Dielectric ceramic composition and multilayer ceramic part

Details Dielectric ceramic composition and multilayer ceramic part Dielectric ceramic composition and multilayer ceramic part

2007-04-17

2007-04-17

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

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

Reexamination Certificate

active

11167094

ABSTRACT:
A dielectric ceramic composition containing a dielectric component represented by the compositional formula a.Li2O-b.(CaO1-x—SrOx)-c.R2O3-d.TiO2(wherein x satisfies 0≦x<1; R is at least one selected from rare-earth elements; and a, b, c and d satisfy 0≦a≦20 mol %, 0 ≦b≦45 mol %, 0<c≦20 mol %, 40≦d≦80 mol % and a+b+c+d=100 mol %). The composition, after being fired, shows the presence of a main phase having a perovskite structure and an acicular phase containing a rare-earth element.

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