08-30

2011-08-30

Group, Karl E (Department: 1731)

Compositions: ceramic

Ceramic compositions

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

C501S138000, C361S321400

Reexamination Certificate

active

08008222

ABSTRACT:
The present invention relates to a dielectric ceramic composition comprisinga main component expressed by a general formula:in-line-formulae description="In-line Formulae" end="lead"?(Ba1-x-ySrxCay)m(Ti1-zZrz)O3,in-line-formulae description="In-line Formulae" end="tail"?a first subcomponent comprising Mg oxide,a second subcomponent comprising at least one kind of oxide selected from oxides of Mn and Cr,a third subcomponent comprising R oxide (note R is selected at least one kind from Y, La Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho and Yb), anda fourth subcomponent comprising an oxide including Si.

REFERENCES:
patent: 7273825 (2007-09-01), Muto et al.
patent: U-5-61998 (1993-08-01), None

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