Electronic device, dielectric ceramic composition and the...

Details Electronic device, dielectric ceramic composition and the... Electronic device, dielectric ceramic composition and the...

2006-03-28

2008-10-21

Group, Karl E (Department: 1793)

Compositions: ceramic

Ceramic compositions

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

C361S321400, C428S404000

Reexamination Certificate

active

07439203

ABSTRACT:
A dielectric ceramic composition comprising a main component including barium titanate and an oxide of Al, wherein the dielectric ceramic composition includes a plurality of dielectric particles, concentration of Al in each of the dielectric particles becomes lower from a particle surface to inside thereof, and each of the dielectric particles has an Al non-dispersed region substantially not including Al at least at a center portion of the particle.

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