NO20014745L - Soft magnetic powder and composite magnetic material using this - Google Patents

Soft magnetic powder and composite magnetic material using this

Info

Publication number
NO20014745L
NO20014745L NO20014745A NO20014745A NO20014745L NO 20014745 L NO20014745 L NO 20014745L NO 20014745 A NO20014745 A NO 20014745A NO 20014745 A NO20014745 A NO 20014745A NO 20014745 L NO20014745 L NO 20014745L
Authority
NO
Norway
Prior art keywords
composite
magnetic material
soft magnetic
magnetic powder
powder
Prior art date
Application number
NO20014745A
Other languages
Norwegian (no)
Other versions
NO20014745D0 (en
Inventor
Shigeyoshi Yoshida
Shinsuke Andoh
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
Application filed by Tokin Corp filed Critical Tokin Corp
Publication of NO20014745D0 publication Critical patent/NO20014745D0/en
Publication of NO20014745L publication Critical patent/NO20014745L/en

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
    • 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
    • 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
    • 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
    • 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
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/023—Reduction of cross-talk, noise or electromagnetic interference using auxiliary mounted passive components or auxiliary substances
    • H05K1/0233—Filters, inductors or a magnetic substance
NO20014745A 2000-01-28 2001-09-28 Soft magnetic powder and composite magnetic material using this NO20014745L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000024772A JP2001210510A (en) 2000-01-28 2000-01-28 Soft magnetic powder and composite magnetic unit using the same
PCT/JP2001/000438 WO2001056043A1 (en) 2000-01-28 2001-01-24 Soft magnetic powder and composite magnetic material using the same

Publications (2)

Publication Number Publication Date
NO20014745D0 NO20014745D0 (en) 2001-09-28
NO20014745L true NO20014745L (en) 2001-09-28

Family

ID=18550712

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20014745A NO20014745L (en) 2000-01-28 2001-09-28 Soft magnetic powder and composite magnetic material using this

Country Status (6)

Country Link
EP (1) EP1166289A1 (en)
JP (1) JP2001210510A (en)
KR (1) KR20020034989A (en)
CN (1) CN1363100A (en)
NO (1) NO20014745L (en)
WO (1) WO2001056043A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3864773B2 (en) * 2001-12-10 2007-01-10 三菱マテリアル株式会社 Mixed powder for radio wave absorber and radio wave absorber exhibiting excellent radio wave absorption characteristics for high frequencies in a wide frequency band
US20040041121A1 (en) * 2002-08-30 2004-03-04 Shigeyoshi Yoshida Magnetic loss material and method of producing the same
JP4530140B2 (en) * 2004-06-28 2010-08-25 Ｔｄｋ株式会社 Soft magnetic material and antenna device using the same
KR100571119B1 (en) * 2005-01-11 2006-04-13 공주대학교 산학협력단 Soft magnetic nano-particles coated with ferrites and making process thereof, soft magnetic core using the same
CN101142044B (en) * 2005-01-25 2010-12-01 大冶美有限公司 Iron powder coated with mg-containing oxide film
DE102005022473B4 (en) * 2005-05-14 2007-05-24 Forschungszentrum Karlsruhe Gmbh Device for damping reflections of electromagnetic waves, process for their preparation and their use
JP2006339528A (en) * 2005-06-03 2006-12-14 Polymatech Co Ltd Radio wave absorber and its manufacturing method
BRPI0622420B8 (en) * 2005-09-16 2022-07-12 Starck H C Gmbh VALVE METAL POWDER AND USE OF A VALVE METAL POWDER
JP5453036B2 (en) * 2009-10-06 2014-03-26 Ｎｅｃトーキン株式会社 Composite magnetic material
EP2938175A4 (en) * 2012-12-19 2016-11-02 Toda Kogyo Corp Electromagnetic interference suppression body
JP6280157B2 (en) * 2016-05-17 2018-02-14 株式会社リケン Near-field noise suppression sheet
CN105985583A (en) * 2016-06-02 2016-10-05 横店集团东磁股份有限公司 Preparation method of rubber-plastic soft-magnetism antifreeze plate for wireless charging
CN112980199B (en) * 2021-04-19 2022-06-03 闽都创新实验室 Organosilicon composite magnetic material for shielding low-frequency alternating magnetic field and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0993034A (en) * 1995-09-22 1997-04-04 Tokin Corp Compound magnetic substance, manufacture of the same and electromagnetic interference suppresser
JP3404618B2 (en) * 1996-09-02 2003-05-12 エヌイーシートーキン株式会社 Electromagnetic interference suppressor

Also Published As

Publication number Publication date
JP2001210510A (en) 2001-08-03
KR20020034989A (en) 2002-05-09
CN1363100A (en) 2002-08-07
WO2001056043A1 (en) 2001-08-02
NO20014745D0 (en) 2001-09-28
EP1166289A1 (en) 2002-01-02

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application