KR100875731B1 - 자성 소자 - Google Patents
자성 소자 Download PDFInfo
- Publication number
- KR100875731B1 KR100875731B1 KR1020060058329A KR20060058329A KR100875731B1 KR 100875731 B1 KR100875731 B1 KR 100875731B1 KR 1020060058329 A KR1020060058329 A KR 1020060058329A KR 20060058329 A KR20060058329 A KR 20060058329A KR 100875731 B1 KR100875731 B1 KR 100875731B1
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- South Korea
- Prior art keywords
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- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 9
- 230000035699 permeability Effects 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims 1
- 239000011162 core material Substances 0.000 description 162
- 230000004907 flux Effects 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910018605 Ni—Zn Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 125000006850 spacer group Chemical group 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
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/12—Magnetic shunt paths
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- 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
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
-
- 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
- H01F17/045—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
- H01F2017/046—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis
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- 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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
Description
Claims (8)
- 코일과,평판부에 외각부와 상기 코일에 삽입되는 중각부를 가지는 제 1 코어 및 제 2 코어와,상기 제 1 코어와 상기 제 2 코어와의 사이에, 상기 제 1 코어 및 상기 제 2 코어와 연접하도록 배치된 폐자로 회로를 구성하는 중간 코어를 가지는 자성 소자에 있어서,상기 제 1 코어의 중각부의 상기 외각부가 연장되는 방향과 수직 방향의 단면적을 Sl로 하고,상기 중간 코어의 상기 외각부가 연장되는 방향과 평행 방향의 단면적을 S2로 하고,상기 제 2 코어의 중각부의 상기 외각부가 연장되는 방향과 수직 방향의 단면적을 S3로 했을 때에,Sl≤S3이며, 한편 Sl≤S2의 관계인 것을 특징으로 하는 자성 소자.
- 제 1항에 있어서,상기 중간 코어와 상기 중각부의 선단부와의 사이에 갭을 가지고 있는 것을 특징으로 하는 자성 소자.
- 제 2항에 있어서,상기 갭은 스페이스를 두는 것에 의하여 구성되는 것을 특징으로 하는 자성 소자.
- 제 2항에 있어서,상기 갭을 설치하는 대신에 중간 코어의 실효투자율을 제 1 코어 및 제 2 코어보다 낮게 설정하는 것에 의해 실질적인 갭을 설치하는 것을 특징으로 하는 자성 소자.
- 제 1항에 있어서,지지 베이스는, 상기 제 1 코어, 상기 제 2코어 및 상기 제 1코어의 깊이 방향(짧은 측)내의 중간 코어에 형성된 두 개의 표면들중 제 1의 표면과, 상기 제 2코어 및 상기 중간 코어를 따라 설치되며,상기 지지 베이스에는, 실장기판(도시 안됨)에 실장되는 단자부재가 설치되는 것을 특징으로 하는 자성 소자.
- 제 1항에 있어서,자기 실드판은, 상기 제 1 코어, 상기 제 2코어 및 상기 제 1코어의 깊이 방향(짧은 측)내의 중간 코어에 형성된 두 개의 표면들중 제 1의 표면과, 상기 제 2코어 및 상기 중간 코어를 따라 설치되어, 자기가 누설되는 것을 방지하는 것을 특징으로 하는 자성 소자.
- 제 6항에 있어서,상기 자기실드판은, 수지와 자성분이 혼합되어 있는 부재로 구성되어 있는 것을 특징으로 하는 자성소자.
- 제 1항에 있어서,상기 코일은 평각선의 엣지 와이즈 권회 코일인 것을 특징으로 하는 자성 소자.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2005-00188370 | 2005-06-28 | ||
JP2005188370A JP4472589B2 (ja) | 2005-06-28 | 2005-06-28 | 磁性素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070001010A KR20070001010A (ko) | 2007-01-03 |
KR100875731B1 true KR100875731B1 (ko) | 2008-12-26 |
Family
ID=37566627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060058329A KR100875731B1 (ko) | 2005-06-28 | 2006-06-27 | 자성 소자 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7259650B2 (ko) |
JP (1) | JP4472589B2 (ko) |
KR (1) | KR100875731B1 (ko) |
CN (1) | CN1892932B (ko) |
TW (1) | TWI367505B (ko) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009041301A1 (ja) * | 2007-09-27 | 2009-04-02 | Sumida Corporation | 複合磁性素子 |
US20090237193A1 (en) * | 2008-03-20 | 2009-09-24 | Timothy Craig Wedley | Multi-core inductive device and method of manufacturing |
US8975523B2 (en) * | 2008-05-28 | 2015-03-10 | Flextronics Ap, Llc | Optimized litz wire |
CN101593616B (zh) * | 2008-05-30 | 2011-08-31 | 侨威科技股份有限公司 | 变压器及直流对直流转换器 |
KR200448983Y1 (ko) * | 2009-11-04 | 2010-07-02 | 지이티플러스(주) | 듀얼 인덕터 |
CN102339666A (zh) * | 2010-07-16 | 2012-02-01 | 株式会社田村制作所 | 电感器 |
CN102208242B (zh) * | 2011-03-18 | 2013-10-09 | 华为技术有限公司 | 一种磁集成电感及其制作方法和一种无桥pfc电路 |
TWI436380B (zh) * | 2012-02-01 | 2014-05-01 | Delta Electronics Inc | 磁性組件及其基座 |
TWI493579B (zh) * | 2014-04-16 | 2015-07-21 | Delta Electronics Inc | 具多氣隙之磁性組件 |
EP3047781B1 (de) | 2015-01-20 | 2019-08-28 | Eurofilters N.V. | Autonom betreibbarer Bodenstaubsauger, Verfahren zum Staubsaugen sowie Verwendung eines autonom betreibbaren Bodenstaubsaugers |
US20160247627A1 (en) * | 2015-02-24 | 2016-08-25 | Maxim Integrated Products, Inc. | Low-profile coupled inductors with leakage control |
CN204808997U (zh) | 2015-07-09 | 2015-11-25 | 台达电子企业管理(上海)有限公司 | 磁性组件及其适用的电源*** |
WO2017107039A1 (en) * | 2015-12-22 | 2017-06-29 | Cooper Technologies Company | Modular integrated multi-phase, non-coupled winding power inductor and methods of manufacture |
WO2017107038A1 (en) * | 2015-12-22 | 2017-06-29 | Cooper Technologies Company | Integrated multi-phase power inductor with non-coupled windings and methods of manufacture |
CN105810416B (zh) * | 2016-04-26 | 2018-05-08 | 开平帛汉电子有限公司 | 可产生滤波功能的电子装置 |
JP6531712B2 (ja) * | 2016-04-28 | 2019-06-19 | 株式会社村田製作所 | 複合インダクタ |
AU2017326906B2 (en) * | 2016-09-15 | 2022-09-01 | Parcor Technology Limited | Electromagnetic device and methods |
DE102017208658B4 (de) * | 2017-05-22 | 2022-12-29 | Würth Elektronik eiSos Gmbh & Co. KG | Induktives Bauteil und Verfahren zum Herstellen eines induktiven Bauteils |
CN115148476A (zh) * | 2017-12-23 | 2022-10-04 | 乾坤科技股份有限公司 | 耦合电感器及其制作方法 |
JP6930433B2 (ja) * | 2018-01-10 | 2021-09-01 | Tdk株式会社 | インダクタ素子 |
JP2019201058A (ja) * | 2018-05-14 | 2019-11-21 | スミダコーポレーション株式会社 | リアクトル装置 |
US20240029939A1 (en) * | 2020-08-25 | 2024-01-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Magnetic apparatus, and voltage converter including the same |
CN114050026B (zh) * | 2021-11-30 | 2024-06-11 | 杭州云电科技能源有限公司 | 磁性组件、其制作方法、功率模块及开关电源 |
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JPS5831383Y2 (ja) * | 1974-12-25 | 1983-07-12 | 東芝テック株式会社 | ホウデントウアンテイキ |
JPH0410660Y2 (ko) * | 1981-06-19 | 1992-03-17 | ||
JPS6081630U (ja) * | 1983-11-10 | 1985-06-06 | ティーディーケイ株式会社 | コイル装置 |
JPS61166519U (ko) * | 1985-04-01 | 1986-10-16 | ||
JPH01108615U (ko) * | 1988-01-18 | 1989-07-24 | ||
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US6734775B2 (en) * | 2002-04-29 | 2004-05-11 | Yu-Lin Chung | Transformer structure |
JP2004253434A (ja) * | 2003-02-18 | 2004-09-09 | Matsushita Electric Ind Co Ltd | コイル部品及びそれを用いた電源装置 |
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-
2005
- 2005-06-28 JP JP2005188370A patent/JP4472589B2/ja active Active
-
2006
- 2006-06-27 KR KR1020060058329A patent/KR100875731B1/ko active IP Right Grant
- 2006-06-27 US US11/426,637 patent/US7259650B2/en active Active
- 2006-06-28 TW TW095123399A patent/TWI367505B/zh active
- 2006-06-28 CN CN2006100996785A patent/CN1892932B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN1892932B (zh) | 2012-06-13 |
KR20070001010A (ko) | 2007-01-03 |
JP4472589B2 (ja) | 2010-06-02 |
US20060290458A1 (en) | 2006-12-28 |
TWI367505B (en) | 2012-07-01 |
CN1892932A (zh) | 2007-01-10 |
JP2007012686A (ja) | 2007-01-18 |
TW200701266A (en) | 2007-01-01 |
US7259650B2 (en) | 2007-08-21 |
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