Ceramic electronic component having a dielectric with secondary phases, method of manufacturing ceramic electronic component, and method of producing dielectric powder
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsTae Yoon Kim, Joo Young Kim, Won Hyeong Kim, Hyung Sub Woo, Hyung Joon Jeon, Young Bin Jeong
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Abstract
A ceramic electronic component includes: a body including dielectric layers and internal electrodes; and external electrodes disposed on the body and connected to the internal electrodes, wherein the dielectric layer includes a plurality of first secondary phases, the first secondary phase is a secondary phase including Ni, Mg, Al, Si, and O, and at least one of the plurality of first secondary phases has a ratio of a major axis length to a minor axis length of 4 or more.
Claims20
A ceramic electronic component comprising:
- a body including dielectric layers and internal electrodes;
- and
- external electrodes disposed on the body and connected to the internal electrodes,
- wherein at least one of the dielectric layers includes first secondary phases,
- the first secondary phases consist of a secondary phase including Ni, Mg, Al, Si, and O, and
- at least one of the first secondary phases has a ratio of a major axis length to a minor axis length of 10 or more.
A ceramic electronic component comprising:
- a body including dielectric layers and internal electrodes stacked in a first direction;
- and
- external electrodes disposed on surfaces of the body opposing in a second direction and connected to the internal electrodes,
- wherein at least one of the dielectric layers includes first secondary phases,
- the first secondary phases consist of a secondary phase including Ni, Mg, Al, Si, and O, and
- a ratio of an area occupied by the first secondary phases in a 10 μm×10 μm region located in a central portion of a cross section of the body cut along the first and second directions is more than 0.5%,
- wherein the at least one of the dielectric layers further includes dielectric grains, and a coefficient of variation (CV) value of a dielectric grain size is 0.21% or less.
Dependencies are inferred from the claim text.