Dielectric ceramic composition and multilayer ceramic capacitor containing the same
A BaTiO3-based dielectric ceramic composition with controlled dysprosium and praseodymium content improves insulation resistance and dielectric constant, solving reliability issues in ultra-small multilayer ceramic capacitors.
JP7885481B2Inactive Publication Date: 2026-07-07SAMSUNG ELECTRO MECHANICS CO LTD
Patent Information
- Application Number
- JP2020104114
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2019-07-24
- Filing Date
- 2020-06-16
- Publication Date
- 2026-07-07
- Estimated Expiration
- Not applicable · inactive patent
Smart Images

Figure 0007885481000002 
Figure 0007885481000003 
Figure 0007885481000004
Abstract
To provide a dielectric ceramic composition, capable of improving reliability, and a multilayer ceramic capacitor including the same.SOLUTION: According to one embodiment of the invention, there is provided a dielectric ceramic composition which includes a BaTiO3-based base material main ingredient and an accessory ingredient, the accessory ingredient including dysprosium (Dy) and praseodymium (Pr) as first accessory ingredients, wherein a content of the Pr satisfies 0.233 mol%≤Pr≤0.699 mol%, based on 100 mol% of the base material main ingredient, and is also provided a multilayer ceramic capacitor including the dielectric ceramic composition.SELECTED DRAWING: Figure 3
Need to check novelty before this filing date? Find Prior Art
Citation Information
Patent Citations
Barium titanate-based surface oxide layer ceramic capacitor dielectric material and preparation method thereof
CN102093052A
Ceramic capacitor and manufacture thereof
JP1993217795A
Dielectric ceramic and laminated ceramic capacitor
JP2010024086A
Dielectric ceramic, process for producing the same, and laminated ceramic capacitor
WO2006117996A1
