JP2014038820A - 内部電極用導電性ペースト組成物及びこれを含む積層セラミック電子部品 - Google Patents
内部電極用導電性ペースト組成物及びこれを含む積層セラミック電子部品 Download PDFInfo
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- JP2014038820A JP2014038820A JP2012231112A JP2012231112A JP2014038820A JP 2014038820 A JP2014038820 A JP 2014038820A JP 2012231112 A JP2012231112 A JP 2012231112A JP 2012231112 A JP2012231112 A JP 2012231112A JP 2014038820 A JP2014038820 A JP 2014038820A
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- chromium
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- 239000000203 mixture Substances 0.000 title claims abstract description 27
- 239000000919 ceramic Substances 0.000 title claims description 74
- 239000000843 powder Substances 0.000 claims abstract description 141
- 229910052751 metal Inorganic materials 0.000 claims abstract description 81
- 239000002184 metal Substances 0.000 claims abstract description 81
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 54
- 239000010941 cobalt Substances 0.000 claims abstract description 54
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000002844 melting Methods 0.000 claims abstract description 20
- 230000008018 melting Effects 0.000 claims abstract description 20
- 239000011651 chromium Substances 0.000 claims description 111
- 229910052804 chromium Inorganic materials 0.000 claims description 58
- 239000002245 particle Substances 0.000 claims description 15
- 239000000956 alloy Substances 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 238000005245 sintering Methods 0.000 abstract description 28
- 239000003985 ceramic capacitor Substances 0.000 abstract description 23
- 238000010304 firing Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 239000003870 refractory metal Substances 0.000 description 7
- 239000004020 conductor Substances 0.000 description 5
- 239000010953 base metal Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000012461 cellulose resin Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002003 electrode paste Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 229940116411 terpineol Drugs 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/12—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on chromium oxide
-
- 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
- H01G4/30—Stacked capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/008—Thermistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Capacitors (AREA)
- Conductive Materials (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
【解決手段】本発明の一実施形態による内部電極用導電性ペースト組成物は、金属粉末と、上記金属粉末より融点の高いクロム(Cr)又はコバルト(Co)粉末と、を含み、内部電極の焼成収縮温度を高くし、内部電極の連結性を向上させることができる。
【選択図】図3
Description
積層セラミックキャパシタの電極連結性は、内部電極の一端面における内部電極の全長さに対する空隙を除いた内部電極の長さの比を計算した値で、下記の基準で評価してその結果を下記表1に示した。
◎:最良(電極連結性が85%以上)
○:良好(電極連結性が75%以上〜85%未満)
×:不良(電極連結性が75%未満)
◎:最良(基準に適したチップの個数が85個以上)
○:良好(基準に適したチップの個数が75個以上〜85個未満)
×:不良(基準に適したチップの個数が75個未満)
111 誘電体層
121、122 内部電極
131、132 外部電極
11 セラミック粉末
21 金属粉末
22 高融点クロム(Cr)又はコバルト(Co)粉末
22a 内部電極の界面に形成された高融点クロム(Cr)又はコバルト(Co)粉末で形成された金属層
Claims (12)
- 金属粉末と、
前記金属粉末より融点の高いクロム(Cr)又はコバルト(Co)粉末と
を含む、導電性ペースト組成物。 - 前記クロム(Cr)又はコバルト(Co)粉末の含量は前記金属粉末100重量部に対して1から20重量部である、請求項1に記載の導電性ペースト組成物。
- 前記金属粉末はNi、Mn、Cr、Co、Al及びこれらの合金からなる群から選択される一つ以上である、請求項1または2に記載の導電性ペースト組成物。
- 前記金属粉末は平均粒径が50から400nmである、請求項1から3の何れか1項に記載の導電性ペースト組成物。
- 前記クロム(Cr)又はコバルト(Co)粉末は平均粒径が10から100nmである、請求項1から4の何れか1項に記載の導電性ペースト組成物。
- セラミック素体と、
前記セラミック素体の内部に形成される内部電極層と
を含み、
前記内部電極層の内部には前記内部電極層を形成する金属粉末より融点の高いクロム(Cr)又はコバルト(Co)粉末がトラップされる、積層セラミック電子部品。 - 前記内部電極層の界面にクロム(Cr)又はコバルト(Co)粉末で形成された金属層が存在する、請求項6に記載の積層セラミック電子部品。
- 前記クロム(Cr)又はコバルト(Co)粉末は一部が酸化された形態である、請求項6または7に記載の積層セラミック電子部品。
- 前記金属粉末はNi、Mn、Cr、Co、Al及びこれらの合金からなる群から選択される一つ以上である、請求項6から8の何れか1項に記載の積層セラミック電子部品。
- 前記クロム(Cr)又はコバルト(Co)粉末の含量は前記金属粉末100重量部に対して1から20重量部である、請求項6から9の何れか1項に記載の積層セラミック電子部品。
- 前記金属粉末は平均粒径が50から400nmである、請求項6から10の何れか1項に記載の積層セラミック電子部品。
- 前記クロム(Cr)又はコバルト(Co)粉末は平均粒径が10から100nmである、請求項6から11の何れか1項に記載の積層セラミック電子部品。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2012-0090689 | 2012-08-20 | ||
KR1020120090689A KR20140024584A (ko) | 2012-08-20 | 2012-08-20 | 내부전극용 도전성 페이스트 조성물 및 이를 포함하는 적층 세라믹 전자부품 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2014038820A true JP2014038820A (ja) | 2014-02-27 |
Family
ID=50099423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012231112A Pending JP2014038820A (ja) | 2012-08-20 | 2012-10-18 | 内部電極用導電性ペースト組成物及びこれを含む積層セラミック電子部品 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20140048750A1 (ja) |
JP (1) | JP2014038820A (ja) |
KR (1) | KR20140024584A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016192477A (ja) * | 2015-03-31 | 2016-11-10 | Tdk株式会社 | 積層セラミック電子部品 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102217288B1 (ko) * | 2018-08-16 | 2021-02-19 | 삼성전기주식회사 | 적층 세라믹 전자부품 및 그 제조방법 |
KR102147408B1 (ko) * | 2018-08-23 | 2020-08-24 | 삼성전기주식회사 | 적층 세라믹 전자부품 및 그 제조방법 |
KR20210012444A (ko) * | 2019-07-25 | 2021-02-03 | 삼성전기주식회사 | 적층 세라믹 전자부품 및 이의 제조방법 |
KR20220068567A (ko) * | 2020-11-19 | 2022-05-26 | 삼성전기주식회사 | 적층형 전자 부품 |
JP2023050840A (ja) * | 2021-09-30 | 2023-04-11 | 太陽誘電株式会社 | セラミック電子部品およびその製造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5588272A (en) * | 1978-12-26 | 1980-07-03 | Matsushita Electric Ind Co Ltd | Method for producing cell electrode substrate |
JPS60240116A (ja) * | 1984-05-14 | 1985-11-29 | 京セラ株式会社 | 積層型磁器コンデンサ |
JPS61158122A (ja) * | 1984-12-29 | 1986-07-17 | 太陽誘電株式会社 | 導電ペ−スト |
JP2001284162A (ja) * | 2000-03-31 | 2001-10-12 | Kyocera Corp | 導電性ペーストおよび積層型電子部品並びにその製法 |
JP2001307941A (ja) * | 2000-04-21 | 2001-11-02 | Shoei Chem Ind Co | 端子電極ペーストおよび積層セラミックコンデンサの製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3286651B2 (ja) * | 1993-12-27 | 2002-05-27 | 株式会社住友金属エレクトロデバイス | セラミック多層配線基板およびその製造法並びにセラミック多層配線基板用導電材料 |
JP3137035B2 (ja) * | 1997-05-26 | 2001-02-19 | 昭栄化学工業株式会社 | ニッケル粉末及びその製造方法 |
CN1252755C (zh) * | 2002-10-14 | 2006-04-19 | 清华大学 | 温度稳定型的贱金属内电极多层陶瓷电容器介电材料 |
JP4513981B2 (ja) * | 2005-03-31 | 2010-07-28 | Tdk株式会社 | 積層セラミック電子部品及びその製造方法 |
JP4697539B2 (ja) * | 2005-12-07 | 2011-06-08 | 昭栄化学工業株式会社 | ニッケル粉末、導体ペーストおよびそれを用いた積層電子部品 |
WO2007083811A1 (ja) * | 2006-01-23 | 2007-07-26 | Hitachi Metals, Ltd. | 導体ペースト、多層セラミック基板及び多層セラミック基板の製造方法 |
DE112007002960T5 (de) * | 2006-12-19 | 2009-12-31 | Murata Mfg. Co., Ltd., Nagaokakyo-shi | Mehrschichtverbindungsplatine |
JP5297011B2 (ja) * | 2007-07-26 | 2013-09-25 | 太陽誘電株式会社 | 積層セラミックコンデンサ及びその製造方法 |
-
2012
- 2012-08-20 KR KR1020120090689A patent/KR20140024584A/ko not_active Application Discontinuation
- 2012-10-18 JP JP2012231112A patent/JP2014038820A/ja active Pending
- 2012-10-25 US US13/660,583 patent/US20140048750A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5588272A (en) * | 1978-12-26 | 1980-07-03 | Matsushita Electric Ind Co Ltd | Method for producing cell electrode substrate |
JPS60240116A (ja) * | 1984-05-14 | 1985-11-29 | 京セラ株式会社 | 積層型磁器コンデンサ |
JPS61158122A (ja) * | 1984-12-29 | 1986-07-17 | 太陽誘電株式会社 | 導電ペ−スト |
JP2001284162A (ja) * | 2000-03-31 | 2001-10-12 | Kyocera Corp | 導電性ペーストおよび積層型電子部品並びにその製法 |
JP2001307941A (ja) * | 2000-04-21 | 2001-11-02 | Shoei Chem Ind Co | 端子電極ペーストおよび積層セラミックコンデンサの製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016192477A (ja) * | 2015-03-31 | 2016-11-10 | Tdk株式会社 | 積層セラミック電子部品 |
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US20140048750A1 (en) | 2014-02-20 |
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