KR102762892B1 - 박막 커패시터 - Google Patents
박막 커패시터 Download PDFInfo
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- KR102762892B1 KR102762892B1 KR1020160171750A KR20160171750A KR102762892B1 KR 102762892 B1 KR102762892 B1 KR 102762892B1 KR 1020160171750 A KR1020160171750 A KR 1020160171750A KR 20160171750 A KR20160171750 A KR 20160171750A KR 102762892 B1 KR102762892 B1 KR 102762892B1
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- 239000003990 capacitor Substances 0.000 title claims abstract description 54
- 239000010409 thin film Substances 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 36
- 230000008018 melting Effects 0.000 claims abstract description 24
- 238000002844 melting Methods 0.000 claims abstract description 24
- 239000010410 layer Substances 0.000 claims description 171
- 239000010931 gold Substances 0.000 claims description 20
- 229910052737 gold Inorganic materials 0.000 claims description 12
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 11
- 239000011241 protective layer Substances 0.000 claims description 8
- 229910052741 iridium Inorganic materials 0.000 claims description 5
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims 1
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- 238000000034 method Methods 0.000 abstract description 8
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
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- 238000002161 passivation Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910020294 Pb(Zr,Ti)O3 Inorganic materials 0.000 description 2
- 229910052454 barium strontium titanate Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
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- 239000003989 dielectric material Substances 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 229910052721 tungsten Inorganic materials 0.000 description 1
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- 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
-
- 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
- H01G4/008—Selection of materials
-
- 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
- H01G4/008—Selection of materials
- H01G4/0085—Fried electrodes
-
- 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
-
- 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
- H01G4/224—Housing; Encapsulation
-
- 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
-
- 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
- H01G4/2325—Terminals electrically connecting two or more layers of a stacked or rolled capacitor characterised by the material of the 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
- H01G4/248—Terminals the terminals embracing or surrounding the capacitive element, e.g. caps
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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
- H01G4/33—Thin- or thick-film capacitors (thin- or thick-film circuits; capacitors without a potential-jump or surface barrier specially adapted for integrated circuits, details thereof, multistep manufacturing processes therefor)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- 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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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
샘플 |
전극층 종류 |
Cap@30kHz |
ESR |
△Cap |
△ESR |
비교예 1 |
단일 전극층 |
23.66 [nF] |
0.0765 [Ω] |
0.00% |
0.00% |
실시예 1 |
이종 전극층 |
23.65[nF] |
0.0510 [Ω] |
-0.06% |
-33.33% |
1: 바디
11: 유전체층
12: 제1 내부전극층
13: 제2 내부전극층
21, 22: 제1 및 제2 외부전극
3: 보호층
4: 부동태층
Claims (16)
- 유전체층, 제1 내부전극층, 및 제2 내부전극층을 포함하는 바디; 및
상기 바디의 상면 상에 배치되는 제1 외부전극과 제2 외부전극; 을 포함하고,
상기 제2 내부전극층은 상기 제1 내부전극층의 상면 및 하면을 커버하며, 상기 제1 내부전극층은 상기 유전체층과 접촉하지 않고,
상기 제1 내부전극층 내 포함되는 재료의 융점은 상기 제2 내부전극층 내 포함되는 재료의 융점보다 작은, 박막 커패시터.
- 제1항에 있어서,
상기 바디는 상기 유전체층, 상기 제1 및 제2 내부전극층으로 구성되는 적층 구조를 포함하며, 상기 적층 구조의 최하면은 상기 제1 내부전극층으로 구성된, 박막 커패시터.
- 제1항에 있어서,
상기 바디의 하면과 접하는 보호층을 더 포함하고, 상기 보호층은 상기 제1 내부전극층의 하면과 서로 접하는, 박막 커패시터.
- 제1항에 있어서,
상기 바디의 측면과 상면을 봉합하는 부동태층을 더 포함하며,
상기 부동태층은 상기 바디의 측면으로 노출되는 상기 제1 및 제2 내부전극층의 단부를 커버하는, 박막 커패시터.
- 제1항에 있어서,
상기 제2 내부전극층은 상기 유전체층의 하면 및 상기 제1 내부전극층의 상면과 접하거나, 상기 유전체층의 상면 및 상기 제1 내부전극층의 하면과 접하는, 박막 커패시터.
- 제1항에 있어서,
상기 유전체층은 2 개층 이상이 포함되며,
상기 유전체층과 그 유전체층과 가장 인접한 다른 유전체층 사이에는 적어도 3 층의 내부전극층이 포함되는, 박막 커패시터.
- 제6항에 있어서,
상기 유전체층들 사이에 배치되는 내부전극층들 중 상기 제1 내부전극층의 수는 상기 제2 내부전극층의 수보다 적은, 박막 커패시터.
- 제1항에 있어서,
상기 제1 외부전극은 제1 비아를 통해 복수의 상기 제1 내부전극층 중 적어도 하나와 전기적으로 연결되고, 상기 제2 외부전극은 제2 비아를 통해 복수의 상기 제2 내부전극층 중 적어도 하나와 전기적으로 연결되는, 박막 커패시터.
- 제8항에 있어서,
상기 제1 내부전극층의 상면의 전체 영역 중 상기 제2 내부전극층과 접하는 영역을 제외한 영역은 상기 제1 비아와 상기 제1 비아를 감싸는 절연 수지와 접하는, 박막 커패시터.
- 제8항에 있어서,
상기 제1 비아는 유전체층, 제1 내부전극층, 제2 내부전극층을 모두 관통하여 제1 내부전극층 중 가장 아래 배치되는 제1 내부전극층과 접하는, 박막 커패시터.
- 제8항에 있어서,
상기 제1 비아는 상기 제2 비아보다 더 깊게 연장되는, 박막 커패시터.
- 제1항에 있어서,
상기 제1 외부전극은 제1 연결 전극과 상기 제1 연결 전극 상에 배치되는 제1 전극 패드로 구성되는, 박막 커패시터.
- 제1항에 있어서,
상기 제2 외부전극은 제2 연결 전극과 상기 제2 연결 전극 상에 배치되는 제2 전극 패드로 구성되는, 박막 커패시터.
- 제1항에 있어서,
상기 제1 내부전극층 내 포함되는 재료의 도전율은 상기 제2 내부전극층 내 포함되는 재료의 도전율보다 큰, 박막 커패시터.
- 제1항에 있어서,
상기 제1 내부전극층 내 포함되는 재료는 금 (Au) 을 포함하는, 박막 커패시터.
- 제1항에 있어서,
상기 제2 내부전극층 내 포함되는 재료는 이리듐 (Ir)을 포함하는, 박막 커패시터.
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KR1020160171750A KR102762892B1 (ko) | 2016-12-15 | 2016-12-15 | 박막 커패시터 |
US15/675,446 US10629373B2 (en) | 2016-12-15 | 2017-08-11 | Thin film capacitor |
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KR1020160171750A KR102762892B1 (ko) | 2016-12-15 | 2016-12-15 | 박막 커패시터 |
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KR20180069507A KR20180069507A (ko) | 2018-06-25 |
KR102762892B1 true KR102762892B1 (ko) | 2025-02-07 |
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KR102712633B1 (ko) * | 2016-11-18 | 2024-10-02 | 삼성전기주식회사 | 박막 커패시터 |
JP2022073617A (ja) * | 2020-11-02 | 2022-05-17 | 株式会社村田製作所 | 積層セラミックコンデンサ |
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JP2011228462A (ja) * | 2010-04-19 | 2011-11-10 | Taiyo Yuden Co Ltd | 薄膜キャパシタ |
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US9076600B2 (en) | 2012-03-27 | 2015-07-07 | Tdk Corporation | Thin film capacitor |
KR20140011765A (ko) * | 2012-07-19 | 2014-01-29 | 삼성전기주식회사 | 초박막 커패시터 및 그 제조방법 |
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US20150103465A1 (en) * | 2013-10-11 | 2015-04-16 | Samsung Electro-Mechanics Co., Ltd. | Ultra thin film capacitor and manufacturing method thereof |
KR20160000753A (ko) * | 2014-06-25 | 2016-01-05 | 삼성전기주식회사 | 박막형 커패시터 소자 및 이의 제조 방법 |
JP6623569B2 (ja) * | 2014-07-23 | 2019-12-25 | Tdk株式会社 | 薄膜誘電体及び薄膜コンデンサ素子 |
JP6520085B2 (ja) * | 2014-12-05 | 2019-05-29 | Tdk株式会社 | 薄膜キャパシタ |
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2016
- 2016-12-15 KR KR1020160171750A patent/KR102762892B1/ko active Active
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US20040130849A1 (en) * | 2002-11-14 | 2004-07-08 | Kazuaki Kurihara | Layer capacitor element and production process as well as electronic device |
JP2008078299A (ja) * | 2006-09-20 | 2008-04-03 | Fujitsu Ltd | キャパシタ、その製造方法、および電子基板 |
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