DE69839208D1 - Sintermagnet - Google Patents
SintermagnetInfo
- Publication number
- DE69839208D1 DE69839208D1 DE69839208T DE69839208T DE69839208D1 DE 69839208 D1 DE69839208 D1 DE 69839208D1 DE 69839208 T DE69839208 T DE 69839208T DE 69839208 T DE69839208 T DE 69839208T DE 69839208 D1 DE69839208 D1 DE 69839208D1
- Authority
- DE
- Germany
- Prior art keywords
- sinter magnet
- sinter
- magnet
- 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
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
- G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
-
- 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
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
- C04B35/2633—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
-
- 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
- C04B35/2641—Compositions containing one or more ferrites of the group comprising rare earth metals and one or more ferrites of the group comprising alkali metals, alkaline earth metals or lead
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27392897 | 1997-09-19 | ||
JP27392897 | 1997-09-19 | ||
JP20443398 | 1998-07-03 | ||
JP20443398 | 1998-07-03 | ||
PCT/JP1998/004242 WO1999016086A1 (fr) | 1997-09-19 | 1998-09-21 | Corps d'oxyde magnetique, particules de ferrite, aimant agglomere, aimant fritte, procede de fabrication de ces materiaux, et support d'enregistrement magnetique |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69839208D1 true DE69839208D1 (de) | 2008-04-17 |
DE69839208T2 DE69839208T2 (de) | 2009-03-12 |
Family
ID=26514468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69839208T Expired - Lifetime DE69839208T2 (de) | 1997-09-19 | 1998-09-21 | Sintermagnet |
Country Status (4)
Country | Link |
---|---|
US (1) | US6402980B1 (de) |
EP (1) | EP0940823B1 (de) |
DE (1) | DE69839208T2 (de) |
WO (1) | WO1999016086A1 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1167087C (zh) * | 1998-11-26 | 2004-09-15 | 住友特殊金属株式会社 | 铁氧体磁铁粉末、用该磁铁粉末的磁铁及它们的制造方法 |
US6908568B2 (en) * | 1999-02-15 | 2005-06-21 | Tdk Corporation | Preparation of oxide magnetic material and oxide magnetic material |
JP3262109B2 (ja) * | 1999-08-31 | 2002-03-04 | 住友特殊金属株式会社 | 磁石粉末およびその製造方法 |
JP2002246216A (ja) * | 2000-12-15 | 2002-08-30 | Sumitomo Special Metals Co Ltd | 永久磁石、およびその製造方法 |
JP4538991B2 (ja) * | 2001-02-07 | 2010-09-08 | 日立金属株式会社 | 永久磁石およびその製造方法 |
CN1218330C (zh) * | 2002-05-31 | 2005-09-07 | 三洋电机株式会社 | 氧化物磁性材料的制造方法和氧化物磁性材料 |
EP1667176B1 (de) | 2003-09-12 | 2016-03-23 | Hitachi Metals, Ltd. | Gesinterter ferritmagnet |
MXPA06015044A (es) * | 2004-09-10 | 2007-04-25 | Neomax Co Ltd | Material magnetico de oxido e iman sinterizado. |
EP1675134A3 (de) * | 2004-12-24 | 2007-01-24 | Hengdian Group EMEGC Magnetics Co Ltd | Sintermagnet und zugehöriges Herstellungsverfahren |
US7919007B2 (en) * | 2005-12-19 | 2011-04-05 | Tdk Corporation | Ferrite magnetic material |
WO2007077811A1 (ja) * | 2005-12-28 | 2007-07-12 | Hitachi Metals, Ltd. | 酸化物磁性材料 |
KR101375431B1 (ko) | 2006-03-10 | 2014-03-17 | 히타치 긴조쿠 가부시키가이샤 | 회전기, 본드 자석, 마그넷 롤 및 페라이트 소결 자석의 제조 방법 |
JP4508143B2 (ja) * | 2006-04-06 | 2010-07-21 | 株式会社デンソー | 燃料ポンプ |
JP4685893B2 (ja) * | 2008-03-31 | 2011-05-18 | Tdk株式会社 | 焼結磁石の製造方法 |
EP2452928B1 (de) | 2009-07-08 | 2016-09-07 | TDK Corporation | Ferritmagnetisches material |
BR112012022418A2 (pt) | 2010-03-10 | 2024-03-12 | Hitachi Metals Ltd | Eletroíma de ferrita sinterizado e seu método de produção |
KR101858484B1 (ko) | 2010-12-28 | 2018-06-27 | 히타치 긴조쿠 가부시키가이샤 | 페라이트 소결 자석 및 그 제조 방법 |
EP2881956B1 (de) | 2012-07-31 | 2017-07-05 | Hitachi Metals, Ltd. | Ferritsintermagnet und verfahren zu dessen herstellung |
EP2892058B1 (de) | 2012-08-31 | 2019-12-18 | Hitachi Metals, Ltd. | Kalzinierter ferritkörper, verfahren zur herstellung eines ferrit-sintermagnets und ferrit-sintermagnet |
EP2905790B1 (de) | 2012-09-28 | 2024-02-07 | Proterial, Ltd. | Gesinterter ferritmagnet und verfahren zur herstellung davon |
JP6459963B2 (ja) | 2013-04-03 | 2019-01-30 | 戸田工業株式会社 | ボンド磁石用フェライト粒子粉末、ボンド磁石用樹脂組成物ならびにそれらを用いた成型体 |
KR20150010519A (ko) | 2013-07-19 | 2015-01-28 | 삼성전자주식회사 | 연자성 자기교환결합 복합 구조체 및 이를 포함한 고주파소자 부품, 안테나 모듈 및 자기저항소자 |
JP6061111B2 (ja) * | 2013-08-22 | 2017-01-18 | 株式会社村田製作所 | 酸化物セラミックス、及びセラミック電子部品 |
US20160217892A1 (en) | 2013-10-02 | 2016-07-28 | Toda Kogyo Corp. | Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same |
RU2542065C1 (ru) * | 2014-02-11 | 2015-02-20 | Федеральное государственное бюджетное учреждение науки институт физики им. Л.В. Киренского Сибирского отделения Российской академии наук | Лютецийсодержащий спин-стекольный магнитный материал |
WO2015178080A1 (ja) * | 2014-05-21 | 2015-11-26 | 株式会社村田製作所 | 酸化物セラミックス、及びセラミック電子部品 |
WO2016052483A1 (ja) * | 2014-10-01 | 2016-04-07 | 戸田工業株式会社 | ボンド磁石用フェライト粒子粉末、ボンド磁石用樹脂組成物ならびにそれらを用いた成型体 |
DE102017200810B4 (de) * | 2016-01-26 | 2021-03-18 | Würth Elektronik eiSos Gmbh & Co. KG | Bauelement zur elektromagnetischen Störunterdrückung und Verfahren zum Herstellen eines Bauelements zur elektromagnetischen Störunterdrückung |
DE102019104583A1 (de) | 2018-02-26 | 2019-08-29 | Tdk Corporation | Ferrit-sintermagnet, motor und generator |
CN108774005B (zh) * | 2018-05-24 | 2021-08-24 | 成都锦钛精工科技有限公司 | 玻璃体式添加剂和制备方法及在铁氧体永磁材料制备中的应用 |
CN109192434B (zh) * | 2018-09-21 | 2020-08-21 | 江门杰富意磁性材有限公司 | 一种软磁铁氧体材料的制备方法 |
CN113677625A (zh) * | 2019-03-29 | 2021-11-19 | Tdk株式会社 | 铁氧体烧结磁体、铁氧体颗粒、粘结磁体和旋转电气设备 |
CN112645704B (zh) * | 2020-12-28 | 2023-02-03 | 安徽龙磁科技股份有限公司 | 一种高性能铁氧体的制备方法 |
JP2022151625A (ja) * | 2021-03-24 | 2022-10-07 | Tdk株式会社 | フェライト焼結磁石、フェライト粒子、ボンド磁石、及び、回転電気機械 |
CN116120049B (zh) * | 2023-02-17 | 2024-01-19 | 矿冶科技集团有限公司 | 钙镧钴铁氧体磁体的制备方法、钙镧钴铁氧体磁体和应用 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3114714A (en) * | 1960-06-23 | 1963-12-17 | Philips Corp | Ferromagnetic material |
JPS5279295A (en) | 1975-12-25 | 1977-07-04 | Toranosuke Kawaguchi | Oxide permanent magnet material |
JPS55130862A (en) | 1979-03-27 | 1980-10-11 | Toranosuke Kawaguchi | Oxide permanent magnet |
JPS58199722A (ja) | 1982-05-12 | 1983-11-21 | Fuji Elelctrochem Co Ltd | Ca−Pb−La系酸化物永久磁石材料 |
JPS6063715A (ja) * | 1984-07-20 | 1985-04-12 | Toshiba Corp | 磁気記録体 |
US4820433A (en) * | 1986-09-05 | 1989-04-11 | Nippon Zeon Co., Ltd. | Magnetic powder for magnetic recording |
JPS63260104A (ja) * | 1987-04-17 | 1988-10-27 | Nippon Zeon Co Ltd | 磁気記録用磁性粉 |
JPS63260105A (ja) * | 1987-04-17 | 1988-10-27 | Nippon Zeon Co Ltd | 磁気記録用磁性粉 |
JPS63260109A (ja) * | 1987-04-17 | 1988-10-27 | Nippon Zeon Co Ltd | 磁気記録用磁性粉 |
JPS63260103A (ja) * | 1987-04-17 | 1988-10-27 | Nippon Zeon Co Ltd | 磁気記録用磁性粉 |
DE3808861A1 (de) * | 1988-03-17 | 1989-09-28 | Bayer Ag | Feinteilige kaliumhaltige magnetische hexaferritpigmente aus faellungsmagnetit, verfahren zur ihrer herstellung und deren verwendung |
US5055322A (en) * | 1989-11-02 | 1991-10-08 | Nippon Zeon Co., Ltd. | Method of producing magnetic recording media |
US5945028A (en) | 1992-04-24 | 1999-08-31 | Tdk Corporation | Hexagonal system ferrite particles and their production process |
US5648039A (en) | 1992-04-24 | 1997-07-15 | Tdk Corporation | Process for the production of anisotropic ferrite magnets |
US5527603A (en) * | 1992-10-13 | 1996-06-18 | Konica Corporation | Magnetic recording medium |
US5607615A (en) | 1994-05-13 | 1997-03-04 | Tdk Corporation | Hexagonal ba-ferrite sintered magnet, its making method, and polar anisotropy ring magnet |
JP3135203B2 (ja) | 1995-06-26 | 2001-02-13 | ティーディーケイ株式会社 | 異方性六方晶Baフェライト焼結磁石の製造方法 |
JP2897871B2 (ja) * | 1995-08-11 | 1999-05-31 | ティーディーケイ株式会社 | 磁石粉末、焼結磁石、ボンディッド磁石および磁気記録媒体 |
JP2922864B2 (ja) * | 1996-11-18 | 1999-07-26 | 日立金属株式会社 | フェライト磁石およびその製造方法 |
EP0884740B1 (de) * | 1996-12-03 | 2005-09-14 | TDK Corporation | Verfahren zur herstellung von stuckiges magnetisches oxid |
CN1155022C (zh) * | 1997-02-25 | 2004-06-23 | Tdk株式会社 | 氧化物磁性材料、铁氧体颗粒、烧结磁体、粘结磁体、磁记录介质和电机 |
-
1998
- 1998-09-21 DE DE69839208T patent/DE69839208T2/de not_active Expired - Lifetime
- 1998-09-21 EP EP98943070A patent/EP0940823B1/de not_active Expired - Lifetime
- 1998-09-21 WO PCT/JP1998/004242 patent/WO1999016086A1/ja active IP Right Grant
-
1999
- 1999-05-19 US US09/314,628 patent/US6402980B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6402980B1 (en) | 2002-06-11 |
EP0940823B1 (de) | 2008-03-05 |
WO1999016086A1 (fr) | 1999-04-01 |
DE69839208T2 (de) | 2009-03-12 |
EP0940823A4 (de) | 2001-05-23 |
EP0940823A1 (de) | 1999-09-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |