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DE68921971D1 - Komposit-Ferrit-Material. - Google Patents

Komposit-Ferrit-Material.

Info

Publication number
DE68921971D1
DE68921971D1 DE68921971T DE68921971T DE68921971D1 DE 68921971 D1 DE68921971 D1 DE 68921971D1 DE 68921971 T DE68921971 T DE 68921971T DE 68921971 T DE68921971 T DE 68921971T DE 68921971 D1 DE68921971 D1 DE 68921971D1
Authority
DE
Germany
Prior art keywords
ferrite material
composite ferrite
composite
ferrite
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
DE68921971T
Other languages
English (en)
Other versions
DE68921971T2 (de
Inventor
Shinji Harada
Tadashi Kawamata
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 JP63334403A external-priority patent/JPH02177511A/ja
Priority claimed from JP6243589A external-priority patent/JP2762530B2/ja
Priority claimed from JP6248389A external-priority patent/JP2762532B2/ja
Priority claimed from JP6243689A external-priority patent/JP2762531B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE68921971D1 publication Critical patent/DE68921971D1/de
Publication of DE68921971T2 publication Critical patent/DE68921971T2/de
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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/10—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/10—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure 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
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
DE68921971T 1988-12-28 1989-12-28 Komposit-Ferrit-Material. Expired - Fee Related DE68921971T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP63334403A JPH02177511A (ja) 1988-12-28 1988-12-28 フェライト磁性体およびその製造方法
JP6243589A JP2762530B2 (ja) 1989-03-15 1989-03-15 フェライト磁性体の製造方法
JP6248389A JP2762532B2 (ja) 1989-03-15 1989-03-15 フェライト磁性体およびその製造方法
JP6243689A JP2762531B2 (ja) 1989-03-15 1989-03-15 フェライト磁性体およびその製造方法

Publications (2)

Publication Number Publication Date
DE68921971D1 true DE68921971D1 (de) 1995-05-04
DE68921971T2 DE68921971T2 (de) 1995-08-03

Family

ID=27464165

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921971T Expired - Fee Related DE68921971T2 (de) 1988-12-28 1989-12-28 Komposit-Ferrit-Material.

Country Status (4)

Country Link
US (1) US5120366A (de)
EP (1) EP0376319B1 (de)
KR (1) KR920004025B1 (de)
DE (1) DE68921971T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6623878B1 (en) 1999-10-04 2003-09-23 Murata Manufacturing Co., Ltd. Sintered ferrite body and laminated ferrite component including same

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5446459A (en) * 1991-08-13 1995-08-29 Korea Institute Of Science And Technology Wide band type electromagnetic wave absorber
US5691498A (en) * 1992-02-07 1997-11-25 Trw Inc. Hermetically-sealed electrically-absorptive low-pass radio frequency filters and electromagnetically lossy ceramic materials for said filters
KR100222757B1 (ko) * 1996-11-30 1999-10-01 이형도 인덕터용 연자성재료 및 이를 이용한 인덕터의 제조방법
KR100222756B1 (ko) * 1996-11-30 1999-10-01 이형도 저온소성용 고주파 연자성재료 및 이를 이용한 인덕터의 제조방법
EP0936638A3 (de) * 1998-02-12 1999-12-29 Siemens Aktiengesellschaft Verfahren zur Herstellung eines ferromagnetischen Presskörpers sowie ferromagnetischer Presskörper und Verwendung dieses Presskörpers
WO2000003404A1 (de) 1998-07-10 2000-01-20 Epcos Ag Magnetisierbares erzeugnis, seine verwendung sowie ein verfahren zu seiner herstellung
US6531187B2 (en) * 1999-04-23 2003-03-11 Agency Of Industrial Science And Technology Method of forming a shaped body of brittle ultra fine particles with mechanical impact force and without heating
DE10020083A1 (de) * 2000-04-22 2001-10-31 Bosch Gmbh Robert Gesinterter weichmagnetischer Werkstoff und Verfahren zu dessen Herstellung
US20040238796A1 (en) * 2001-08-09 2004-12-02 Masanori Abe Composite magnetic material prepared by compression forming of ferrite-coated metal particles and method for preparation thereof
TWI330672B (en) * 2002-05-28 2010-09-21 Nat Inst Of Advanced Ind Scien Method for forming ultrafine particle brittle material at low temperature
CN100565721C (zh) 2003-08-06 2009-12-02 日本科学冶金株式会社 软磁性复合粉末及其制造方法、和软磁性成形体的制造方法
JP4683327B2 (ja) * 2005-03-31 2011-05-18 日立金属株式会社 フェライト焼結体およびその製造方法
US8217730B1 (en) 2011-04-13 2012-07-10 Raytheon Canada Limited High power waveguide cluster circulator
WO2012154741A1 (en) * 2011-05-09 2012-11-15 Metamagnetics, Inc. Magnetic grain boundary engineered ferrite core materials
WO2016013183A1 (ja) * 2014-07-22 2016-01-28 パナソニックＩｐマネジメント株式会社 複合磁性材料とこれを用いたコイル部品ならびに複合磁性材料の製造方法
DE102015220337A1 (de) * 2015-10-19 2017-04-20 Robert Bosch Gmbh Gebundener Magnet, Verfahren zu dessen Herstellung und elektrische Maschine
CN118085512B (zh) * 2024-01-31 2025-02-14 深圳市储康科技研发有限公司 一种具有保健功能的镜框及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042519A (en) * 1973-02-16 1977-08-16 Owens-Illinois, Inc. Ferrimagnetic glass-ceramics
JPS58135133A (ja) * 1982-02-08 1983-08-11 Hitachi Metals Ltd フエライト磁性材料
JPS58135609A (ja) * 1982-02-08 1983-08-12 Hitachi Metals Ltd フエライト磁性材料の製造方法
JPS58135606A (ja) * 1982-02-08 1983-08-12 Hitachi Metals Ltd フエライト磁性材料
JPS58141511A (ja) * 1982-02-18 1983-08-22 Hitachi Metals Ltd フエライト磁性材料
JPS58147008A (ja) * 1982-02-25 1983-09-01 Hitachi Metals Ltd 軟磁性フエライト材料の製造方法
JPS58151331A (ja) * 1982-03-02 1983-09-08 Fuji Elelctrochem Co Ltd 低温焼結可能な酸化物磁性材料

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6623878B1 (en) 1999-10-04 2003-09-23 Murata Manufacturing Co., Ltd. Sintered ferrite body and laminated ferrite component including same

Also Published As

Publication number Publication date
EP0376319A3 (de) 1991-06-12
KR920004025B1 (ko) 1992-05-22
DE68921971T2 (de) 1995-08-03
EP0376319A2 (de) 1990-07-04
EP0376319B1 (de) 1995-03-29
KR900010817A (ko) 1990-07-09
US5120366A (en) 1992-06-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee