JP2011195347A - 誘電体磁器組成物及び温度補償用積層コンデンサ - Google Patents
誘電体磁器組成物及び温度補償用積層コンデンサ Download PDFInfo
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- JP2011195347A JP2011195347A JP2010061237A JP2010061237A JP2011195347A JP 2011195347 A JP2011195347 A JP 2011195347A JP 2010061237 A JP2010061237 A JP 2010061237A JP 2010061237 A JP2010061237 A JP 2010061237A JP 2011195347 A JP2011195347 A JP 2011195347A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 51
- 239000000203 mixture Substances 0.000 title claims abstract description 28
- 239000003990 capacitor Substances 0.000 title claims abstract description 23
- 239000010953 base metal Substances 0.000 claims abstract description 14
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 17
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 10
- 230000006866 deterioration Effects 0.000 abstract description 14
- 229910008651 TiZr Inorganic materials 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000000843 powder Substances 0.000 description 24
- 238000002156 mixing Methods 0.000 description 20
- 239000002994 raw material Substances 0.000 description 18
- 230000002950 deficient Effects 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000635 electron micrograph Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 239000001856 Ethyl cellulose Substances 0.000 description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000007606 doctor blade method Methods 0.000 description 2
- 229920001249 ethyl cellulose Polymers 0.000 description 2
- 235000019325 ethyl cellulose Nutrition 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229940116411 terpineol Drugs 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 101150027751 Casr gene Proteins 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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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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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B35/49—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 zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates
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- H01G4/002—Details
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- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
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Abstract
【解決手段】主成分を(CaxSr1−x)(TiyZr1−y)O3と表したときに、0≦x≦1かつ0≦y≦0.50である主成分と、副成分として、主成分100モル部に対し、SiO2を0.5モル部以上、15モル部以下、MnOを0.1モル部以上、10モル部以下含み、さらにAl2O3を0.01モル部以上、0.079モル部以下の割合で含む、誘電体磁器組成物。
【選択図】なし
Description
有する誘電体磁器組成物を焼成して得られたセラミックスを用いた積層コンデンサにおける高湿度下のIRの経時による低下を抑制すべく鋭意検討した結果、上記のように、主成分100モル部に対し、SiO2及びMnOを特定の割合で配合し、さらにAl2O3を0.01モル部以上、0.079モル部以下の割合で配合することにより、上記課題を達成し得ることを見いだし、本発明をなすに至った。特に、信頼性を高める作用を有すると考えられるAl2O3を、0.079モル部以下と非常に低い割合で配合すれば、逆に耐湿負荷寿命を長くし得ることを見出した。Al2O3の配合割合を上記のように少なくしたことにより、耐湿負荷によるIRの劣化を抑制し得るのは、以下の理由によると考えられる。
2…セラミック焼結体
2a,2b…端面
3a〜3d…内部電極
4,5…外部電極
Claims (2)
- 主成分を(CaxSr1−x)(TiyZr1−y)O3と表したときに、0≦x≦1かつ0≦y≦0.50である主成分と、
副成分として、主成分100モル部に対し、SiO2を0.5モル部以上、15モル部以下、MnOを0.1モル部以上、10モル部以下含み、さらにAl2O3を0.01モル部以上、0.079モル部以下の割合で含む、誘電体磁器組成物。 - 請求項1に記載の誘電体磁器組成物からなる焼結体と、該焼結体内に配置されており、卑金属からなる内部電極とを備える温度補償用積層コンデンサ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010061237A JP5158113B2 (ja) | 2010-03-17 | 2010-03-17 | 誘電体磁器組成物及び温度補償用積層コンデンサ |
CN2011100591915A CN102199037A (zh) | 2010-03-17 | 2011-03-09 | 电介体瓷器组合物及温度补偿用层叠电容器 |
TW100108380A TWI422551B (zh) | 2010-03-17 | 2011-03-11 | 介電質瓷器組合物及溫度補償用積層電容器 |
KR1020110022355A KR101469128B1 (ko) | 2010-03-17 | 2011-03-14 | 유전체 자기 조성물 및 온도 보상용 적층 콘덴서 |
US13/050,039 US8472161B2 (en) | 2010-03-17 | 2011-03-17 | Dielectric ceramic composition and temperature compensation laminated capacitor |
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Application Number | Priority Date | Filing Date | Title |
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JP2010061237A JP5158113B2 (ja) | 2010-03-17 | 2010-03-17 | 誘電体磁器組成物及び温度補償用積層コンデンサ |
Publications (2)
Publication Number | Publication Date |
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JP2011195347A true JP2011195347A (ja) | 2011-10-06 |
JP5158113B2 JP5158113B2 (ja) | 2013-03-06 |
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Application Number | Title | Priority Date | Filing Date |
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JP2010061237A Active JP5158113B2 (ja) | 2010-03-17 | 2010-03-17 | 誘電体磁器組成物及び温度補償用積層コンデンサ |
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Country | Link |
---|---|
US (1) | US8472161B2 (ja) |
JP (1) | JP5158113B2 (ja) |
KR (1) | KR101469128B1 (ja) |
CN (1) | CN102199037A (ja) |
TW (1) | TWI422551B (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012099193A1 (ja) * | 2011-01-21 | 2012-07-26 | 株式会社村田製作所 | 積層セラミックコンデンサおよび積層セラミックコンデンサの製造方法 |
JP2015195352A (ja) * | 2014-03-27 | 2015-11-05 | 株式会社村田製作所 | 積層セラミックコンデンサ |
JP2016108231A (ja) * | 2014-12-08 | 2016-06-20 | サムソン エレクトロ−メカニックス カンパニーリミテッド. | 誘電体磁器組成物及びこれを含む積層セラミックキャパシタ |
KR20170081986A (ko) * | 2016-01-05 | 2017-07-13 | 삼성전기주식회사 | 유전체 조성물 및 이를 포함하는 적층 세라믹 커패시터 |
JPWO2016136772A1 (ja) * | 2015-02-27 | 2017-11-24 | 株式会社村田製作所 | 可変容量素子 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US9357634B2 (en) | 2012-04-27 | 2016-05-31 | Kemet Electronics Corporation | Coefficient of thermal expansion compensating compliant component |
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KR20110104891A (ko) | 2011-09-23 |
US20110228443A1 (en) | 2011-09-22 |
CN102199037A (zh) | 2011-09-28 |
US8472161B2 (en) | 2013-06-25 |
TW201210988A (en) | 2012-03-16 |
TWI422551B (zh) | 2014-01-11 |
KR101469128B1 (ko) | 2014-12-04 |
JP5158113B2 (ja) | 2013-03-06 |
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