Patent ID: 7265071

Claim:
A dielectric ceramic composition characterized as containing a dielectric material which contains: a dielectric composition represented by the compositional formula a.Li 2 O-b.(CaO 1-x —SrO x )-c.R 2 O 3 -d.TiO 2 (wherein x satisfies 0≦x<1; R is at least one selected from La, Y and other rare-earth metals; and a, b, c and d satisfy 0<a≦20 mol %, 0≦b≦45 mol %, 0<c≦20 mol % and 40≦d≦80 mol %); Bi 2 O 3 ; and at least one of oxides of Group 4 and Group 14 metallic elements of the Periodic Table, wherein said metallic oxide is at least one selected from SiO 2 , GeO 2 , ZrO 2 , and HfO 2 .