KR100679937B1 - 적층 세라믹 전자부품 및 그 제조방법 - Google Patents
적층 세라믹 전자부품 및 그 제조방법 Download PDFInfo
- Publication number
- KR100679937B1 KR100679937B1 KR1020040055128A KR20040055128A KR100679937B1 KR 100679937 B1 KR100679937 B1 KR 100679937B1 KR 1020040055128 A KR1020040055128 A KR 1020040055128A KR 20040055128 A KR20040055128 A KR 20040055128A KR 100679937 B1 KR100679937 B1 KR 100679937B1
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- KR
- South Korea
- Prior art keywords
- ceramic
- layer
- electronic component
- porosity
- laminate
- Prior art date
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- 239000000919 ceramic Substances 0.000 title claims abstract description 154
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title description 11
- 229910000859 α-Fe Inorganic materials 0.000 claims description 30
- 239000002994 raw material Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 abstract description 7
- 239000011800 void material Substances 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 61
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 239000004020 conductor Substances 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 238000010304 firing Methods 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 239000002003 electrode paste Substances 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910007565 Zn—Cu Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000007606 doctor blade method Methods 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/43—Electric condenser making
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
Claims (4)
- 복수의 세라믹층과 복수의 내부 전극을 적층해서 구성한 세라믹 적층체; 및상기 세라믹 적층체의 최외층에 배치되어 있는 세라믹층의 주면에 형성된 외부 전극을 구비하고,상기 복수의 세라믹층은 공극을 함유하고, 상기 세라믹 적층체의 적어도 최외층에 배치되어 있는 세라믹층의 공극율이 나머지의 세라믹층의 공극율보다 작고,상기 세라믹층은 페라이트 세라믹으로 이루어지고,상기 나머지의 세라믹층의 공극률은 30~80%인 것을 특징으로 하는 적층 세라믹 전자부품.
- 제1항에 있어서, 상기 세라믹 적층체의 최외층에 배치되어 있는 세라믹층의 공극율이 10%이하인 것을 특징으로 하는 적층 세라믹 전자부품.
- 제1항에 있어서, 상기 세라믹 적층체의 적층방향이 상기 세라믹 적층체의 실장면과 평행인 것을 특징으로 하는 적층 세라믹 전자부품.
- 세라믹 원료와 결합제로 이루어지는 외층용 세라믹 시트를 제작하는 공정;세라믹 원료와 결합제와 가연재로 이루어지는 내층용 세라믹 시트를 제작하는 공정;상기 내층용 세라믹 시트의 표면에 내부 전극을 형성하는 공정;복수의 상기 외층용 세라믹 시트와 복수의 상기 내층용 세라믹 시트를 적층하여 세라믹 적층체를 형성하는 공정;상기 세라믹 적층체의 최외층에 배치되어 있는 세라믹 시트의 주면에 외부 전극을 형성하는 공정; 및상기 세라믹 적층체의 외층용 세라믹 시트의 공극율이 내층용 세라믹 시트의 공극율보다 작아지도록, 상기 세라믹 적층체를 소성하여 상기 내층용 세라믹시트의 가연재를 소실시키는 공정을 구비하고,상기 세라믹 원료는 페라이트 세라믹이고,상기 내층용 세라믹 시트의 공극률은 30~80%인 것을 특징으로 하는 적층 세라믹 전자부품의 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003197342A JP2005038904A (ja) | 2003-07-15 | 2003-07-15 | 積層セラミック電子部品およびその製造方法 |
JPJP-P-2003-00197342 | 2003-07-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050008536A KR20050008536A (ko) | 2005-01-21 |
KR100679937B1 true KR100679937B1 (ko) | 2007-02-08 |
Family
ID=34074338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040055128A KR100679937B1 (ko) | 2003-07-15 | 2004-07-15 | 적층 세라믹 전자부품 및 그 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6924972B2 (ko) |
JP (1) | JP2005038904A (ko) |
KR (1) | KR100679937B1 (ko) |
CN (1) | CN1577655A (ko) |
TW (1) | TW200503601A (ko) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3870936B2 (ja) * | 2003-07-14 | 2007-01-24 | 株式会社村田製作所 | 積層セラミック電子部品 |
JP2006303209A (ja) * | 2005-04-21 | 2006-11-02 | Matsushita Electric Ind Co Ltd | コモンモードノイズフィルタ |
JP2009099572A (ja) * | 2005-12-23 | 2009-05-07 | Murata Mfg Co Ltd | セラミック電子部品及びその製造方法 |
KR101075079B1 (ko) | 2007-09-14 | 2011-10-21 | 가부시키가이샤 무라타 세이사쿠쇼 | 적층 코일 부품 및 그 제조 방법 |
JP4692574B2 (ja) * | 2008-05-26 | 2011-06-01 | 株式会社村田製作所 | 電子部品及びその製造方法 |
JP2010040860A (ja) * | 2008-08-06 | 2010-02-18 | Murata Mfg Co Ltd | 積層コイル部品およびその製造方法 |
KR101215923B1 (ko) * | 2008-09-04 | 2012-12-27 | 가부시키가이샤 무라타 세이사쿠쇼 | 적층 코일 부품 및 그 제조 방법 |
JP4711026B2 (ja) * | 2008-10-08 | 2011-06-29 | 株式会社村田製作所 | 複合モジュール |
WO2010128609A1 (ja) * | 2009-05-07 | 2010-11-11 | 株式会社村田製作所 | 電子部品及びその製造方法 |
US20110121930A1 (en) * | 2009-09-24 | 2011-05-26 | Ngk Insulators, Ltd. | Coil-buried type inductor and a method for manufacturing the same |
EP2523231B1 (en) * | 2010-01-06 | 2014-05-07 | Tayca Corporation | Composite piezoelectric body, method for producing said composite piezoelectric body, and composite piezoelectric element using said composite piezoelectric body |
US8389870B2 (en) * | 2010-03-09 | 2013-03-05 | International Business Machines Corporation | Coreless multi-layer circuit substrate with minimized pad capacitance |
JP2018182203A (ja) * | 2017-04-19 | 2018-11-15 | 株式会社村田製作所 | コイル部品 |
JP5693940B2 (ja) * | 2010-12-13 | 2015-04-01 | 株式会社トクヤマ | セラミックスビア基板、メタライズドセラミックスビア基板、これらの製造方法 |
US9269487B2 (en) * | 2011-09-15 | 2016-02-23 | Panasonic Intellectual Property Management Co., Ltd. | Common mode noise filter and production method therefor |
WO2015002115A1 (ja) * | 2013-07-01 | 2015-01-08 | 株式会社 村田製作所 | 積層型インダクタ素子とその製造方法 |
JP6376000B2 (ja) * | 2015-03-02 | 2018-08-22 | 株式会社村田製作所 | 電子部品およびその製造方法 |
JP6914617B2 (ja) * | 2016-05-11 | 2021-08-04 | Tdk株式会社 | 積層コイル部品 |
JP6508126B2 (ja) * | 2016-05-26 | 2019-05-08 | 株式会社村田製作所 | コイル部品 |
DE102016110216B4 (de) * | 2016-06-02 | 2018-10-11 | Epcos Ag | Verfahren zur Herstellung einer Vielzahl von piezoelektrischen Vielschichtbauelementen |
KR20180058634A (ko) * | 2016-11-24 | 2018-06-01 | 티디케이가부시기가이샤 | 전자 부품 |
JP6569654B2 (ja) * | 2016-12-14 | 2019-09-04 | 株式会社村田製作所 | チップインダクタ |
JP6575773B2 (ja) * | 2017-01-31 | 2019-09-18 | 株式会社村田製作所 | コイル部品、及び該コイル部品の製造方法 |
JP6407400B1 (ja) | 2017-12-26 | 2018-10-17 | Tdk株式会社 | 積層コイル部品 |
JP7092070B2 (ja) * | 2019-03-04 | 2022-06-28 | 株式会社村田製作所 | 積層型コイル部品 |
JP7326871B2 (ja) * | 2019-05-24 | 2023-08-16 | 株式会社村田製作所 | 積層型コイル部品 |
JP2020194804A (ja) * | 2019-05-24 | 2020-12-03 | 株式会社村田製作所 | 積層型コイル部品 |
JP7156209B2 (ja) * | 2019-08-09 | 2022-10-19 | 株式会社村田製作所 | インダクタ部品およびインダクタ部品内蔵基板 |
JP2021174797A (ja) * | 2020-04-20 | 2021-11-01 | 株式会社村田製作所 | コイル部品及びコイル部品の製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06232005A (ja) * | 1993-02-01 | 1994-08-19 | Tdk Corp | Lc複合部品 |
JPH11260665A (ja) * | 1998-03-10 | 1999-09-24 | Matsushita Electric Ind Co Ltd | 積層セラミック電子部品の製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5552300A (en) | 1978-10-13 | 1980-04-16 | Tdk Electronics Co Ltd | Radio wave absorbing wall for building material |
JP2808211B2 (ja) * | 1992-06-09 | 1998-10-08 | 東陶機器 株式会社 | 連続気孔多孔体及びそれを用いた陶磁器の加圧鋳込み成形用型 |
JPH09238906A (ja) | 1996-03-04 | 1997-09-16 | Canon Inc | 眼科撮影装置 |
FR2796638B1 (fr) * | 1999-07-21 | 2001-09-14 | Ceramiques Tech Et Ind S A | Structure monolithe nid d'abeilles en materiau ceramique poreux, et utilisation comme filtre a particules |
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2003
- 2003-07-15 JP JP2003197342A patent/JP2005038904A/ja active Pending
-
2004
- 2004-05-13 TW TW093113417A patent/TW200503601A/zh unknown
- 2004-06-03 CN CNA2004100484203A patent/CN1577655A/zh active Pending
- 2004-07-15 US US10/891,710 patent/US6924972B2/en not_active Expired - Lifetime
- 2004-07-15 KR KR1020040055128A patent/KR100679937B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06232005A (ja) * | 1993-02-01 | 1994-08-19 | Tdk Corp | Lc複合部品 |
JPH11260665A (ja) * | 1998-03-10 | 1999-09-24 | Matsushita Electric Ind Co Ltd | 積層セラミック電子部品の製造方法 |
Non-Patent Citations (1)
Title |
---|
11260665 |
Also Published As
Publication number | Publication date |
---|---|
TW200503601A (en) | 2005-01-16 |
KR20050008536A (ko) | 2005-01-21 |
US20050018382A1 (en) | 2005-01-27 |
CN1577655A (zh) | 2005-02-09 |
US6924972B2 (en) | 2005-08-02 |
JP2005038904A (ja) | 2005-02-10 |
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