JP2021013014A - 積層セラミックキャパシタ - Google Patents
積層セラミックキャパシタ Download PDFInfo
- Publication number
- JP2021013014A JP2021013014A JP2020078722A JP2020078722A JP2021013014A JP 2021013014 A JP2021013014 A JP 2021013014A JP 2020078722 A JP2020078722 A JP 2020078722A JP 2020078722 A JP2020078722 A JP 2020078722A JP 2021013014 A JP2021013014 A JP 2021013014A
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- Prior art keywords
- electrode
- multilayer ceramic
- internal
- main body
- ceramic capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003985 ceramic capacitor Substances 0.000 title claims abstract description 44
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 45
- 238000007747 plating Methods 0.000 claims description 35
- 229910052759 nickel Inorganic materials 0.000 claims description 19
- 238000010304 firing Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 26
- 238000000034 method Methods 0.000 description 17
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 12
- 239000010949 copper Substances 0.000 description 11
- 239000010936 titanium Substances 0.000 description 11
- 239000000919 ceramic Substances 0.000 description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 9
- 229910052763 palladium Inorganic materials 0.000 description 9
- 239000010931 gold Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000000758 substrate Substances 0.000 description 6
- 239000011575 calcium Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 3
- 229910002113 barium titanate Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910004762 CaSiO Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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 OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
- H01G4/302—Stacked capacitors obtained by injection of metal in cavities formed in a ceramic body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/02—Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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 OR LIGHT-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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 OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/252—Terminals the terminals being coated on the capacitive element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/38—Multiple capacitors, i.e. structural combinations of fixed capacitors
- H01G4/385—Single unit multiple capacitors, e.g. dual capacitor in one coil
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/236—Terminals leading through the housing, i.e. lead-through
Abstract
Description
210 本体
211、311 誘電体層
212、213 カバー部
250 識別部
221、222、321、322 内部電極
231、232、233、234、331、332、333、334 連結電極
241、242、243、244 外部電極
241a、242a、243a、244a 焼成電極
241b、242b、243b、244b 第1めっき層
241c、242c、243c、244c 第2めっき層
Claims (11)
- 誘電体層及び前記誘電体層を挟んで配置され、互いに点対称をなす第1内部電極及び第2内部電極を有する本体と、
前記誘電体層と直交する方向に本体を貫通して前記第1内部電極と連結される第1連結電極及び第2連結電極と、
前記誘電体層と直交する方向に本体を貫通して前記第2内部電極と連結される第3連結電極及び第4連結電極と、
前記本体の両面に配置され、前記第1連結電極と及び前記第2連結電極と連結される第1外部電極及び第2外部電極と、
前記第1外部電極及び第2外部電極と離隔し、前記第3連結電極及び前記第4連結電極と連結される第3外部電極及び第4外部電極と、を備え、
前記第1内部電極及び前記第2内部電極は、電極未形成領域を含む、積層セラミックキャパシタ。 - 前記第1内部電極及び前記第2内部電極はT字状である、請求項1に記載の積層セラミックキャパシタ。
- 前記第1内部電極及び前記第2内部電極の電極未形成領域は四角形状である、請求項1または2に記載の積層セラミックキャパシタ。
- 前記第1内部電極及び前記第2内部電極の電極未形成領域はラウンド状である、請求項1または2に記載の積層セラミックキャパシタ。
- 前記第1連結電極及び前記第2連結電極は、前記第2内部電極の電極未形成領域を貫通し、
前記第3連結電極及び前記第4連結電極は、前記第1内部電極の電極未形成領域を貫通する、請求項1から4のいずれか一項に記載の積層セラミックキャパシタ。 - 前記第1内部電極及び前記第2内部電極はニッケルを含む、請求項1から5のいずれか一項に記載の積層セラミックキャパシタ。
- 前記第1外部電極から前記第4外部電極はニッケルを含む焼成電極である、請求項1から6のいずれか一項に記載の積層セラミックキャパシタ。
- 前記第1外部電極から前記第4外部電極は、中心線平均粗さ(Ra)が1nm〜100nmの範囲内である、請求項1から7のいずれか一項に記載の積層セラミックキャパシタ。
- 前記第1外部電極から前記第4外部電極は、焼成電極上に順次積層された第1めっき層及び第2めっき層を含む、請求項1から8のいずれか一項に記載の積層セラミックキャパシタ。
- 前記第1外部電極から前記第4外部電極の厚さは、1um〜10umの範囲内である、請求項1から9のいずれか一項に記載の積層セラミックキャパシタ。
- 前記本体は、厚さが100um以下である、請求項1から10のいずれか一項に記載の積層セラミックキャパシタ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2019-0081079 | 2019-07-05 | ||
KR1020190081079A KR20190116124A (ko) | 2019-07-05 | 2019-07-05 | 적층 세라믹 커패시터 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021013014A true JP2021013014A (ja) | 2021-02-04 |
JP7476652B2 JP7476652B2 (ja) | 2024-05-01 |
Family
ID=68171739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020078722A Active JP7476652B2 (ja) | 2019-07-05 | 2020-04-27 | 積層セラミックキャパシタ |
Country Status (3)
Country | Link |
---|---|
US (3) | US11309131B2 (ja) |
JP (1) | JP7476652B2 (ja) |
KR (1) | KR20190116124A (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102333086B1 (ko) | 2019-08-19 | 2021-12-01 | 삼성전기주식회사 | 적층 세라믹 커패시터 |
KR20190116122A (ko) * | 2019-07-04 | 2019-10-14 | 삼성전기주식회사 | 적층 세라믹 커패시터 |
KR20190116124A (ko) * | 2019-07-05 | 2019-10-14 | 삼성전기주식회사 | 적층 세라믹 커패시터 |
US11961880B2 (en) * | 2021-05-06 | 2024-04-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | Metal-insulator-metal structure |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
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US6829135B2 (en) * | 2000-04-14 | 2004-12-07 | Matsushita Electric Industrial Co., Ltd. | Layered product, capacitor, electronic component and method and apparatus manufacturing the same |
JP4167231B2 (ja) | 2005-01-13 | 2008-10-15 | Tdk株式会社 | 積層コンデンサ、及び、積層コンデンサの等価直列抵抗調整方法 |
KR20060134277A (ko) | 2005-06-22 | 2006-12-28 | 삼성전기주식회사 | 내장형 상하전극 적층부품 및 그의 제조 방법 |
JP2010123613A (ja) | 2008-11-17 | 2010-06-03 | Murata Mfg Co Ltd | セラミック電子部品及びセラミック電子部品の実装構造 |
JP5404312B2 (ja) * | 2009-07-29 | 2014-01-29 | 京セラ株式会社 | 電子装置 |
KR20130037485A (ko) | 2011-10-06 | 2013-04-16 | 삼성전기주식회사 | 적층 세라믹 커패시터 및 이의 제조방법 |
KR101474065B1 (ko) | 2012-09-27 | 2014-12-17 | 삼성전기주식회사 | 적층 칩 전자부품, 그 실장 기판 및 포장체 |
KR101376839B1 (ko) | 2012-10-12 | 2014-03-20 | 삼성전기주식회사 | 적층 세라믹 커패시터 |
KR101376921B1 (ko) | 2012-12-11 | 2014-03-20 | 삼성전기주식회사 | 적층 세라믹 커패시터 및 그 제조방법 |
KR101497192B1 (ko) | 2012-12-27 | 2015-02-27 | 삼성전기주식회사 | 전자부품 내장 인쇄회로기판 및 그 제조방법 |
US9460855B2 (en) | 2013-10-01 | 2016-10-04 | Samsung Electro-Mechanics Co., Ltd. | Multilayer ceramic capacitor and board having the same |
KR101548813B1 (ko) * | 2013-11-06 | 2015-08-31 | 삼성전기주식회사 | 적층 세라믹 커패시터 |
KR20150118385A (ko) | 2014-04-14 | 2015-10-22 | 삼성전기주식회사 | 적층 세라믹 커패시터, 그 제조 방법 및 그 실장 기판 |
US9881739B2 (en) * | 2014-09-30 | 2018-01-30 | Murata Manufacturing Co., Ltd. | Multilayer ceramic capacitor |
KR101771824B1 (ko) * | 2015-12-30 | 2017-08-25 | 삼성전기주식회사 | 적층형 커패시터 및 그 실장 기판 |
KR101792381B1 (ko) * | 2016-01-04 | 2017-11-01 | 삼성전기주식회사 | 전자부품 및 그 제조방법 |
KR20180007865A (ko) * | 2016-07-14 | 2018-01-24 | 삼성전기주식회사 | 적층형 커패시터 및 그 실장 기판 |
KR101867982B1 (ko) | 2016-07-20 | 2018-06-18 | 삼성전기주식회사 | 커패시터 및 그 실장 기판 |
KR102620535B1 (ko) * | 2016-09-06 | 2024-01-03 | 삼성전기주식회사 | 적층형 커패시터 및 그 실장 기판 |
JP2018049883A (ja) * | 2016-09-20 | 2018-03-29 | 株式会社村田製作所 | 積層セラミック電子部品 |
CN115472431A (zh) | 2019-07-04 | 2022-12-13 | 三星电机株式会社 | 多层陶瓷电容器 |
KR20190116124A (ko) * | 2019-07-05 | 2019-10-14 | 삼성전기주식회사 | 적층 세라믹 커패시터 |
KR20190116126A (ko) | 2019-07-05 | 2019-10-14 | 삼성전기주식회사 | 적층 세라믹 커패시터 |
-
2019
- 2019-07-05 KR KR1020190081079A patent/KR20190116124A/ko not_active Application Discontinuation
-
2020
- 2020-04-22 US US16/855,272 patent/US11309131B2/en active Active
- 2020-04-27 JP JP2020078722A patent/JP7476652B2/ja active Active
-
2021
- 2021-12-09 US US17/546,385 patent/US11682529B2/en active Active
-
2022
- 2022-03-18 US US17/698,415 patent/US11657979B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20210005392A1 (en) | 2021-01-07 |
US11309131B2 (en) | 2022-04-19 |
US11682529B2 (en) | 2023-06-20 |
US11657979B2 (en) | 2023-05-23 |
US20220208476A1 (en) | 2022-06-30 |
US20220102080A1 (en) | 2022-03-31 |
KR20190116124A (ko) | 2019-10-14 |
JP7476652B2 (ja) | 2024-05-01 |
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