KR20200099059A - 적층 세라믹 커패시터 - Google Patents
적층 세라믹 커패시터 Download PDFInfo
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- KR20200099059A KR20200099059A KR1020190078903A KR20190078903A KR20200099059A KR 20200099059 A KR20200099059 A KR 20200099059A KR 1020190078903 A KR1020190078903 A KR 1020190078903A KR 20190078903 A KR20190078903 A KR 20190078903A KR 20200099059 A KR20200099059 A KR 20200099059A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
- H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
- H01G4/1218—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates
- H01G4/1227—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates based on alkaline earth titanates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
- H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/012—Form of non-self-supporting electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
- H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
- H01G4/1236—Ceramic dielectrics characterised by the ceramic dielectric material based on zirconium oxides or zirconates
- H01G4/1245—Ceramic dielectrics characterised by the ceramic dielectric material based on zirconium oxides or zirconates containing also titanates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
- H01G4/1272—Semiconductive ceramic capacitors
- H01G4/1281—Semiconductive ceramic capacitors with grain boundary layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
도 2는 도 1의 I-I' 단면도이다.
도 3은 도 2의 'P' 영역 확대도이다.
도 4 및 도 5는 본 발명의 실시예에 따른 TEM (Transmission Electron Microscope) 분석 사진이다.
도 6 및 도 7은 본 발명의 비교예에 따른 TEM (Transmission Electron Microscope) 분석 사진이다.
| 시료 번호 | 그레인 바운더리에서의 함유비율 [wt%, %] | 특성 | ||||||
| Si | Ni | Ti | Si/Ni (%) | Ni/Ti (%) | BDV산포 | 고온IR산포 | DC-bias 변화율 | |
| 1* | 1.3 | 1.5 | 18 | 87% | 8.30% | △ | X | 40%미만 |
| 2* | 1.4 | 1.5 | 14.5 | 93% | 10.30% | △ | X | 40%이상 |
| 3 | 1.7 | 0.8 | 18.4 | 213% | 4.30% | ○ | ○ | 40%미만 |
| 4 | 2.1 | 0.6 | 21 | 350% | 2.90% | ○ | ○ | 40%미만 |
| 5 | 2.2 | 0.4 | 15 | 550% | 2.70% | ○ | ○ | 40%미만 |
| 6 | 2.4 | 0.5 | 19 | 480% | 2.60% | ○ | ○ | 40%미만 |
| 7 | 2.8 | 0.6 | 20 | 467% | 3.00% | ○ | ○ | 40%미만 |
| 8 | 3 | 0.8 | 19.4 | 375% | 4.10% | ○ | ○ | 40%미만 |
| 9* | 3.5 | 0.5 | 19.6 | 700% | 2.60% | X | △ | 40%미만 |
| 10 | 3.4 | 0.7 | 20.1 | 486% | 3.50% | ○ | ○ | 40%미만 |
| 11* | 3.8 | 0.6 | 20 | 633% | 3.00% | X | △ | 40%미만 |
| 12 | 3.7 | 0.7 | 20.2 | 529% | 3.50% | ○ | ○ | 40%미만 |
| 13 | 4 | 1.5 | 15 | 267% | 10.00% | ○ | ○ | 40%미만 |
| 14 | 1.5 | 1.4 | 20.6 | 107% | 6.80% | ○ | ○ | 40%미만 |
| 15 | 4.5 | 0.9 | 20.8 | 500% | 4.30% | ○ | ○ | 40%미만 |
| 16* | 5.2 | 1.8 | 14.7 | 289% | 12.20% | ○ | △ | 40%이상 |
| 17* | 5.1 | 0.7 | 21.2 | 729% | 3.30% | X | △ | 40%미만 |
| 18* | 6.2 | 1 | 15.2 | 626% | 6.50% | X | △ | 40%미만 |
110: 세라믹 바디
111: 유전체층
121, 122: 제 1 및 제 2 내부 전극
131, 132: 제 1 및 제 2 외부 전극
Claims (10)
- 유전체층 및 내부 전극을 가지는 세라믹 바디를 포함하고,
상기 유전체층은 유전체 그레인을 포함하고, 상기 유전체 그레인 중 적어도 2개 이상의 유전체 그레인 사이에는 그레인 바운더리가 존재하며,
상기 그레인 바운더리에서의 Si/Ni 비율이 1 내지 6을 만족하는 적층 세라믹 커패시터.
- 제 1항에 있어서,
상기 Ni는 Si와 함께 비정질 상태로 포함되는 적층 세라믹 커패시터.
- 제 1항에 있어서,
상기 유전체 그레인의 크기는 0.1 내지 0.3 um 인 적층 세라믹 커패시터.
- 제 1항에 있어서,
상기 그레인 바운더리의 두께는 0.7 내지 1.5 nm 인 적층 세라믹 커패시터.
- 제 1항에 있어서,
상기 그레인 바운더리에서의 Ni/Ti 비율이 0.1 이하인 적층 세라믹 커패시터.
- 제 1항에 있어서,
상기 유전체 그레인은 코어(core)-쉘(shell) 구조를 가지는 적층 세라믹 커패시터.
- 제 1 항에 있어서, 상기 유전체층의 두께는 1 um 이하인 적층 세라믹 커패시터.
- 제 1항에 있어서,
상기 내부 전극은 상기 유전체층을 사이에 두고 서로 대향하도록 배치되는 제 1 내부 전극 및 제 2 내부 전극을 포함하는 적층 세라믹 커패시터.
- 제 8항에 있어서,
상기 세라믹 바디의 외측에 배치되되, 상기 제 1 내부 전극과 전기적으로 연결되는 제 1 외부 전극 및 상기 제 2 내부 전극과 전기적으로 연결되는 제 2 외부 전극을 포함하는 적층 세라믹 커패시터.
- 제 1항에 있어서,
상기 세라믹 바디는 용량이 형성되는 액티브부와 상기 액티브부의 상부 및 하부에 형성된 커버부를 포함하는 적층 세라믹 커패시터.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/721,607 US11201012B2 (en) | 2019-02-13 | 2019-12-19 | Multi-layered ceramic capacitor |
| JP2019230251A JP7184446B2 (ja) | 2019-02-13 | 2019-12-20 | 積層セラミックキャパシタ |
| CN202210306320.4A CN114582628A (zh) | 2019-02-13 | 2020-02-07 | 多层陶瓷电容器 |
| CN202010082253.3A CN111564310B (zh) | 2019-02-13 | 2020-02-07 | 多层陶瓷电容器 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20190016771 | 2019-02-13 | ||
| KR1020190016771 | 2019-02-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200099059A true KR20200099059A (ko) | 2020-08-21 |
| KR102351180B1 KR102351180B1 (ko) | 2022-01-17 |
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| KR1020190078903A Active KR102351180B1 (ko) | 2019-02-13 | 2019-07-01 | 적층 세라믹 커패시터 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11201012B2 (ko) |
| JP (1) | JP7184446B2 (ko) |
| KR (1) | KR102351180B1 (ko) |
| CN (2) | CN111564310B (ko) |
Cited By (1)
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|---|---|---|---|---|
| US12374492B2 (en) | 2022-07-05 | 2025-07-29 | Samsung Electro-Mechanics Co., Ltd. | Multilayer electronic component and method of manufacturing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102351180B1 (ko) * | 2019-02-13 | 2022-01-17 | 삼성전기주식회사 | 적층 세라믹 커패시터 |
| US20200402720A1 (en) * | 2019-06-20 | 2020-12-24 | Intel Corporation | Embedded thin film capacitor with nanocube film and process for forming such |
| KR102603410B1 (ko) | 2019-06-28 | 2023-11-17 | 가부시키가이샤 무라타 세이사쿠쇼 | 적층형 전자부품 및 적층형 전자부품의 제조 방법 |
| KR102433617B1 (ko) | 2019-06-28 | 2022-08-18 | 가부시키가이샤 무라타 세이사쿠쇼 | 적층형 전자부품 및 적층형 전자부품의 제조 방법 |
| KR102523255B1 (ko) * | 2019-06-28 | 2023-04-19 | 가부시키가이샤 무라타 세이사쿠쇼 | 적층형 전자부품 |
| KR102806645B1 (ko) * | 2019-12-23 | 2025-05-13 | 교세라 가부시키가이샤 | 콘덴서 |
| JP7363732B2 (ja) * | 2020-09-30 | 2023-10-18 | 株式会社村田製作所 | 積層セラミックコンデンサ |
| US11694846B2 (en) * | 2020-11-10 | 2023-07-04 | Samsung Electro-Mechanics Co., Ltd. | Multilayer ceramic electronic component |
| KR102881785B1 (ko) * | 2020-11-19 | 2025-11-04 | 삼성전기주식회사 | 적층형 전자 부품 |
| US11699552B2 (en) * | 2020-12-31 | 2023-07-11 | Samsung Electro-Mechanics Co., Ltd. | Multilayer ceramic electronic component |
| KR102842070B1 (ko) * | 2021-01-21 | 2025-08-04 | 삼성전기주식회사 | 세라믹 전자 부품 |
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2019
- 2019-07-01 KR KR1020190078903A patent/KR102351180B1/ko active Active
- 2019-12-19 US US16/721,607 patent/US11201012B2/en active Active
- 2019-12-20 JP JP2019230251A patent/JP7184446B2/ja active Active
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2020
- 2020-02-07 CN CN202010082253.3A patent/CN111564310B/zh active Active
- 2020-02-07 CN CN202210306320.4A patent/CN114582628A/zh active Pending
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| CN111564310B (zh) | 2022-04-12 |
| US20200258684A1 (en) | 2020-08-13 |
| JP7184446B2 (ja) | 2022-12-06 |
| CN114582628A (zh) | 2022-06-03 |
| JP2020136663A (ja) | 2020-08-31 |
| CN111564310A (zh) | 2020-08-21 |
| US11201012B2 (en) | 2021-12-14 |
| KR102351180B1 (ko) | 2022-01-17 |
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