FR2738949B1 - Materiau magnetique composite a permeabilite et pertes reduites - Google Patents

Materiau magnetique composite a permeabilite et pertes reduites

Info

Publication number
FR2738949B1
FR2738949B1 FR9510952A FR9510952A FR2738949B1 FR 2738949 B1 FR2738949 B1 FR 2738949B1 FR 9510952 A FR9510952 A FR 9510952A FR 9510952 A FR9510952 A FR 9510952A FR 2738949 B1 FR2738949 B1 FR 2738949B1
Authority
FR
France
Prior art keywords
magnetic material
magnetic
losses
composite magnetic
reduced permeability
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 - Fee Related
Application number
FR9510952A
Other languages
English (en)
Other versions
FR2738949A1 (fr
Inventor
Jean Pierre Delvinquier
Richard Lebourgeois
Michel Pate
Claude Rohart
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9510952A priority Critical patent/FR2738949B1/fr
Priority to US08/711,272 priority patent/US6120916A/en
Priority to DE69611072T priority patent/DE69611072T2/de
Priority to EP96401962A priority patent/EP0764955B1/fr
Priority to AT96401962T priority patent/ATE197855T1/de
Priority to JP8266569A priority patent/JPH09129434A/ja
Priority to CA002185930A priority patent/CA2185930A1/fr
Publication of FR2738949A1 publication Critical patent/FR2738949A1/fr
Application granted granted Critical
Publication of FR2738949B1 publication Critical patent/FR2738949B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Magnetic Ceramics (AREA)
FR9510952A 1995-09-19 1995-09-19 Materiau magnetique composite a permeabilite et pertes reduites Expired - Fee Related FR2738949B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR9510952A FR2738949B1 (fr) 1995-09-19 1995-09-19 Materiau magnetique composite a permeabilite et pertes reduites
US08/711,272 US6120916A (en) 1995-09-19 1996-09-09 Composite magnetic material with reduced permeability and losses
EP96401962A EP0764955B1 (fr) 1995-09-19 1996-09-13 Matériau magnétique composite à perméabilité et pertes réduites
AT96401962T ATE197855T1 (de) 1995-09-19 1996-09-13 Kompositmagnetmaterial mit reduzierte permeabilität und verluste
DE69611072T DE69611072T2 (de) 1995-09-19 1996-09-13 Magnetisches verbundmaterial mit reduzierter permeabilität und verringerten verlusten
JP8266569A JPH09129434A (ja) 1995-09-19 1996-09-18 透磁率と損失の小さい合成磁気材料
CA002185930A CA2185930A1 (fr) 1995-09-19 1996-09-18 Materiau magnetique composite a permeabilite et pertes reduites

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9510952A FR2738949B1 (fr) 1995-09-19 1995-09-19 Materiau magnetique composite a permeabilite et pertes reduites

Publications (2)

Publication Number Publication Date
FR2738949A1 FR2738949A1 (fr) 1997-03-21
FR2738949B1 true FR2738949B1 (fr) 1997-10-24

Family

ID=9482685

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9510952A Expired - Fee Related FR2738949B1 (fr) 1995-09-19 1995-09-19 Materiau magnetique composite a permeabilite et pertes reduites

Country Status (7)

Country Link
US (1) US6120916A (fr)
EP (1) EP0764955B1 (fr)
JP (1) JPH09129434A (fr)
AT (1) ATE197855T1 (fr)
CA (1) CA2185930A1 (fr)
DE (1) DE69611072T2 (fr)
FR (1) FR2738949B1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1097463T3 (da) 1998-07-10 2003-02-17 Epcos Ag Magnetiserbart produkt, brugen af samme såvel som en fremgangsmåde til fremstilling af samme
FR2795855B1 (fr) * 1999-06-29 2001-10-05 Thomson Csf Ferrites a faibles pertes
DE10000523A1 (de) * 2000-01-08 2001-07-26 Inst Maschinen Antriebe Und El Ferrit-Compound-Material mit hoher elektromagnetischer Absorption im Frequenzbereich von 20 MHz bis 40 GHz
US20030112110A1 (en) * 2001-09-19 2003-06-19 Mark Pavier Embedded inductor for semiconductor device circuit
JP2003124538A (ja) * 2001-10-16 2003-04-25 Sony Corp 情報記憶装置およびその情報記憶装置を実装した電子機器
US6610415B2 (en) * 2001-10-26 2003-08-26 Koslow Technologies Corporation Magnetic or magnetizable composite product and a method for making and using same
US7353587B2 (en) * 2004-11-01 2008-04-08 Vlt, Inc. Forming distributed gap magnetic cores
FR2879593B1 (fr) * 2004-12-20 2007-03-02 Thales Sa Materiau ferrite a faibles pertes en hyperfrequence et procede de fabrication
US20100059258A1 (en) * 2008-08-19 2010-03-11 Xu Yang Ferrite Mosaic and Magnetic Core Structure for Passive Substrate for Switched-Mode Power Supply Module
JP2011222727A (ja) * 2010-04-08 2011-11-04 Iq Four:Kk トロイダルコアとこれを用いた高周波トロイダルコイル及び高周波トロイダルトランス
JP5374537B2 (ja) * 2010-05-28 2013-12-25 住友電気工業株式会社 軟磁性粉末、造粒粉、圧粉磁心、電磁部品及び圧粉磁心の製造方法
DE102013225875A1 (de) * 2013-12-13 2015-07-02 Siemens Aktiengesellschaft Führung eines magnetischen Flusses
DE102014202531A1 (de) * 2014-02-12 2015-08-13 Siemens Aktiengesellschaft Hochspannungstransformatorvorrichtung mit einstellbarer Streuung, Wechselrichterschaltung mit einer Hochspannungstransformatorvorrichtung und Verwendung einer Hochspannungstransformatorvorrichtung
US20220093321A1 (en) * 2019-02-22 2022-03-24 Mitsubishi Electric Corporation Power converter and coil apparatus
CN111875368B (zh) * 2020-07-17 2022-08-09 中国电子科技集团公司第九研究所 一种低磁导率铁氧体磁性介质材料、其制备方法及应用
JP7428098B2 (ja) * 2020-07-31 2024-02-06 Tdk株式会社 インダクタ部品及びこれを用いたｄｃｄｃコンバータ
CN112538253A (zh) * 2020-12-07 2021-03-23 陕西生益科技有限公司 一种磁介电树脂组合物、包含其的层压板及其印刷电路板

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255052A (en) * 1963-12-09 1966-06-07 Magnetics Inc Flake magnetic core and method of making same
US3535200A (en) * 1967-09-18 1970-10-20 Gen Motors Corp Multilayered mechanically oriented ferrite
US3927930A (en) * 1972-07-10 1975-12-23 Polaroid Corp Light polarization employing magnetically oriented ferrite suspensions
NL8004200A (nl) * 1980-07-22 1982-02-16 Philips Nv Kunststofgebonden electromagnetische component en werkwijze voor het vervaardigen daarvan.
JPS5996532A (ja) * 1982-11-25 1984-06-04 Fuji Photo Film Co Ltd 磁気記録体
US4595440A (en) * 1983-12-08 1986-06-17 Memron Inc. Transfer process for forming magnetic disk memories
DE4214376A1 (de) * 1992-04-30 1993-11-04 Siemens Matsushita Components Magnetisches material fuer leistungsuebertragerkerne
US5413903A (en) * 1993-10-12 1995-05-09 Eastman Kodak Company Element having a transparent magnetic recording layer containing barium ferrite particles
US5643686A (en) * 1994-01-06 1997-07-01 Tokyo Magnetic Printing Co., Ltd. Magnetic recording medium and method for manufacturing the same
US5700594A (en) * 1995-02-09 1997-12-23 Eastman Kodak Company Magnetic medium capable of supporting both longitudinal and perpendicular recording, and method of making same
FR2740259B1 (fr) * 1995-10-24 1997-11-07 Thomson Csf Noyau magnetique mixte

Also Published As

Publication number Publication date
CA2185930A1 (fr) 1997-03-20
DE69611072T2 (de) 2001-05-10
EP0764955A1 (fr) 1997-03-26
EP0764955B1 (fr) 2000-11-29
ATE197855T1 (de) 2000-12-15
US6120916A (en) 2000-09-19
FR2738949A1 (fr) 1997-03-21
DE69611072D1 (de) 2001-01-04
JPH09129434A (ja) 1997-05-16

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ST Notification of lapse