Capacitor component and method for manufacturing same
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsJong Hoon Yoo, Su Been Kim, Kyung Ryul Lee, Jong Suk Jeong, Chun Hee Seo, Dong Geon Yoo, Hyung Jun Kong
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Abstract
According to an aspect of the present disclosure, 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, wherein the body further includes a withstand voltage layer disposed in a region spaced apart by more than 0 to 30 nm or less in a direction from a boundary of the internal electrode layer toward the dielectric layer, and having ionic mobility, lower than ionic mobility of the dielectric layer.
Claims21
A capacitor component comprising:
- a body including a dielectric layer and a plurality of internal electrode layers alternately disposed with each other, with the dielectric layer interposed therebetween;
- and
- an external electrode disposed on the body and connected to the plurality of internal electrode layers,
- wherein the dielectric layer has a central region, an upper region disposed above the central region and spaced apart by more than 0 to 30 nm or less in a direction from a boundary with the internal electrode layers to the central region, and a lower region disposed below the central region, and
- wherein ionic mobility of the upper region of the dielectric layer is lower than ionic mobility of the central region of the dielectric layer.
A method of manufacturing a capacitor component comprising:
- forming a dielectric green sheet;
- forming at least one of ZnO and In2O3 on one surface of the dielectric green sheet by sputtering;
- and
- applying a conductive paste to the dielectric green sheet.
A method of manufacturing a capacitor component comprising:
- forming a dielectric green sheet having dielectric ceramic particles including barium (Ba) and titanium (Ti);
- and
- applying a conductive paste including conductive powder and ceramic particles including barium (Ba) and titanium (Ti) to the dielectric green sheet,
- wherein the ceramic particles have a composition in which at least a portion of titanium (Ti) is substituted with at least one of tin (Sn) and zirconium (Zr).
A capacitor component comprising:
- a body including a dielectric layer and a plurality of internal electrode layers alternately disposed with each other, with the dielectric layer interposed therebetween;
- and
- an external electrode disposed on the body and connected to the plurality of internal electrode layers,
- wherein the dielectric layer has a first region and a second region, the second region disposed between the first region and at least one of the plurality of internal electrode layers, and the second region extends from the at least one of the plurality of internal electrode layers by more than 0 to 30 nm or less in a direction from a boundary with the internal electrode layers to the first region, and
- wherein the second region of the dielectric layer comprises at least one of Zn and In, and
- wherein ionic mobility of the second region of the dielectric layer is lower than ionic mobility of the first region of the dielectric layer.
A capacitor component comprising:
- a body including a dielectric layer and a plurality of internal electrode layers alternately disposed with each other, with the dielectric layer interposed therebetween;
- and
- an external electrode disposed on the body and connected to the plurality of internal electrode layers,
- wherein the dielectric layer has a first region and a second region, the second region disposed between the first region and at least one of the plurality of internal electrode layers, and the second region extends from the at least one of the plurality of internal electrode layers by more than 0 to 30 nm or less in a direction from a boundary with the internal electrode layers to the first region,
- wherein the second region of the dielectric layer comprises dielectric ceramic particles in which at least a portion of titanium (Ti) is substituted with at least one of tin (Sn) and zirconium (Zr), and
- wherein ionic mobility of the second region of the dielectric layer is lower than ionic mobility of the first region of the dielectric layer.
Dependencies are inferred from the claim text.