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US 12,614,671 B2Granted
Dielectric ceramic composition and single layer capacitor
AssigneeTDK Corporation
InventorsKazuya Muto, Shinichi Sasaki, Akira Sato
Life of this patent
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Abstract
A dielectric ceramic composition includes main component grains having a perovskite structure represented by a formula AMO3. “A” includes Ba. “M” includes Ti. D50 of the main component grains is 960 nm or less. D90 of the main component grains is 1460 nm or less.
Claims8
A dielectric ceramic composition comprising main component grains having a perovskite structure represented by a formula AMO3, wherein
- “A” includes Ba;
- “M” includes Ti;
- D50 of the main component grains is 960 nm or less;
- D90 of the main component grains is 1460 nm or less;
- the dielectric ceramic composition includes a first subcomponent;
- the first subcomponent includes Fe and Mn;
- and
- the molar ratio (Mn/(Fe+Mn)) of Mn to the total of Fe and Mn in terms of the metal elements is 0.18 to 0.65.
5 more elements
Dependencies are inferred from the claim text.