TW368763B - Compound magnetic substance and the electromagnetic interference suppressor utilizing the same - Google Patents

Compound magnetic substance and the electromagnetic interference suppressor utilizing the same

Info

Publication number
TW368763B
TW368763B TW086112899A TW86112899A TW368763B TW 368763 B TW368763 B TW 368763B TW 086112899 A TW086112899 A TW 086112899A TW 86112899 A TW86112899 A TW 86112899A TW 368763 B TW368763 B TW 368763B
Authority
TW
Taiwan
Prior art keywords
magnetic substance
compound magnetic
same
electromagnetic interference
interference suppressor
Prior art date
Application number
TW086112899A
Other languages
English (en)
Inventor
Shigeyoshi Yoshida
Norihiko Ono
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
Application granted granted Critical
Publication of TW368763B publication Critical patent/TW368763B/zh

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
    • 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
    • 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
    • H01F1/14—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

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Soft Magnetic Materials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Hard Magnetic Materials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Biological Depolymerization Polymers (AREA)
TW086112899A 1996-09-06 1997-09-06 Compound magnetic substance and the electromagnetic interference suppressor utilizing the same TW368763B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8236554A JPH1083911A (ja) 1996-09-06 1996-09-06 複合磁性体及びそれを用いた電磁干渉抑制体

Publications (1)

Publication Number Publication Date
TW368763B true TW368763B (en) 1999-09-01

Family

ID=17002377

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086112899A TW368763B (en) 1996-09-06 1997-09-06 Compound magnetic substance and the electromagnetic interference suppressor utilizing the same

Country Status (7)

Country Link
EP (1) EP0866475B1 (zh)
JP (1) JPH1083911A (zh)
KR (1) KR100484000B1 (zh)
CN (1) CN1149592C (zh)
DE (1) DE69726401T2 (zh)
TW (1) TW368763B (zh)
WO (1) WO1998010440A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002217586A (ja) * 2001-01-22 2002-08-02 Sony Corp 電波吸収体
DE10106172A1 (de) * 2001-02-10 2002-08-29 Bosch Gmbh Robert Verfahren zur Herstellung eines Formteils aus einem weichmagnetischen Verbundwerkstoff
JP2002374092A (ja) * 2001-06-15 2002-12-26 Polymatech Co Ltd 放熱性電波吸収体
JP4249227B2 (ja) * 2004-12-03 2009-04-02 ニッタ株式会社 電磁干渉抑制体、アンテナ装置、及び電子情報伝達装置
WO2007029736A1 (ja) * 2005-09-06 2007-03-15 Santoku Corporation 多孔質鉄粉、その製造方法及び電波吸収体
JP4818852B2 (ja) * 2006-08-31 2011-11-16 ソニーケミカル＆インフォメーションデバイス株式会社 磁性シートの製造方法及び磁性シート
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
CN105744818A (zh) * 2016-02-03 2016-07-06 中电海康集团有限公司 一种柔性磁屏蔽和抗辐照薄膜
JP6371453B2 (ja) * 2017-08-29 2018-08-08 株式会社東栄科学産業 磁歪計測装置、磁歪計測方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275880A (en) * 1989-05-17 1994-01-04 Minnesota Mining And Manufacturing Company Microwave absorber for direct surface application
JPH05251222A (ja) * 1992-03-05 1993-09-28 Seiko Epson Corp 樹脂結合型磁石
FI117224B (fi) * 1994-01-20 2006-07-31 Nec Tokin Corp Sähkömagneettinen häiriönpoistokappale, ja sitä soveltavat elektroninen laite ja hybridimikropiirielementti

Also Published As

Publication number Publication date
CN1149592C (zh) 2004-05-12
DE69726401D1 (de) 2004-01-08
CN1200192A (zh) 1998-11-25
EP0866475B1 (en) 2003-11-26
DE69726401T2 (de) 2004-08-26
EP0866475A4 (en) 2000-04-12
JPH1083911A (ja) 1998-03-31
KR100484000B1 (ko) 2005-09-09
KR20000064312A (ko) 2000-11-06
WO1998010440A1 (fr) 1998-03-12
EP0866475A1 (en) 1998-09-23

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees