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US 12,643,825 B2Granted
Dielectric composition and multilayer ceramic electronic device
AssigneeTDK Corporation
InventorsToshihiro Iguchi, Takeshi Shouji, Kenichiro Masuda
Life of this patent
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Abstract
A dielectric composition includes dielectric particles and segregation phases. The dielectric particles each include Ca and/or Sr. The segregation phases each include Mn, Si, O, and at least one selected from Ca and Sr.
Claims18
A dielectric composition comprising:
- dielectric particles each including Ca and/or Sr;
- segregation phases each including Mn, Si, O, and at least one selected from Ca and Sr.
A dielectric composition comprising:
- dielectric particles each including Ca and/or Sr;
- segregation phases each including Mn, Si, O, and at least one selected from Ca and Sr,
- wherein a content rate of the segregation phases is 0.05 pieces/μm2 or more and 0.5 pieces/μm2 or less.
A dielectric composition comprising:
- dielectric particles each including Ca and/or Sr;
- segregation phases each including Mn, Si, O, and at least one selected from Ca and Sr,
- wherein an average particle size of the segregation phases is 0.05 μm or more and 1.00 μm or less.
Dependencies are inferred from the claim text.