JP5211262B1 - 積層セラミックコンデンサ - Google Patents
積層セラミックコンデンサ Download PDFInfo
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- JP5211262B1 JP5211262B1 JP2012249552A JP2012249552A JP5211262B1 JP 5211262 B1 JP5211262 B1 JP 5211262B1 JP 2012249552 A JP2012249552 A JP 2012249552A JP 2012249552 A JP2012249552 A JP 2012249552A JP 5211262 B1 JP5211262 B1 JP 5211262B1
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- ceramic capacitor
- multilayer ceramic
- dielectric layer
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- 239000003985 ceramic capacitor Substances 0.000 title claims abstract description 54
- 239000002245 particle Substances 0.000 claims abstract description 34
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910002113 barium titanate Inorganic materials 0.000 claims abstract description 32
- 150000003377 silicon compounds Chemical class 0.000 claims abstract description 24
- 239000000395 magnesium oxide Substances 0.000 claims description 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 11
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 238000003475 lamination Methods 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 11
- 239000012071 phase Substances 0.000 description 47
- 239000000919 ceramic Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 15
- 239000000843 powder Substances 0.000 description 15
- 150000001875 compounds Chemical class 0.000 description 10
- 239000000654 additive Substances 0.000 description 9
- 230000000996 additive effect Effects 0.000 description 9
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000010304 firing Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000005204 segregation Methods 0.000 description 4
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052691 Erbium Inorganic materials 0.000 description 2
- 229910052775 Thulium Inorganic materials 0.000 description 2
- 229910008484 TiSi Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000002003 electrode paste Substances 0.000 description 2
- 238000005430 electron energy loss spectroscopy Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- -1 tetragonal compound Chemical class 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- 229910052692 Dysprosium 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
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 238000002524 electron diffraction data Methods 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
【解決手段】誘電体層と内部電極層とが交互に積層されてなる積層体と、前記積層体の積層方向上下の最外層として形成されるカバー層とを有する積層セラミックコンデンサであって、前記誘電体層がチタン酸バリウム及びケイ素化合物を含む焼結体からなり、前記誘電体層には、平均粒子径が1μm以下のフレスノイト相が存在している、積層セラミックコンデンサ。
【選択図】図1
Description
10 セラミック焼結体
11 積層体
12 誘電体層
13 内部電極層
15 カバー層
20 外部電極
32 フレスノイト相
34 誘電体粒子
36 内部電極
Claims (7)
- 誘電体層と内部電極層とが交互に積層されてなる積層体と、前記積層体の積層方向上下の最外層として形成されるカバー層とを有する積層セラミックコンデンサであって、
前記誘電体層がチタン酸バリウム及びケイ素化合物を含む焼結体からなり、
前記誘電体層には、平均粒子径が1μm以下のフレスノイト相が存在している、積層セラミックコンデンサ。 - 前記フレスノイト相の少なくとも一部は、前記誘電体層と前記内部電極層との界面に存在している、請求項1に記載の積層セラミックコンデンサ。
- 前記誘電体層がさらに酸化マグネシウムを、前記ケイ素化合物1モルに対して0〜4モル含む、請求項1又は2に記載の積層セラミックコンデンサ。
- 前記ケイ素化合物が二酸化ケイ素である、請求項1〜3のいずれかに記載の積層セラミックコンデンサ。
- 前記誘電体層におけるケイ素化合物の量が、前記チタン酸バリウム100モルに対して0.5〜5モルである、請求項1〜4のいずれかに記載の積層セラミックコンデンサ。
- 前記誘電体層におけるフレスノイト相の存在割合が、0.5〜3%である、請求項1〜5のいずれかに記載の積層セラミックコンデンサ。
- 前記誘電体層が、さらに希土類元素の酸化物を含む、請求項1〜6のいずれかに記載の積層セラミックコンデンサ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012249552A JP5211262B1 (ja) | 2012-06-29 | 2012-11-13 | 積層セラミックコンデンサ |
TW101148122A TWI525651B (zh) | 2012-06-29 | 2012-12-18 | Laminated ceramic capacitors |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012146611 | 2012-06-29 | ||
JP2012146611 | 2012-06-29 | ||
JP2012249552A JP5211262B1 (ja) | 2012-06-29 | 2012-11-13 | 積層セラミックコンデンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5211262B1 true JP5211262B1 (ja) | 2013-06-12 |
JP2014029978A JP2014029978A (ja) | 2014-02-13 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012249552A Active JP5211262B1 (ja) | 2012-06-29 | 2012-11-13 | 積層セラミックコンデンサ |
Country Status (6)
Country | Link |
---|---|
US (1) | US9536666B2 (ja) |
JP (1) | JP5211262B1 (ja) |
KR (1) | KR101581809B1 (ja) |
CN (1) | CN104246929B (ja) |
TW (1) | TWI525651B (ja) |
WO (1) | WO2014002302A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150022678A (ko) * | 2013-08-23 | 2015-03-04 | 티디케이가부시기가이샤 | 적층형 세라믹 전자 부품 |
US9064636B1 (en) * | 2014-08-13 | 2015-06-23 | Murata Manufacturing Co., Ltd. | Multilayer ceramic capacitor including first and second outer layer portions and an inner layer portion disposed therebetween |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6665438B2 (ja) * | 2015-07-17 | 2020-03-13 | 株式会社村田製作所 | 積層セラミックコンデンサ |
JP6378651B2 (ja) * | 2015-07-28 | 2018-08-22 | 太陽誘電株式会社 | 積層セラミックコンデンサ |
KR102587765B1 (ko) * | 2017-08-10 | 2023-10-12 | 다이요 유덴 가부시키가이샤 | 적층 세라믹 콘덴서 및 그 제조 방법 |
JP7154531B2 (ja) * | 2018-03-22 | 2022-10-18 | 国立大学法人東北大学 | 電子デバイスの評価方法および評価装置 |
JP2020155523A (ja) * | 2019-03-19 | 2020-09-24 | 株式会社村田製作所 | 積層セラミックコンデンサ |
KR20190116132A (ko) * | 2019-07-15 | 2019-10-14 | 삼성전기주식회사 | 적층형 커패시터 및 그 실장 기판 |
WO2021241300A1 (ja) * | 2020-05-27 | 2021-12-02 | パナソニックIpマネジメント株式会社 | バリウム化合物構造体及びその製造方法 |
US20230080684A1 (en) * | 2021-09-14 | 2023-03-16 | Samsung Electro-Mechanics Co., Ltd. | Ceramic electronic component, method of manufacturing ceramic electronic component, and method of producing dielectric powder |
CN114014649B (zh) * | 2021-12-13 | 2023-07-25 | 深圳先进电子材料国际创新研究院 | 共掺杂钛酸钡陶瓷介电材料、制备方法及其应用 |
KR20240126196A (ko) * | 2023-02-13 | 2024-08-20 | 삼성전기주식회사 | 적층형 커패시터 및 이의 제조 방법 |
WO2024203277A1 (ja) * | 2023-03-29 | 2024-10-03 | 太陽誘電株式会社 | 誘電体磁器組成物および積層セラミック電子部品 |
Citations (4)
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JP2000095563A (ja) * | 1998-07-23 | 2000-04-04 | Taiyo Yuden Co Ltd | 誘電体磁器組成物とセラミック電子部品 |
JP2011068524A (ja) * | 2009-09-28 | 2011-04-07 | Kyocera Corp | 積層セラミックコンデンサ |
JP2011173747A (ja) * | 2010-02-24 | 2011-09-08 | Murata Mfg Co Ltd | 誘電体セラミックおよび積層セラミックコンデンサ |
JP2012036083A (ja) * | 2011-09-07 | 2012-02-23 | Samsung Electro-Mechanics Co Ltd | 焼結体及びセラミックコンデンサ並びにこれらの製造方法 |
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JP3326513B2 (ja) | 1994-10-19 | 2002-09-24 | ティーディーケイ株式会社 | 積層型セラミックチップコンデンサ |
JPH10255549A (ja) | 1997-03-05 | 1998-09-25 | Tdk Corp | 誘電体セラミック材料およびその製造方法並びに積層セラミックコンデンサ |
TW439071B (en) | 1998-07-23 | 2001-06-07 | Taiyo Yuden Kk | Dielectric electromagnetic composition and ceramic electronic part |
JP4661203B2 (ja) | 2004-12-15 | 2011-03-30 | Tdk株式会社 | セラミック電子部品およびその製造方法 |
US7706125B2 (en) * | 2005-03-25 | 2010-04-27 | Kyocera Corporation | Multilayer ceramic capacitor and production method of the same |
JP4935671B2 (ja) * | 2005-03-28 | 2012-05-23 | パナソニック株式会社 | 誘電体磁器組成物、およびこれを用いたコンデンサの製造方法 |
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2012
- 2012-11-13 WO PCT/JP2012/079409 patent/WO2014002302A1/ja active Application Filing
- 2012-11-13 JP JP2012249552A patent/JP5211262B1/ja active Active
- 2012-11-13 CN CN201280072131.XA patent/CN104246929B/zh active Active
- 2012-11-13 US US14/389,308 patent/US9536666B2/en active Active
- 2012-11-13 KR KR1020147024745A patent/KR101581809B1/ko active IP Right Grant
- 2012-12-18 TW TW101148122A patent/TWI525651B/zh active
Patent Citations (4)
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JP2000095563A (ja) * | 1998-07-23 | 2000-04-04 | Taiyo Yuden Co Ltd | 誘電体磁器組成物とセラミック電子部品 |
JP2011068524A (ja) * | 2009-09-28 | 2011-04-07 | Kyocera Corp | 積層セラミックコンデンサ |
JP2011173747A (ja) * | 2010-02-24 | 2011-09-08 | Murata Mfg Co Ltd | 誘電体セラミックおよび積層セラミックコンデンサ |
JP2012036083A (ja) * | 2011-09-07 | 2012-02-23 | Samsung Electro-Mechanics Co Ltd | 焼結体及びセラミックコンデンサ並びにこれらの製造方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150022678A (ko) * | 2013-08-23 | 2015-03-04 | 티디케이가부시기가이샤 | 적층형 세라믹 전자 부품 |
JP2015062216A (ja) * | 2013-08-23 | 2015-04-02 | Tdk株式会社 | 積層型セラミック電子部品 |
KR101697950B1 (ko) * | 2013-08-23 | 2017-01-19 | 티디케이가부시기가이샤 | 적층형 세라믹 전자 부품 |
US9064636B1 (en) * | 2014-08-13 | 2015-06-23 | Murata Manufacturing Co., Ltd. | Multilayer ceramic capacitor including first and second outer layer portions and an inner layer portion disposed therebetween |
Also Published As
Publication number | Publication date |
---|---|
CN104246929A (zh) | 2014-12-24 |
JP2014029978A (ja) | 2014-02-13 |
KR101581809B1 (ko) | 2015-12-31 |
US9536666B2 (en) | 2017-01-03 |
WO2014002302A1 (ja) | 2014-01-03 |
KR20140126733A (ko) | 2014-10-31 |
TWI525651B (zh) | 2016-03-11 |
TW201401312A (zh) | 2014-01-01 |
CN104246929B (zh) | 2017-10-20 |
US20150279565A1 (en) | 2015-10-01 |
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