DE69700776T2 - Ferrit-magnet, pulver und herstellungsverfahren dafür - Google Patents

Ferrit-magnet, pulver und herstellungsverfahren dafür

Info

Publication number
DE69700776T2
DE69700776T2 DE69700776T DE69700776T DE69700776T2 DE 69700776 T2 DE69700776 T2 DE 69700776T2 DE 69700776 T DE69700776 T DE 69700776T DE 69700776 T DE69700776 T DE 69700776T DE 69700776 T2 DE69700776 T2 DE 69700776T2
Authority
DE
Germany
Prior art keywords
powder
production method
method therefor
ferrite magnet
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 - Lifetime
Application number
DE69700776T
Other languages
English (en)
Other versions
DE69700776D1 (de
Inventor
Sachio Toyota
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.)
Hitachi Metals Ltd
Original Assignee
Sumitomo Special Metals 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
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Application granted granted Critical
Publication of DE69700776D1 publication Critical patent/DE69700776D1/de
Publication of DE69700776T2 publication Critical patent/DE69700776T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2683—Other ferrites containing alkaline earth metals or lead
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • 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
DE69700776T 1996-03-26 1997-03-24 Ferrit-magnet, pulver und herstellungsverfahren dafür Expired - Lifetime DE69700776T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8097777A JPH09260124A (ja) 1996-03-26 1996-03-26 フェライト磁石及びその製造方法
PCT/JP1997/000962 WO1997035815A1 (en) 1996-03-26 1997-03-24 Ferrite magnet, and powder for ferrite magnet and production process thereof

Publications (2)

Publication Number Publication Date
DE69700776D1 DE69700776D1 (de) 1999-12-16
DE69700776T2 true DE69700776T2 (de) 2000-07-06

Family

ID=14201271

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69700776T Expired - Lifetime DE69700776T2 (de) 1996-03-26 1997-03-24 Ferrit-magnet, pulver und herstellungsverfahren dafür

Country Status (7)

Country Link
US (1) US5866028A (de)
EP (1) EP0828695B1 (de)
JP (2) JPH09260124A (de)
KR (1) KR100236155B1 (de)
CN (2) CN1082496C (de)
DE (1) DE69700776T2 (de)
WO (1) WO1997035815A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999067795A1 (fr) * 1998-06-25 1999-12-29 Tdk Corporation Aimant hexagonal en ferrite
WO2002081129A1 (fr) * 2001-04-02 2002-10-17 Mitsubishi Materials Corporation Materiau fritte magnetique doux composite ayant une densite elevee et une permeabilite magnetique elevee, et procede permettant sa preparation
JP4045410B2 (ja) * 2002-02-13 2008-02-13 戸田工業株式会社 軟磁性六方晶フェライト複合粒子粉末、該軟磁性六方晶フェライト複合粒子粉末を用いたグリーンシート並びに軟磁性六方晶フェライト焼結体
JP4294026B2 (ja) * 2003-02-25 2009-07-08 Ｔｄｋ株式会社 フェライト磁石粉末、焼結磁石、ボンド磁石、磁気記録媒体
JP4657922B2 (ja) * 2003-07-31 2011-03-23 Ｔｄｋ株式会社 フェライト磁性材料
EP1693355A1 (de) * 2003-12-09 2006-08-23 TDK Corporation Magnetisches ferritmaterial und ferrit-sintermagnet
US20080292538A1 (en) * 2004-01-28 2008-11-27 Tdk Corporation Process for Producing Ferrite Sintered Body
JP4820312B2 (ja) * 2006-03-31 2011-11-24 Ｄｏｗａエレクトロニクス株式会社 ボンド磁石用フェライト磁性粉およびその製造方法、並びにボンド磁石
CN101055796B (zh) * 2006-04-16 2010-12-29 张连墩 M型锶铁氧体磁性材料的制备方法
CN101989479B (zh) * 2009-08-03 2012-10-31 广东江粉磁材股份有限公司 一种烧结锶铁氧体永磁材料的制造方法
CN102801270B (zh) * 2011-05-26 2017-12-12 德昌电机(深圳)有限公司 永磁电机及具有该电机的厨房电器
WO2013021521A1 (en) 2011-08-09 2013-02-14 Kabushiki Kaisha Toyota Chuo Kenkyusho Ferrite particle and production method thereof
KR20150010519A (ko) 2013-07-19 2015-01-28 삼성전자주식회사 연자성 자기교환결합 복합 구조체 및 이를 포함한 고주파소자 부품, 안테나 모듈 및 자기저항소자
CN103413671A (zh) * 2013-08-27 2013-11-27 南通众兴磁业有限公司 一种铁氧体磁芯的制造方法
CN104860668B (zh) * 2015-04-17 2016-09-21 南通万宝实业有限公司 磁性料粉的制备方法
CN104817319B (zh) * 2015-04-17 2016-09-21 南通万宝实业有限公司 磁性料粉
KR101709753B1 (ko) 2015-05-08 2017-02-24 정대욱 집게형 머리핀 및 그 제조방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2733557A1 (de) * 1977-07-26 1979-02-01 Krupp Gmbh Verfahren zur herstellung eines anisotropen, oxidischen dauermagneten
NL8002990A (nl) * 1980-05-23 1981-12-16 Philips Nv Werkwijze voor het vervaardigen van een anisotrope permanente magneet op oxydebasis.
JPS59213105A (ja) * 1983-05-18 1984-12-03 Hitachi Metals Ltd 酸化物永久磁石材料の製造方法
JPH02120237A (ja) * 1988-10-28 1990-05-08 Dowa Mining Co Ltd 保磁力温度依存性の小さい高密度記録用フェライト粉末
KR930003198B1 (ko) * 1989-03-31 1993-04-23 스미토모 도꾸슈 긴조구 가부시기가이샤 고성능 스트론튬 페라이트 자석의 제조방법
JP3115466B2 (ja) * 1993-12-28 2000-12-04 ティーディーケイ株式会社 六方晶フェライト粒子の製造方法

Also Published As

Publication number Publication date
KR100236155B1 (ko) 1999-12-15
EP0828695B1 (de) 1999-11-10
EP0828695A1 (de) 1998-03-18
JPH09260124A (ja) 1997-10-03
CN1189419C (zh) 2005-02-16
US5866028A (en) 1999-02-02
DE69700776D1 (de) 1999-12-16
CN1181749A (zh) 1998-05-13
KR19990008174A (ko) 1999-01-25
CN1082496C (zh) 2002-04-10
WO1997035815A1 (en) 1997-10-02
JP2000501893A (ja) 2000-02-15
CN1328979A (zh) 2002-01-02
JP4046196B2 (ja) 2008-02-13

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: FEDER WALTER EBERT PATENTANWAELTE, 40237 DUESSELDO