Capacitor component
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsMin Soo KIM, Jung Hyun AN, Yun KIM, Seung Yong LEE, Dong Chan SEO, Yu Ra SHIN, Jin Bok SHIN, Choong Seop JEON, Yun Jeong CHA
Life of this patent
Estimating the term…
Abstract
A capacitor component includes a body including a dielectric layer and an internal electrode layer, and an external electrode disposed on the body and connected to the internal electrode layer. The dielectric layer includes dielectric grains, at least a portion of the dielectric grains has a core-shell structure, and a shell of the core-shell structure contains a rare earth element having an average concentration of more than 0.5 at%.
Claims23
A capacitor component comprising:
- a body including a dielectric layer and an internal electrode layer;
- and
- an external electrode disposed on the body and connected to the internal electrode layer,
- wherein the dielectric layer includes dielectric grains,
- at least a portion of the dielectric grains has a core-shell structure, and
- a shell of the core-shell structure contains a rare earth element having an average concentration of more than 0.5 at%.
A capacitor component comprising:
- a body including a dielectric layer and an internal electrode layer;
- and
- an external electrode disposed on the body and connected to the internal electrode layer,
- wherein the dielectric layer includes dielectric grains, and
- at least a portion of the dielectric grains is surrounded by a wall including dysprosium (Dy) having an average concentration greater than 0.5 at%.
A method for producing a capacitor component comprising:
- mixing BaTiO3 and a metal acetate containing dysprosium (Dy) in a solvent, wherein the metal acetate is not dissolved in water;
- concentrating the mixture to prepare a base material powder;
- preparing a dielectric green sheet including the base material powder;
- printing a conductive paste on the dielectric green sheet;
- laminating a plurality of the printed dielectric green sheets;
- and
- sintering the laminate.
Dependencies are inferred from the claim text.