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US 11,776,748 B2Granted
Dielectric ceramic composition and multilayer ceramic capacitor comprising the same
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsHyoung Uk Kim, Seung In Baik, Hyung Soon Kwon, Ji Hong Jo
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Abstract
A dielectric ceramic composition and a multilayer ceramic capacitor including the same are provided. The dielectric ceramic composition includes a BaTiO3-based base material main ingredient and an accessory ingredient, where the accessory ingredient includes dysprosium (Dy) and niobium (Nb) as first accessory ingredients. A total content of the Dy and Nb is greater than 0.2 mol and less than or equal to 1.5 mol based on 100 mol of titanium (Ti) of the base material main ingredient.
Claims8
A multilayer ceramic capacitor, comprising:
- a ceramic body comprising dielectric layers and first and second internal electrodes disposed to face each other with respective dielectric layers interposed therebetween;
- and
- a first external electrode and a second external electrode disposed on external surfaces of the ceramic body, the first external electrode being connected to the first internal electrode and the second external electrode being connected to the second internal electrode,
- wherein the dielectric layers comprise dielectric grains comprising a dielectric ceramic composition,
- the dielectric ceramic composition comprises a barium titanate (BaTiO3)-based base material main ingredient and an accessory ingredient,
- the accessory ingredient comprising dysprosium (Dy) and niobium (Nb) as first accessory ingredients,
- wherein a total content of the Dy and Nb is greater than 0.2 mol and less than or equal to 1.5 mol based on 100 mol of titanium (Ti) of the barium titanate-based base material main ingredient, and
- wherein a thickness of at least one of the dielectric layers is 0.4 μm or less.
5 more elements
Dependencies are inferred from the claim text.