EP0394020A3 - Particules en ferrite et composite ferrite-résine pour noyau magnétique à liant et procédé de leur fabrication - Google Patents

Particules en ferrite et composite ferrite-résine pour noyau magnétique à liant et procédé de leur fabrication Download PDF

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Publication number
EP0394020A3
EP0394020A3 EP19900304167 EP90304167A EP0394020A3 EP 0394020 A3 EP0394020 A3 EP 0394020A3 EP 19900304167 EP19900304167 EP 19900304167 EP 90304167 A EP90304167 A EP 90304167A EP 0394020 A3 EP0394020 A3 EP 0394020A3
Authority
EP
European Patent Office
Prior art keywords
ferrite
magnetic core
production
resin composite
bonded 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.)
Granted
Application number
EP19900304167
Other languages
German (de)
English (en)
Other versions
EP0394020A2 (fr
EP0394020B1 (fr
Inventor
Shigehisa Yamamoto
Masaru Kawabata
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.)
Toda Kogyo Corp
Original Assignee
Toda Kogyo 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
Priority claimed from JP1101204A external-priority patent/JP2743009B2/ja
Priority claimed from JP2050715A external-priority patent/JP2893351B2/ja
Application filed by Toda Kogyo Corp filed Critical Toda Kogyo Corp
Publication of EP0394020A2 publication Critical patent/EP0394020A2/fr
Publication of EP0394020A3 publication Critical patent/EP0394020A3/fr
Application granted granted Critical
Publication of EP0394020B1 publication Critical patent/EP0394020B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
EP19900304167 1989-04-19 1990-04-18 Particules en ferrite et composite ferrite-résine pour noyau magnétique à liant et procédé de leur fabrication Expired - Lifetime EP0394020B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1101204A JP2743009B2 (ja) 1989-04-19 1989-04-19 ボンド磁心用フェライト粒子粉末及びその製造法
JP101204/89 1989-04-19
JP50715/90 1990-02-28
JP2050715A JP2893351B2 (ja) 1990-02-28 1990-02-28 フェライト・樹脂複合組成物

Publications (3)

Publication Number Publication Date
EP0394020A2 EP0394020A2 (fr) 1990-10-24
EP0394020A3 true EP0394020A3 (fr) 1991-10-09
EP0394020B1 EP0394020B1 (fr) 1994-09-14

Family

ID=26391168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900304167 Expired - Lifetime EP0394020B1 (fr) 1989-04-19 1990-04-18 Particules en ferrite et composite ferrite-résine pour noyau magnétique à liant et procédé de leur fabrication

Country Status (2)

Country Link
EP (1) EP0394020B1 (fr)
DE (1) DE69012398T2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0542200B1 (fr) * 1991-11-11 1998-04-15 SIEMENS MATSUSHITA COMPONENTS GmbH & CO. KG Utilisation d'un matériau magnétique pour noyaux de bobbine
JP3838730B2 (ja) * 1997-02-13 2006-10-25 株式会社メイト 軟磁性複合材料
WO2000003404A1 (fr) * 1998-07-10 2000-01-20 Epcos Ag Produit magnetisable, son utilisation et son procede de production
JP3542319B2 (ja) 2000-07-07 2004-07-14 昭栄化学工業株式会社 単結晶フェライト微粉末
RU2182382C1 (ru) * 2001-01-23 2002-05-10 Ярославский государственный технический университет Способ получения магнитной жидкости
WO2007111793A2 (fr) * 2006-02-17 2007-10-04 Steward Advanced Materials, Inc. Procédé et appareil de projection à flamme oxygaz à faible vitesse (lvof) pour l'élaboration de produits de ferrite et produits ainsi obtenus
CN113871126B (zh) * 2021-09-26 2024-07-30 阜阳师范大学 一种磁性海泡石纳米晶磁芯及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2254536A1 (fr) * 1973-12-12 1975-07-11 Xerox Corp
US4268430A (en) * 1979-01-31 1981-05-19 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Ferrite composition having higher initial permeability and process for preparing molding product therefrom
EP0044592A1 (fr) * 1980-07-22 1982-01-27 Koninklijke Philips Electronics N.V. Composant électromagnétique à liant de résine synthétique et procédé pour sa fabrication
US4352717A (en) * 1975-08-12 1982-10-05 Dowa Mining Co., Ltd. Apparatus for production of spherical grain ferrite powder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2254536A1 (fr) * 1973-12-12 1975-07-11 Xerox Corp
US4352717A (en) * 1975-08-12 1982-10-05 Dowa Mining Co., Ltd. Apparatus for production of spherical grain ferrite powder
US4268430A (en) * 1979-01-31 1981-05-19 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Ferrite composition having higher initial permeability and process for preparing molding product therefrom
EP0044592A1 (fr) * 1980-07-22 1982-01-27 Koninklijke Philips Electronics N.V. Composant électromagnétique à liant de résine synthétique et procédé pour sa fabrication

Also Published As

Publication number Publication date
DE69012398D1 (de) 1994-10-20
EP0394020A2 (fr) 1990-10-24
DE69012398T2 (de) 1995-02-02
EP0394020B1 (fr) 1994-09-14

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