KR100339306B1 - 적층 세라믹 커패시터 및 그 제조방법 - Google Patents
적층 세라믹 커패시터 및 그 제조방법 Download PDFInfo
- Publication number
- KR100339306B1 KR100339306B1 KR1020000037088A KR20000037088A KR100339306B1 KR 100339306 B1 KR100339306 B1 KR 100339306B1 KR 1020000037088 A KR1020000037088 A KR 1020000037088A KR 20000037088 A KR20000037088 A KR 20000037088A KR 100339306 B1 KR100339306 B1 KR 100339306B1
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- South Korea
- Prior art keywords
- ceramic
- sintered body
- particles
- core
- ceramic sintered
- Prior art date
Links
- 239000003985 ceramic capacitor Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims description 5
- 238000004519 manufacturing process Methods 0.000 title abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 101
- 239000002245 particle Substances 0.000 claims abstract description 65
- 238000010304 firing Methods 0.000 claims description 19
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 13
- 229910002113 barium titanate Inorganic materials 0.000 claims description 12
- 229910052755 nonmetal Inorganic materials 0.000 claims description 6
- 239000010953 base metal Substances 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 6
- 239000000843 powder Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 5
- 229910010293 ceramic material Inorganic materials 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000075 oxide glass Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 101100513612 Microdochium nivale MnCO gene Proteins 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/465—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
-
- 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)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
No. | 소성온도(℃) | 코어-셀입자:균일입자의면적비 | 내부 전극간 세라믹층의두께(㎛) | 비유전율상수(ε) | TCC(%)에서85℃ | 고온하중시험의불량수 |
1 | 1240 | 5 : 5 | 4.0 | 4230 | -12 | 3 |
2 | 1260 | 5 : 5 | 4.0 | 4380 | -14 | 2 |
3 | 1270 | 4 : 6 | 4.0 | 5120 | -22 | 0 |
4 | 1280 | 3 : 7 | 3.0 | 5650 | -27 | 0 |
5 | 4.0 | 5340 | -22 | 0 | ||
6 | 1300 | 2 : 8 | 3.0 | 5550 | -25 | 0 |
7 | 4.0 | 5100 | -19 | 0 | ||
8 | 1320 | 2 : 8 | 3.0 | 5200 | -20 | 0 |
9 | 4.0 | 4510 | -15 | 0 | ||
10 | 1350 | 1 : 9 | 4.0 | 3760 | -8 | 0 |
Claims (8)
- 내환원성 유전체 세라믹을 포함하는 세라믹 소결체;비금속을 형성하고, 상기 세라믹 소결체 내부에 배치되고, 이웃한 한 쌍의 전극 사이에 있는 상기 세라믹 소결체에서 두께 방향으로 적층되는 내부 전극 ; 및상기 세라믹 소결체 외부에 형성되고 상기 내부 전극과 전기적으로 접속되는 한쌍의 외부 전극을 포함하고,상기 내환원성 유전체 세라믹은 코어-셀 구조를 갖는 입자와 균일한 구조를 갖는 입자를 포함하며, 상기 세라믹 소결체의 단면에서 상기 코어-셀 구조를 갖는 입자와 상기 균일한 구조를 갖는 입자의 면적비는 약 2:8 에서 4:6인 것을 특징으로 하는 적층 세라믹 커패시터.
- 제 1항에 있어서, 상기 내환원성 유전체 세라믹은 티탄산 바륨 세라믹인 것을 특징으로 하는 적층 세라믹 커패시터.
- 제 2항에 있어서, 상기 비금속은 Ni을 포함하는 것을 특징으로 하는 적층 세라믹 커패시터.
- 제 1항에 있어서, 상기 비금속은 Ni을 포함하는 것을 특징으로 하는 적층 세라믹 커패시터.
- 내환원성 유전체 세라믹을 포함하는 복수 개의 세라믹 그린 시트를 제공하는 단계;상기 세라믹 그린 시트의 한 면 위에 비금속 페이스트를 인쇄함으로써 내부 전극을 형성하는 단계;상기 내부 전극이 인쇄되어 있는 복수의 세라믹 그린 시트를 적층하고, 적층된 세라믹 그린 시트의 최상 및 최하층 위에 평면 세라믹 그린 시트를 적층하고 두께 방향을 따라 인쇄함으로써 적층체를 얻는 단계;상기 적층체를 소성시킴으로써 세라믹 소결체를 얻는 단계; 및상기 세라믹 소결체의 외부면 위에 외부 전극을 부착하는 단계를 포함하고,상기 내환원성 유전체 세라믹은 코어-셀 구조를 갖는 입자와 균일한 구조를 갖는 입자를 포함하며, 소성 온도와 소성 시간은 상기 세라믹 소결체의 단면에서 상기 코어-셀 구조를 갖는 입자와 상기 균일한 구조를 갖는 입자의 면적비가 약 2:8에서 4:6이 되도록 결정되는 것을 특징으로 하는 적층 세라믹 커패시터 제조 방법.
- 제 5항에 있어서, 상기 내환원성 유전체 세라믹은 티탄산 바륨 세라믹을 포함하는 것을 특징으로 하는 적층 세라믹 커패시터 제조 방법.
- 제 6항에 있어서, 상기 비금속은 니켈을 포함하는 것을 특징으로 하는 적층세라믹 커패시터 제조 방법.
- 제 5항에 있어서, 상기 비금속은 니켈을 포함하는 것을 특징으로 하는 적층 세라믹 커패시터 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11-185450 | 1999-06-30 | ||
JP18545099A JP3376963B2 (ja) | 1999-06-30 | 1999-06-30 | 積層セラミックコンデンサ及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010029873A KR20010029873A (ko) | 2001-04-16 |
KR100339306B1 true KR100339306B1 (ko) | 2002-06-03 |
Family
ID=16171021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000037088A KR100339306B1 (ko) | 1999-06-30 | 2000-06-30 | 적층 세라믹 커패시터 및 그 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6292354B1 (ko) |
JP (1) | JP3376963B2 (ko) |
KR (1) | KR100339306B1 (ko) |
MY (1) | MY116813A (ko) |
TW (1) | TW468187B (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1178240C (zh) * | 2000-02-03 | 2004-12-01 | 太阳诱电株式会社 | 叠层陶瓷电容器及其制造方法 |
KR100738760B1 (ko) * | 2000-02-16 | 2007-07-12 | 다이요 유덴 가부시키가이샤 | 적층 세라믹 콘덴서와 그 제조 방법 |
JP3987692B2 (ja) * | 2001-06-12 | 2007-10-10 | 太陽誘電株式会社 | 誘電体磁器組成物及び磁器コンデンサ |
JP2006319205A (ja) * | 2005-05-13 | 2006-11-24 | Taiyo Yuden Co Ltd | 積層セラミックコンデンサ及びその製造方法 |
JP4936850B2 (ja) | 2006-09-15 | 2012-05-23 | 太陽誘電株式会社 | 積層セラミックコンデンサ |
JP4992918B2 (ja) | 2009-01-30 | 2012-08-08 | 株式会社村田製作所 | 誘電体セラミックおよび積層セラミックコンデンサ |
JP5246185B2 (ja) * | 2010-03-11 | 2013-07-24 | 株式会社村田製作所 | 誘電体セラミック、及び積層セラミックコンデンサ |
JP5803688B2 (ja) * | 2012-01-17 | 2015-11-04 | Tdk株式会社 | 誘電体磁器組成物および積層セラミックコンデンサ |
JP5668037B2 (ja) | 2012-09-27 | 2015-02-12 | 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 |
JP6272143B2 (ja) * | 2014-05-28 | 2018-01-31 | 京セラ株式会社 | 圧電部品 |
JP6591656B2 (ja) * | 2015-07-17 | 2019-10-16 | ティーディーケイ・エレクトロニクス・アクチェンゲゼルシャフトTdk Electronics Ag | 誘電体組成物、誘電体素子、電子部品および積層電子部品 |
EP3326186B1 (en) * | 2015-07-17 | 2021-10-27 | TDK Electronics AG | Dielectric composition, dielectric element, electronic component and laminated electronic component |
US10515760B1 (en) * | 2018-08-09 | 2019-12-24 | Samsung Electro-Mechanics Co., Ltd. | Multilayer ceramic capacitor with dielectric layers including dielectric grains having a core-shell structure |
WO2023054379A1 (ja) * | 2021-09-30 | 2023-04-06 | 株式会社村田製作所 | 積層セラミックコンデンサ |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08250371A (ja) * | 1995-03-14 | 1996-09-27 | Shinko Electric Ind Co Ltd | コンデンサ及びその製造方法並びに誘電体の製造方法 |
JPH10308321A (ja) * | 1997-05-06 | 1998-11-17 | Taiyo Yuden Co Ltd | 誘電体磁器 |
JP2000223351A (ja) * | 1999-01-28 | 2000-08-11 | Murata Mfg Co Ltd | 積層セラミックコンデンサ |
JP2001291634A (ja) * | 2000-02-03 | 2001-10-19 | Taiyo Yuden Co Ltd | 積層セラミックコンデンサ及びその製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4223369A (en) * | 1978-07-03 | 1980-09-16 | Sprague Electric Company | Monolithic capacitor with low firing zirconate and nickel electrodes |
KR970008754B1 (en) * | 1994-12-23 | 1997-05-28 | Korea Inst Sci & Tech | Multilayer ceramic capacitor and production thereof |
JP3391269B2 (ja) * | 1998-01-20 | 2003-03-31 | 株式会社村田製作所 | 誘電体セラミックおよびその製造方法、ならびに、積層セラミック電子部品およびその製造方法 |
JP3275818B2 (ja) * | 1998-02-12 | 2002-04-22 | 株式会社村田製作所 | 積層コンデンサ |
-
1999
- 1999-06-30 JP JP18545099A patent/JP3376963B2/ja not_active Expired - Lifetime
-
2000
- 2000-06-21 TW TW089112158A patent/TW468187B/zh not_active IP Right Cessation
- 2000-06-23 MY MYPI20002843A patent/MY116813A/en unknown
- 2000-06-26 US US09/603,043 patent/US6292354B1/en not_active Expired - Lifetime
- 2000-06-30 KR KR1020000037088A patent/KR100339306B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08250371A (ja) * | 1995-03-14 | 1996-09-27 | Shinko Electric Ind Co Ltd | コンデンサ及びその製造方法並びに誘電体の製造方法 |
JPH10308321A (ja) * | 1997-05-06 | 1998-11-17 | Taiyo Yuden Co Ltd | 誘電体磁器 |
JP2000223351A (ja) * | 1999-01-28 | 2000-08-11 | Murata Mfg Co Ltd | 積層セラミックコンデンサ |
JP2001291634A (ja) * | 2000-02-03 | 2001-10-19 | Taiyo Yuden Co Ltd | 積層セラミックコンデンサ及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US6292354B1 (en) | 2001-09-18 |
JP2001015374A (ja) | 2001-01-19 |
TW468187B (en) | 2001-12-11 |
MY116813A (en) | 2004-03-31 |
JP3376963B2 (ja) | 2003-02-17 |
KR20010029873A (ko) | 2001-04-16 |
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