JP2019114735A - 積層コイル部品 - Google Patents
積層コイル部品 Download PDFInfo
- Publication number
- JP2019114735A JP2019114735A JP2017248867A JP2017248867A JP2019114735A JP 2019114735 A JP2019114735 A JP 2019114735A JP 2017248867 A JP2017248867 A JP 2017248867A JP 2017248867 A JP2017248867 A JP 2017248867A JP 2019114735 A JP2019114735 A JP 2019114735A
- Authority
- JP
- Japan
- Prior art keywords
- element portion
- laminated coil
- ferrite
- coil
- coil component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 53
- 238000004804 winding Methods 0.000 claims abstract description 23
- 230000035699 permeability Effects 0.000 claims abstract description 13
- 238000003475 lamination Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 description 36
- 150000001875 compounds Chemical class 0.000 description 15
- 239000000463 material Substances 0.000 description 8
- 229910004283 SiO 4 Inorganic materials 0.000 description 5
- 238000010304 firing Methods 0.000 description 4
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 2
- 229910020599 Co 3 O 4 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 229910017518 Cu Zn Inorganic materials 0.000 description 1
- 229910017752 Cu-Zn Inorganic materials 0.000 description 1
- 229910017943 Cu—Zn Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Images
Classifications
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- 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
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
-
- 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
- H01F2017/002—Details of via holes for interconnecting the layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2809—Printed windings on stacked layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/041—Printed circuit coils
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
Claims (4)
- フェライト素体内に積層コイルが設けられた積層コイル部品であって、
前記フェライト素体の互いに対向する端面に外部電極がそれぞれ設けられており、
前記フェライト素体が、前記積層コイルの軸方向において隣接する第1の素体部と第2の素体部とを有し、前記第2の素体部の誘電率が前記第1の素体部の誘電率より低く、かつ、前記第2の素体部の透磁率が前記第1の素体部の透磁率より高く、
前記積層コイルが、巻回部と、該巻回部の端部から前記外部電極が設けられた前記端面まで延びる引出部とを有し、前記巻回部が前記第1の素体部と前記第2の素体部とに跨がるように設けられている、積層コイル部品。 - 前記積層コイルの軸方向が、前記外部電極が設けられた前記端面の対向方向と平行である、請求項1に記載の積層コイル部品。
- 前記フェライト素体が、前記第1の素体部および前記第2の素体部のうちの一方で他方を前記積層コイルの軸方向において挟んだ構造を有する、請求項1または2に記載の積層コイル部品。
- 前記フェライト素体が、一対の前記第2の素体部を有し、前記積層コイルの軸方向において前記第1の素体部を前記一対の第2の素体部で挟んだ構造を有する、請求項3に記載の積層コイル部品。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017248867A JP6407400B1 (ja) | 2017-12-26 | 2017-12-26 | 積層コイル部品 |
US16/227,112 US11380476B2 (en) | 2017-12-26 | 2018-12-20 | Multilayer coil component |
CN201811590693.9A CN109961935B (zh) | 2017-12-26 | 2018-12-25 | 层叠线圈部件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017248867A JP6407400B1 (ja) | 2017-12-26 | 2017-12-26 | 積層コイル部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6407400B1 JP6407400B1 (ja) | 2018-10-17 |
JP2019114735A true JP2019114735A (ja) | 2019-07-11 |
Family
ID=63855279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017248867A Active JP6407400B1 (ja) | 2017-12-26 | 2017-12-26 | 積層コイル部品 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11380476B2 (ja) |
JP (1) | JP6407400B1 (ja) |
CN (1) | CN109961935B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020194806A (ja) * | 2019-05-24 | 2020-12-03 | 株式会社村田製作所 | 積層型コイル部品 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106899750A (zh) * | 2016-08-03 | 2017-06-27 | 阿里巴巴集团控股有限公司 | 基于卡片的信息展示方法、信息展示业务的处理方法及装置 |
JP2019096818A (ja) | 2017-11-27 | 2019-06-20 | 株式会社村田製作所 | 積層型コイル部品 |
JP7222217B2 (ja) * | 2018-10-30 | 2023-02-15 | Tdk株式会社 | 積層コイル部品 |
JP7215327B2 (ja) * | 2019-05-24 | 2023-01-31 | 株式会社村田製作所 | 積層型コイル部品 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005034151A1 (ja) * | 2003-09-30 | 2005-04-14 | Murata Manufacturing Co., Ltd. | 積層セラミック電子部品およびその製造方法 |
JP2005109195A (ja) * | 2003-09-30 | 2005-04-21 | Murata Mfg Co Ltd | 積層コイル部品 |
JP2007243798A (ja) * | 2006-03-10 | 2007-09-20 | Sumitomo Metal Electronics Devices Inc | ノイズフィルタ |
WO2007148455A1 (ja) * | 2006-06-20 | 2007-12-27 | Murata Manufacturing Co., Ltd. | 積層コイル部品 |
JP2008079020A (ja) * | 2006-09-21 | 2008-04-03 | Sumitomo Metal Electronics Devices Inc | ノイズフィルタ |
JP2017212372A (ja) * | 2016-05-26 | 2017-11-30 | 株式会社村田製作所 | コイル部品 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005038904A (ja) | 2003-07-15 | 2005-02-10 | Murata Mfg Co Ltd | 積層セラミック電子部品およびその製造方法 |
KR101580406B1 (ko) * | 2014-08-22 | 2015-12-23 | 삼성전기주식회사 | 칩 전자부품 |
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 |
-
2017
- 2017-12-26 JP JP2017248867A patent/JP6407400B1/ja active Active
-
2018
- 2018-12-20 US US16/227,112 patent/US11380476B2/en active Active
- 2018-12-25 CN CN201811590693.9A patent/CN109961935B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005034151A1 (ja) * | 2003-09-30 | 2005-04-14 | Murata Manufacturing Co., Ltd. | 積層セラミック電子部品およびその製造方法 |
JP2005109195A (ja) * | 2003-09-30 | 2005-04-21 | Murata Mfg Co Ltd | 積層コイル部品 |
JP2007243798A (ja) * | 2006-03-10 | 2007-09-20 | Sumitomo Metal Electronics Devices Inc | ノイズフィルタ |
WO2007148455A1 (ja) * | 2006-06-20 | 2007-12-27 | Murata Manufacturing Co., Ltd. | 積層コイル部品 |
JP2008079020A (ja) * | 2006-09-21 | 2008-04-03 | Sumitomo Metal Electronics Devices Inc | ノイズフィルタ |
JP2017212372A (ja) * | 2016-05-26 | 2017-11-30 | 株式会社村田製作所 | コイル部品 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020194806A (ja) * | 2019-05-24 | 2020-12-03 | 株式会社村田製作所 | 積層型コイル部品 |
JP2022177176A (ja) * | 2019-05-24 | 2022-11-30 | 株式会社村田製作所 | 積層型コイル部品 |
JP7456468B2 (ja) | 2019-05-24 | 2024-03-27 | 株式会社村田製作所 | 積層型コイル部品 |
Also Published As
Publication number | Publication date |
---|---|
US20190198232A1 (en) | 2019-06-27 |
JP6407400B1 (ja) | 2018-10-17 |
CN109961935A (zh) | 2019-07-02 |
US11380476B2 (en) | 2022-07-05 |
CN109961935B (zh) | 2023-03-24 |
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