DE60002032T2 - Komposit-magnetkörper und körper zur unterdrückung von elektromagnetischen interferenzen - Google Patents

Komposit-magnetkörper und körper zur unterdrückung von elektromagnetischen interferenzen

Info

Publication number
DE60002032T2
DE60002032T2 DE60002032T DE60002032T DE60002032T2 DE 60002032 T2 DE60002032 T2 DE 60002032T2 DE 60002032 T DE60002032 T DE 60002032T DE 60002032 T DE60002032 T DE 60002032T DE 60002032 T2 DE60002032 T2 DE 60002032T2
Authority
DE
Germany
Prior art keywords
composite magnetic
suppressing electromagnetic
electromagnetic interferences
magnetic body
interferences
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.)
Expired - Lifetime
Application number
DE60002032T
Other languages
English (en)
Other versions
DE60002032D1 (de
Inventor
Yoshio Awakura
Shigeyoshi Yoshida
Mikio Nishimura
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
NEC 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
Application filed by NEC Tokin Corp filed Critical NEC Tokin Corp
Publication of DE60002032D1 publication Critical patent/DE60002032D1/de
Application granted granted Critical
Publication of DE60002032T2 publication Critical patent/DE60002032T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • 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
    • H01F1/22—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 pressed, sintered, or bound together
    • H01F1/24—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 pressed, sintered, or bound together the particles being insulated
    • H01F1/26—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 pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
    • 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
    • H01F1/36—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 in the form of particles
    • H01F1/37—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 in the form of particles in a bonding agent
    • H01F1/375—Flexible bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Hard Magnetic Materials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Soft Magnetic Materials (AREA)
DE60002032T 1999-10-18 2000-10-18 Komposit-magnetkörper und körper zur unterdrückung von elektromagnetischen interferenzen Expired - Lifetime DE60002032T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP29544099A JP3641796B2 (ja) 1999-10-18 1999-10-18 電磁干渉抑制体
PCT/JP2000/007209 WO2001029851A1 (en) 1999-10-18 2000-10-18 Composite magnetic body and electromagnetic interference suppressing body using the same

Publications (2)

Publication Number Publication Date
DE60002032D1 DE60002032D1 (de) 2003-05-15
DE60002032T2 true DE60002032T2 (de) 2003-12-11

Family

ID=17820629

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60002032T Expired - Lifetime DE60002032T2 (de) 1999-10-18 2000-10-18 Komposit-magnetkörper und körper zur unterdrückung von elektromagnetischen interferenzen

Country Status (9)

Country Link
US (1) US6712989B1 (de)
EP (1) EP1131828B1 (de)
JP (1) JP3641796B2 (de)
KR (1) KR100476509B1 (de)
CN (1) CN1214407C (de)
DE (1) DE60002032T2 (de)
MY (1) MY127038A (de)
TW (1) TW501148B (de)
WO (1) WO2001029851A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3641797B2 (ja) 1999-10-18 2005-04-27 Ｎｅｃトーキン株式会社 電磁干渉抑制体
CN100388873C (zh) * 2003-03-25 2008-05-14 信越聚合物株式会社 电磁波噪声抑制体、具有电磁波噪声抑制功能的物品及其制造方法
JP4005048B2 (ja) * 2003-04-09 2007-11-07 日信工業株式会社 炭素繊維複合材料およびその製造方法
US7167140B2 (en) 2003-07-02 2007-01-23 Nec Tokin Corporation Coil antenna
WO2005018298A2 (en) * 2003-08-18 2005-02-24 Showa Denko K.K. Electromagnetic wave absorber
EP1592085B1 (de) * 2004-04-27 2008-07-16 Nec Tokin Corporation Spulenantenne
JP3964401B2 (ja) * 2004-04-27 2007-08-22 Ｎｅｃトーキン株式会社 アンテナ用コア、コイルアンテナ、時計、携帯電話機、電子装置
JP2006167710A (ja) * 2004-11-22 2006-06-29 Nissin Kogyo Co Ltd 薄膜の製造方法及び薄膜が形成された基材、電子放出材料及びその製造方法並びに電子放出装置
US7359629B2 (en) * 2005-02-25 2008-04-15 Premix Inc. Molding compounds for use in furnace blower housings and blower housings molded from these compounds
US20080146864A1 (en) * 2006-12-18 2008-06-19 Pip-Fujimoto Co., Ltd. Magnetic therapeutic device and method for producing magnetic therapeutic device
JP2009026988A (ja) * 2007-07-20 2009-02-05 Nec Tokin Corp 電磁干渉抑制体
CN101100549B (zh) * 2007-07-30 2010-11-03 中国工程物理研究院总体工程研究所 柔性压磁复合材料及其制备方法
KR100902868B1 (ko) 2007-11-27 2009-06-16 평화오일씰공업주식회사 허브 베어링 엔코더용 자성 고무 조성물
JP5108859B2 (ja) * 2009-11-16 2012-12-26 藤倉ゴム工業株式会社 ノイズ抑制シートの製造方法
JP2012044084A (ja) * 2010-08-23 2012-03-01 Sony Chemical & Information Device Corp 電磁波吸収性熱伝導シート及び電磁波吸収性熱伝導シートの製造方法
CN103871706B (zh) * 2012-12-17 2017-04-05 深圳市经纬科技有限公司 电磁屏手机及用于电磁屏手机的软磁材料片
CN106571221B (zh) * 2016-11-15 2018-07-06 广州天兹新材料科技有限公司 一种各向异性软磁复合材料的制备方法
CN109041556A (zh) * 2018-07-16 2018-12-18 苏州微磁新材料有限公司 吸波材料及其制备方法和应用
CN112271050B (zh) * 2020-09-23 2023-11-17 海宁市东俊塑磁有限公司 一种软磁条及其加工方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2137487A1 (de) 1971-07-27 1973-02-01 Licentia Gmbh Flexibler ferritkeeper
US4731191A (en) 1985-12-31 1988-03-15 Dow Corning Corporation Method for protecting carbonyl iron powder and compositions therefrom
JPH0797666B2 (ja) * 1987-08-28 1995-10-18 株式会社東芝 磁力検出用半導体素子の製造方法
US5498644A (en) 1993-09-10 1996-03-12 Specialty Silicone Products, Inc. Silcone elastomer incorporating electrically conductive microballoons and method for producing same
JPH07207160A (ja) * 1994-01-11 1995-08-08 Toshiba Silicone Co Ltd シリコーン組成物およびその製造方法
JPH1092623A (ja) * 1996-09-12 1998-04-10 Tokin Corp 電磁干渉抑制体
US6284363B1 (en) * 1998-03-23 2001-09-04 Fuji Polymer Industries Co., Ltd. Electromagnetic wave absorbing thermoconductive silicone gel molded sheet and method for producing the same
JP2000101284A (ja) * 1998-09-24 2000-04-07 Sony Corp 電磁波吸収体およびその製造方法
JP2000174480A (ja) * 1998-12-01 2000-06-23 Fujikura Rubber Ltd 難燃電磁波遮蔽シート及びその製造方法
JP2001044687A (ja) * 1999-07-29 2001-02-16 Nitto Denko Corp 電波吸収体及びその製造方法
JP4623244B2 (ja) * 2000-04-11 2011-02-02 信越化学工業株式会社 電磁波吸収性熱伝導性シリコーンゴム組成物
JP3719382B2 (ja) * 2000-10-25 2005-11-24 信越化学工業株式会社 電磁波吸収性シリコーンゴム組成物

Also Published As

Publication number Publication date
WO2001029851A1 (en) 2001-04-26
DE60002032D1 (de) 2003-05-15
JP2001119189A (ja) 2001-04-27
KR20010086120A (ko) 2001-09-07
KR100476509B1 (ko) 2005-03-17
MY127038A (en) 2006-11-30
EP1131828B1 (de) 2003-04-09
CN1327599A (zh) 2001-12-19
CN1214407C (zh) 2005-08-10
EP1131828A1 (de) 2001-09-12
JP3641796B2 (ja) 2005-04-27
US6712989B1 (en) 2004-03-30
TW501148B (en) 2002-09-01

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