JPH0993034A - 複合磁性体及びその製造方法ならびに電磁干渉抑制体 - Google Patents

複合磁性体及びその製造方法ならびに電磁干渉抑制体

Info

Publication number
JPH0993034A
JPH0993034A JP7244096A JP24409695A JPH0993034A JP H0993034 A JPH0993034 A JP H0993034A JP 7244096 A JP7244096 A JP 7244096A JP 24409695 A JP24409695 A JP 24409695A JP H0993034 A JPH0993034 A JP H0993034A
Authority
JP
Japan
Prior art keywords
soft magnetic
powder
composite magnetic
magnetic body
magnetic
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.)
Pending
Application number
JP7244096A
Other languages
English (en)
Japanese (ja)
Inventor
栄▲吉▼ ▲吉▼田
Eikichi Yoshida
Mitsuharu Sato
光晴 佐藤
Hidekuni Sugawara
英州 菅原
Hiroshi Shimada
島田　　寛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokin Corp
Original Assignee
Tokin Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17113698&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH0993034(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tokin Corp filed Critical Tokin Corp
Priority to JP7244096A priority Critical patent/JPH0993034A/ja
Priority to EP99114943A priority patent/EP0951023B1/en
Priority to DE69618252T priority patent/DE69618252T2/de
Priority to US08/714,805 priority patent/US5827445A/en
Priority to EP96114895A priority patent/EP0764954B1/en
Priority to DE69608933T priority patent/DE69608933T2/de
Priority to MYPI96003855A priority patent/MY115205A/en
Priority to SG1996010660A priority patent/SG48471A1/en
Priority to KR1019960041006A priority patent/KR100247444B1/ko
Priority to CN96112346A priority patent/CN1097270C/zh
Priority to TW085111510A priority patent/TW304269B/zh
Publication of JPH0993034A publication Critical patent/JPH0993034A/ja
Pending legal-status Critical Current

Links

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)
JP7244096A 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 Pending JPH0993034A (ja)

Priority Applications (11)

Application Number Priority Date Filing Date Title
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
DE69608933T DE69608933T2 (de) 1995-09-22 1996-09-17 Magnetisches Kompositartikel zur Unterdrückung von elektromagnetischen Interferenzen
EP96114895A EP0764954B1 (en) 1995-09-22 1996-09-17 Composite magnetic article for electromagnetic interference suppressor
DE69618252T DE69618252T2 (de) 1995-09-22 1996-09-17 Magnetischer Kompositartikel zur Unterdrückung von elektromagnetischen Interferenzen
US08/714,805 US5827445A (en) 1995-09-22 1996-09-17 Composite magnetic article for electromagnetic interference suppressor
EP99114943A EP0951023B1 (en) 1995-09-22 1996-09-17 Composite magnetic article for electromagnetic interference suppressor
MYPI96003855A MY115205A (en) 1995-09-22 1996-09-18 Composite magnetic article for electromagnetic interference suppressor
SG1996010660A SG48471A1 (en) 1995-09-22 1996-09-20 Composite magnetic article for electromagnetic interference suppressor
KR1019960041006A KR100247444B1 (ko) 1995-09-22 1996-09-20 전자기 간섭 억제제용 복합 자석
CN96112346A CN1097270C (zh) 1995-09-22 1996-09-20 一种电磁干扰抑制磁性复合材料及其制造方法
TW085111510A TW304269B (2) 1995-09-22 1996-09-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007044131A Division JP4097160B2 (ja) 2007-02-23 2007-02-23 電磁干渉抑制体の製造方法

Publications (1)

Publication Number Publication Date
JPH0993034A true JPH0993034A (ja) 1997-04-04

Family

ID=17113698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7244096A Pending 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

Country Status (9)

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

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1187972A (ja) * 1997-09-01 1999-03-30 Tokin Corp 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
WO2001001519A1 (en) * 1998-01-27 2001-01-04 Tokin Corporation Directional antenna with electromagnetic interference suppressor
WO2008001897A1 (en) 2006-06-30 2008-01-03 Shin-Etsu Polymer Co., Ltd. Noise suppressing wiring member and printed wiring board
JP2008147403A (ja) * 2006-12-08 2008-06-26 Sumitomo Electric Ind Ltd 軟磁性複合材料
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
US7625640B2 (en) 2004-02-24 2009-12-01 Shin-Etsu Polymer Co., Ltd. Electromagnetic noise suppressor, structure with electromagnetic noise suppressing function, and method of manufacturing the same
JP2010283379A (ja) * 2010-08-19 2010-12-16 Sumitomo Electric Ind Ltd リアクトル
WO2011074609A1 (ja) 2009-12-15 2011-06-23 旭化成せんい株式会社 ノイズ吸収布帛

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
CN101231707A (zh) * 2007-01-25 2008-07-30 3M创新有限公司 电磁屏蔽装置
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
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

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1187972A (ja) * 1997-09-01 1999-03-30 Tokin Corp 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
WO2001001519A1 (en) * 1998-01-27 2001-01-04 Tokin Corporation Directional antenna with electromagnetic interference suppressor
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
US7887911B2 (en) 2003-03-25 2011-02-15 Shin-Etsu Polymer Co., Ltd. Electromagnetic noise suppressor, article with electromagnetic noise suppressing function and their manufacturing methods
US7625640B2 (en) 2004-02-24 2009-12-01 Shin-Etsu Polymer Co., Ltd. Electromagnetic noise suppressor, structure with electromagnetic noise suppressing function, and method of manufacturing the same
US8017255B2 (en) 2004-02-24 2011-09-13 Shin-Etsu Polymer Co., Ltd. Electromagnetic noise suppressor, structure with electromagnetic noise suppressing function, and method of manufacturing the same
EP2222144A2 (en) 2006-06-30 2010-08-25 Shin-Etsu Polymer Co., Ltd. Noise suppressing structure and printed wiring board
WO2008001897A1 (en) 2006-06-30 2008-01-03 Shin-Etsu Polymer Co., Ltd. Noise suppressing wiring member and printed wiring board
US8134084B2 (en) 2006-06-30 2012-03-13 Shin-Etsu Polymer Co., Ltd. Noise-suppressing wiring-member and printed wiring board
JP2008147403A (ja) * 2006-12-08 2008-06-26 Sumitomo Electric Ind Ltd 軟磁性複合材料
WO2011074609A1 (ja) 2009-12-15 2011-06-23 旭化成せんい株式会社 ノイズ吸収布帛
US9972913B2 (en) 2009-12-15 2018-05-15 Asahi Kasei Fibers Corporation Noise absorbing fabric
JP2010283379A (ja) * 2010-08-19 2010-12-16 Sumitomo Electric Ind Ltd リアクトル

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
SG48471A1 (en) 1998-04-17
DE69618252D1 (de) 2002-01-31
DE69618252T2 (de) 2002-08-22
EP0951023A3 (en) 1999-11-03
KR100247444B1 (ko) 2000-03-15
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 (2) 1997-05-01
KR970017717A (ko) 1997-04-30
US5827445A (en) 1998-10-27

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