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US 2006/0223692 A1Published application
Electronic device, dielectric ceramic composition and the production method
AssigneeTDK Corporation
InventorsKazushige Ito, Akira Sato
Life of this patent
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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.
Claims10
A dielectric ceramic composition comprising a main component including barium titanate and an oxide of Al, wherein:
- said dielectric ceramic composition includes a plurality of dielectric particles;
- and
- concentration of Al in each of said dielectric particles becomes lower from a particle surface to inside thereof.
Dependencies are inferred from the claim text.