KR102584993B1 - 커패시터 부품 및 그 제조방법 - Google Patents
커패시터 부품 및 그 제조방법 Download PDFInfo
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Abstract
Description
도 2는 도 1의 I-I`선 단면도이다.
도 3은 도 2의 A 부분을 확대하여 나타낸 도면이다.
도 4는 본 발명에 따른 실시예와 비교예의 DC bias 거동을 비교한 그래프이다.
110: 바디
121, 122: 내부 전극
111: 유전체층
111a, 111c: 보호층
111b: 복합층
131, 132: 외부 전극
M: 금속 입자
Claims (14)
- 복수의 유전체층 및 복수의 내부 전극이 교대로 적층된 바디; 및
상기 바디에 배치되고, 상기 내부 전극과 연결되는 외부 전극;을 포함하며,
상기 유전체층은 유전체 및 금속 입자를 포함하는 복합층 및 상기 복합층을 사이에 두고 배치되며 유전체를 포함하는 제1 및 제2 보호층을 포함하고,
상기 제1 및 제2 보호층의 두께는 각각 상기 유전체층 두께의 1/3 이상인 커패시터 부품.
- 제1항에 있어서,
상기 복합층의 두께는 400nm 이상이고, 상기 유전체층 두께의 1/3 이하인 커패시터 부품.
- 제1항에 있어서,
상기 금속 입자는 니켈(Ni), 팔라듐(Pd), 백금(Pt), 이리듐(Ir), 금(Au) 및 셀레늄(Se) 중 하나 이상인 커패시터 부품.
- 제1항에 있어서,
상기 금속 입자의 크기는 5 내지 600nm인 커패시터 부품.
- 제1항에 있어서,
상기 금속 입자는 상기 복합층의 2~8 부피%로 포함되어 있는 커패시터 부품.
- 제1항에 있어서,
상기 유전체는 티탄산바륨(BaTiO3)인 커패시터 부품.
- 제1항에 있어서,
상기 제1 및 제2 보호층은 금속 입자를 포함하지 않는 커패시터 부품.
- 유전체 분말을 포함하는 보호층용 페이스트를 준비하는 단계;
유전체 분말 및 금속 입자를 포함하는 복합층용 페이스트를 준비하는 단계;
지지 기재 상에 상기 보호층용 페이스트를 도포하여 제1 보호층을 형성하고, 상기 제1 보호층 상에 상기 복합층용 페이스트를 도포하여 복합층을 형성한 후, 상기 복합층 상에 상기 보호층용 페이스트를 도포하여 제2 보호층을 형성하여 유전체 시트를 준비하는 단계;
상기 유전체 시트 상에 도전성 페이스트를 도포하여 내부 전극을 인쇄하는 단계;
상기 내부 전극이 인쇄된 유전체 시트를 복수 개 적층하고 소성하여 바디를 형성하는 단계; 및
상기 바디에 상기 내부 전극과 연결되는 외부 전극을 형성하는 단계;를 포함하고,
상기 제1 및 제2 보호층의 두께는 각각 상기 유전체 시트 두께의 1/3 이상인 커패시터 부품의 제조방법.
- 제8항에 있어서,
상기 금속 입자는 니켈(Ni), 팔라듐(Pd), 백금(Pt), 이리듐(Ir), 금(Au) 및 셀레늄(Se) 중 하나 이상인 커패시터 부품의 제조방법.
- 제8항에 있어서,
상기 유전체 분말은 티탄산바륨(BaTiO3)인 커패시터 부품의 제조방법.
- 제1항에 있어서,
상기 복합층은 서로 대향하는 일 면과 타 면을 포함하며, 상기 제1 보호층은 상기 복합층의 일 면과 접하고, 상기 제2 보호층은 상기 복합층의 타 면과 접하는 커패시터 부품.
- 제1항에 있어서,
상기 제1 및 제2 보호층은 각각 상이한 내부 전극과 접하는 커패시터 부품.
- 제8항에 있어서,
상기 복합층은 서로 대향하는 일 면과 타 면을 포함하며, 상기 제1 보호층은 상기 복합층의 일 면과 접하고, 상기 제2 보호층은 상기 복합층의 타 면과 접하는 커패시터 부품의 제조방법.
- 제8항에 있어서,
상기 제1 및 제2 보호층은 각각 상이한 내부 전극과 접하는 커패시터 부품의 제조방법.
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KR1020180015658A KR102584993B1 (ko) | 2018-02-08 | 2018-02-08 | 커패시터 부품 및 그 제조방법 |
US16/123,929 US10600573B2 (en) | 2018-02-08 | 2018-09-06 | Capacitor component and method of manufacturing the same |
JP2018167310A JP7180844B2 (ja) | 2018-02-08 | 2018-09-06 | キャパシタ部品及びその製造方法 |
CN201811311539.3A CN110136959A (zh) | 2018-02-08 | 2018-11-06 | 电容器组件及制造该电容器组件的方法 |
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KR102584993B1 true KR102584993B1 (ko) | 2023-10-05 |
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WO2022168446A1 (ja) * | 2021-02-02 | 2022-08-11 | 株式会社村田製作所 | 無機粒子含有ペースト、無機粒子含有膜、及び積層体 |
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- 2018-09-06 US US16/123,929 patent/US10600573B2/en active Active
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