KR100247444B1 - 전자기 간섭 억제제용 복합 자석 - Google Patents

전자기 간섭 억제제용 복합 자석 Download PDF

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Publication number
KR100247444B1
KR100247444B1 KR1019960041006A KR19960041006A KR100247444B1 KR 100247444 B1 KR100247444 B1 KR 100247444B1 KR 1019960041006 A KR1019960041006 A KR 1019960041006A KR 19960041006 A KR19960041006 A KR 19960041006A KR 100247444 B1 KR100247444 B1 KR 100247444B1
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KR
South Korea
Prior art keywords
powder
magnetic powder
soft
composite magnet
magnetic
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Expired - Lifetime
Application number
KR1019960041006A
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English (en)
Korean (ko)
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KR970017717A (ko
Inventor
시게요시 요시다
미쯔하루 사또
에이슈 스가와라
유타가 시마다
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도낀 가부시끼가이샤
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Application filed by 도낀 가부시끼가이샤 filed Critical 도낀 가부시끼가이샤
Publication of KR970017717A publication Critical patent/KR970017717A/ko
Application granted granted Critical
Publication of KR100247444B1 publication Critical patent/KR100247444B1/ko
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Classifications

    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0083—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers
    • 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
    • H01F1/14—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 metals or alloys
    • H01F1/20—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 metals or alloys in the form of particles, e.g. powder
    • H01F1/28—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 metals or alloys in the form of particles, e.g. powder dispersed or suspended in a bonding agent

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Laminated Bodies (AREA)
  • Aerials With Secondary Devices (AREA)
KR1019960041006A 1995-09-22 1996-09-20 전자기 간섭 억제제용 복합 자석 Expired - Lifetime KR100247444B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1995-244096 1995-09-22
JP7244096A JPH0993034A (ja) 1995-09-22 1995-09-22 複合磁性体及びその製造方法ならびに電磁干渉抑制体

Publications (2)

Publication Number Publication Date
KR970017717A KR970017717A (ko) 1997-04-30
KR100247444B1 true KR100247444B1 (ko) 2000-03-15

Family

ID=17113698

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960041006A Expired - Lifetime KR100247444B1 (ko) 1995-09-22 1996-09-20 전자기 간섭 억제제용 복합 자석

Country Status (9)

Country Link
US (1) US5827445A (https=)
EP (2) EP0764954B1 (https=)
JP (1) JPH0993034A (https=)
KR (1) KR100247444B1 (https=)
CN (1) CN1097270C (https=)
DE (2) DE69608933T2 (https=)
MY (1) MY115205A (https=)
SG (1) SG48471A1 (https=)
TW (1) TW304269B (https=)

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JPH0935927A (ja) * 1995-07-20 1997-02-07 Tokin Corp 複合磁性体及びそれを用いた電磁干渉抑制体
US6972097B2 (en) * 1995-07-20 2005-12-06 Nec Tokin Corporation Composite magnetic material and electromagnetic interference suppressor member using the same
JP3608063B2 (ja) * 1996-08-23 2005-01-05 Ｎｅｃトーキン株式会社 Ｅｍｉ対策部品及びそれを備えた能動素子
JP3404618B2 (ja) * 1996-09-02 2003-05-12 エヌイーシートーキン株式会社 電磁干渉抑制体
WO1998009788A1 (en) * 1996-09-03 1998-03-12 Tokin Corporation Method of manufacturing composite magnetic sheet
US6521140B2 (en) * 1996-09-06 2003-02-18 Nec Tokin Corp. Composite magnetic body and electromagnetic interference suppressing body using the same
JP3475386B2 (ja) * 1997-09-01 2003-12-08 Ｎｅｃトーキン株式会社 電磁干渉抑制体
JPH11112229A (ja) * 1997-10-07 1999-04-23 Tokin Corp 複合磁性体，その製造方法，及びそれを用いた電磁干渉抑制体
JPH11214912A (ja) * 1998-01-27 1999-08-06 Tokin Corp 指向性アンテナ
EP1133780B1 (en) * 1999-09-28 2003-05-02 NEC TOKIN Corporation Composite magnetic sheet and method of producing the same
JP2001126910A (ja) * 1999-10-25 2001-05-11 Tokin Corp 複合磁性体、複合磁性体シートおよびそれらの製造方法
US6586046B1 (en) 2000-01-26 2003-07-01 General Electric Company Fluidized bed apparatus and method for treatment of nonspherical, nonequiaxed particles
JP2001210510A (ja) * 2000-01-28 2001-08-03 Tokin Corp 軟磁性粉末及びそれを用いた複合磁性体
JP2001297905A (ja) * 2000-04-17 2001-10-26 Tokin Corp 高周波電流抑制体
WO2001080616A2 (en) * 2000-04-17 2001-10-25 Tokin Corporation High-frequency current supressor capable of being readily attached to cable or the like and earphone system using the same
GB0211443D0 (en) * 2002-05-18 2002-06-26 Qinetiq Ltd Microwave absorbent material
US20040041121A1 (en) * 2002-08-30 2004-03-04 Shigeyoshi Yoshida Magnetic loss material and method of producing the same
US6914183B2 (en) * 2002-09-25 2005-07-05 Sumitomo Electric Industries, Ltd. Board for printed wiring
US7868723B2 (en) * 2003-02-26 2011-01-11 Analogic Corporation Power coupling device
US9368272B2 (en) 2003-02-26 2016-06-14 Analogic Corporation Shielded power coupling device
US8350655B2 (en) * 2003-02-26 2013-01-08 Analogic Corporation Shielded power coupling device
US9490063B2 (en) 2003-02-26 2016-11-08 Analogic Corporation Shielded power coupling device
US7625633B2 (en) 2003-03-25 2009-12-01 Shin-Etsu Polymer., Ltd. Electromagnetic noise suppressor, article with electromagnetic noise suppressing function, and their manufacturing methods
JP4010296B2 (ja) * 2003-11-20 2007-11-21 株式会社デンソー 軟磁性粉末材料の製造方法
JP4417377B2 (ja) 2004-02-24 2010-02-17 信越ポリマー株式会社 電磁波ノイズ抑制体、電磁波ノイズ抑制機能付構造体、およびそれらの製造方法
US8134084B2 (en) 2006-06-30 2012-03-13 Shin-Etsu Polymer Co., Ltd. Noise-suppressing wiring-member and printed wiring board
JP4692768B2 (ja) * 2006-12-08 2011-06-01 住友電気工業株式会社 軟磁性複合材料
CN101231707A (zh) * 2007-01-25 2008-07-30 3M创新有限公司 电磁屏蔽装置
US9972913B2 (en) 2009-12-15 2018-05-15 Asahi Kasei Fibers Corporation Noise absorbing fabric
JP2011129798A (ja) * 2009-12-21 2011-06-30 Mitsumi Electric Co Ltd 高周波用磁性材料、高周波デバイス及び磁性粒子
JP4692859B2 (ja) * 2010-08-19 2011-06-01 住友電気工業株式会社 リアクトル
DE102014215318A1 (de) * 2014-08-04 2016-02-04 Siemens Aktiengesellschaft Anisotrop weichmagnetisches Komposit-Material mit hoher Anisotropie der Permeabilität zur Unterdrückung von Querfluss und dessen Herstellung
US11229147B2 (en) 2015-02-06 2022-01-18 Laird Technologies, Inc. Thermally-conductive electromagnetic interference (EMI) absorbers with silicon carbide
US10287413B2 (en) 2016-12-19 2019-05-14 3M Innovative Properties Company Thermoplastic polymer composite containing soft, ferromagnetic particulate material and methods of making thereof
KR102722514B1 (ko) 2017-11-16 2024-10-29 쓰리엠 이노베이티브 프로퍼티즈 캄파니 중합체 매트릭스 복합재의 제조 방법
US10836873B2 (en) 2017-11-16 2020-11-17 3M Innovative Properties Company Polymer matrix composites comprising thermally insulating particles and methods of making the same
JP2021503718A (ja) * 2017-11-16 2021-02-12 ジョージア テック リサーチ コーポレイション 磁性層を有する基板対応インダクタ
US11732104B2 (en) 2017-11-16 2023-08-22 3M Innovative Properties Company Polymer matrix composites comprising dielectric particles and methods of making the same
US10913834B2 (en) 2017-11-16 2021-02-09 3M Innovative Properties Company Polymer matrix composites comprising indicator particles and methods of making the same
US10927228B2 (en) 2017-11-16 2021-02-23 3M Innovative Properties Company Polymer matrix composites comprising intumescent particles and methods of making the same
WO2019097446A1 (en) 2017-11-16 2019-05-23 3M Innovative Properties Company Polymer matrix composites comprising functional particles and methods of making the same
EP3969508A1 (en) 2019-05-15 2022-03-23 3M Innovative Properties Company (co)polymer matrix composites comprising thermally-conductive particles and magnetic particles and methods of making the same
KR102771530B1 (ko) * 2019-07-19 2025-02-20 현대자동차주식회사 자기유변 탄성체

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Publication number Priority date Publication date Assignee Title
DE1024647B (de) * 1954-11-24 1958-02-20 Deutsche Edelstahlwerke Ag Ferromagnetische Bestandteile enthaltender, magnetisch haftender, biegsamer Formkoerper
FR1152152A (fr) * 1956-03-20 1958-02-12 Thomson Houston Comp Francaise Matière anti-réflectrice absorbant les ondes hertziennes
US2873225A (en) * 1957-05-20 1959-02-10 Adams Edmond Magnetic flake core
JPS62221199A (ja) * 1986-03-24 1987-09-29 株式会社　リケン 磁気シ−ルド材
GB2232165A (en) * 1989-03-22 1990-12-05 Cookson Group Plc Magnetic compositions
US5352268A (en) * 1989-12-12 1994-10-04 Hitachi Metals, Ltd. Fe-Ni alloy fine powder of flat shape
US5207841A (en) * 1990-04-12 1993-05-04 Tdk Corporation Soft magnetic powder and magnetic shield composition
JPH04276002A (ja) * 1991-02-28 1992-10-01 Hitachi Metals Ltd 扁平状軟磁性Ｆｅ−Ｃｏ合金微粉末
DE4124458A1 (de) * 1991-07-24 1993-01-28 Degussa Emi-abschirmpigmente, verfahren zu deren herstellung und deren verwendung
FI117224B (fi) * 1994-01-20 2006-07-31 Nec Tokin Corp Sähkömagneettinen häiriönpoistokappale, ja sitä soveltavat elektroninen laite ja hybridimikropiirielementti
JP3401650B2 (ja) * 1994-01-20 2003-04-28 エヌイーシートーキン株式会社 電磁波干渉抑制体

Also Published As

Publication number Publication date
CN1097270C (zh) 2002-12-25
EP0764954A1 (en) 1997-03-26
DE69608933T2 (de) 2000-11-16
EP0951023B1 (en) 2001-12-19
JPH0993034A (ja) 1997-04-04
SG48471A1 (en) 1998-04-17
DE69618252D1 (de) 2002-01-31
DE69618252T2 (de) 2002-08-22
EP0951023A3 (en) 1999-11-03
EP0951023A2 (en) 1999-10-20
MY115205A (en) 2003-04-30
EP0764954B1 (en) 2000-06-21
CN1149747A (zh) 1997-05-14
DE69608933D1 (de) 2000-07-27
TW304269B (https=) 1997-05-01
KR970017717A (ko) 1997-04-30
US5827445A (en) 1998-10-27

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