HK1031781A1 - Hexagonal ferrite magnet - Google Patents
Hexagonal ferrite magnetInfo
- Publication number
- HK1031781A1 HK1031781A1 HK01102150A HK01102150A HK1031781A1 HK 1031781 A1 HK1031781 A1 HK 1031781A1 HK 01102150 A HK01102150 A HK 01102150A HK 01102150 A HK01102150 A HK 01102150A HK 1031781 A1 HK1031781 A1 HK 1031781A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- hexagonal ferrite
- ferrite magnet
- magnet
- hexagonal
- ferrite
- Prior art date
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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Magnetic Ceramics (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19495198 | 1998-06-25 | ||
PCT/JP1999/001411 WO1999067795A1 (fr) | 1998-06-25 | 1999-03-19 | Aimant hexagonal en ferrite |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1031781A1 true HK1031781A1 (en) | 2001-06-22 |
Family
ID=16333047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK01102150A HK1031781A1 (en) | 1998-06-25 | 2001-03-26 | Hexagonal ferrite magnet |
Country Status (5)
Country | Link |
---|---|
US (1) | US6248253B1 (zh) |
EP (1) | EP1011114A4 (zh) |
CN (2) | CN1327458C (zh) |
HK (1) | HK1031781A1 (zh) |
WO (1) | WO1999067795A1 (zh) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999034376A1 (fr) * | 1997-12-25 | 1999-07-08 | Hitachi Metals, Ltd. | Aimant en ferrite et son procede de production |
US6908568B2 (en) * | 1999-02-15 | 2005-06-21 | Tdk Corporation | Preparation of oxide magnetic material and oxide magnetic material |
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 |
FR2854981B1 (fr) * | 2003-05-16 | 2014-05-23 | Thales Sa | Materiau ferrite pour aimant permanent et procede de fabrication |
JP4508143B2 (ja) * | 2006-04-06 | 2010-07-21 | 株式会社デンソー | 燃料ポンプ |
CN102093045B (zh) * | 2010-12-01 | 2013-01-02 | 北京航空航天大学 | 一种核壳结构钛酸钡-钡铁氧体复合粉体材料及制备方法 |
US9401235B2 (en) * | 2010-12-28 | 2016-07-26 | Hitachi Metals, Ltd. | Sintered ferrite magnet and its production method |
JP5645865B2 (ja) * | 2012-03-30 | 2014-12-24 | 富士フイルム株式会社 | 六方晶ストロンチウムフェライト磁性粉末およびその製造方法、ならびに磁気記録媒体およびその製造方法 |
JP5884917B2 (ja) * | 2012-10-18 | 2016-03-15 | 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 |
JP6596828B2 (ja) * | 2014-03-07 | 2019-10-30 | Tdk株式会社 | フェライト焼結磁石及びそれを備えるモータ |
CN106745298B (zh) * | 2016-12-09 | 2018-11-30 | 安徽工业大学 | 一种增强m型锶铁氧体磁性能的方法 |
CN107311636B (zh) * | 2017-07-04 | 2020-12-22 | 马鞍山起劲磁塑科技有限公司 | 一种高性能永磁铁氧体的制备方法 |
JP7052479B2 (ja) | 2018-03-28 | 2022-04-12 | Tdk株式会社 | フェライト焼結磁石 |
JP7338161B2 (ja) * | 2019-02-05 | 2023-09-05 | Tdk株式会社 | フェライト焼結磁石 |
JP2020129579A (ja) * | 2019-02-07 | 2020-08-27 | Tdk株式会社 | フェライト焼結磁石 |
JP7251254B2 (ja) * | 2019-03-27 | 2023-04-04 | 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 |
CN110156452B (zh) * | 2019-05-28 | 2020-12-22 | 横店集团东磁股份有限公司 | 一种m型锶铁氧体及其制备方法 |
JP2021155317A (ja) * | 2020-03-30 | 2021-10-07 | Tdk株式会社 | フェライト焼結磁石および回転電気機械 |
CN111620684A (zh) * | 2020-05-22 | 2020-09-04 | 浙江凯文磁钢有限公司 | 一种镧钠永磁铁氧体及其制备方法和应用 |
WO2022038531A1 (en) * | 2020-08-19 | 2022-02-24 | Mahindra Cie Automotive Ltd. | A permanent magnetic material and a method for its preparation |
CN112239356A (zh) * | 2020-10-28 | 2021-01-19 | 南京新康达磁业股份有限公司 | 一种磁性镍锌铁氧体材料及其制备方法 |
CN112358311B (zh) * | 2020-11-27 | 2022-04-01 | 滁州恒通磁电科技有限公司 | 一种高磁性防开裂磁性材料的制备方法 |
CN116425205A (zh) * | 2023-04-03 | 2023-07-14 | 山东大学 | 掺杂稀土铈元素和镍元素的w型钡铁氧体及其制备方法 |
CN116986891B (zh) * | 2023-08-15 | 2024-03-29 | 中国计量大学 | 一种双离子联合取代自偏置六角铁氧体的制备方法 |
CN117208966B (zh) * | 2023-10-13 | 2024-05-17 | 扬州大学 | 一种钛酸钡包覆钴钛掺杂钡铁氧体成核壳结构纳米颗粒的制备方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4913317B1 (zh) | 1970-03-02 | 1974-03-30 | ||
JPS6063715A (ja) | 1984-07-20 | 1985-04-12 | Toshiba Corp | 磁気記録体 |
JPH0690969B2 (ja) | 1984-11-30 | 1994-11-14 | 株式会社東芝 | 磁気記録媒体用磁性粉及びそれを用いた磁気記録媒体 |
JPH0740380B2 (ja) | 1985-11-19 | 1995-05-01 | 株式会社リコー | 光磁気記録材料 |
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 |
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 |
JPH09260124A (ja) * | 1996-03-26 | 1997-10-03 | Sumitomo Special Metals Co Ltd | フェライト磁石及びその製造方法 |
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 |
JP3137658B2 (ja) * | 1996-12-03 | 2001-02-26 | ティーディーケイ株式会社 | 酸化物磁性体の製造方法 |
CN1239578A (zh) * | 1997-09-19 | 1999-12-22 | Tdk株式会社 | 磁体粉末、烧结磁体,其制造工艺、粘结磁体、马达和磁记录介质 |
JP4709338B2 (ja) | 1997-09-19 | 2011-06-22 | Tdk株式会社 | 六方晶フェライト磁石粉末と六方晶フェライト焼結磁石の製造方法 |
WO1999034376A1 (fr) * | 1997-12-25 | 1999-07-08 | Hitachi Metals, Ltd. | Aimant en ferrite et son procede de production |
JP4285800B2 (ja) | 1998-05-25 | 2009-06-24 | Tdk株式会社 | 酸化物磁性体の製造方法 |
-
1999
- 1999-03-19 CN CNB998010189A patent/CN1327458C/zh not_active Expired - Lifetime
- 1999-03-19 WO PCT/JP1999/001411 patent/WO1999067795A1/ja not_active Application Discontinuation
- 1999-03-19 CN CN200510006196.6A patent/CN1658340A/zh active Pending
- 1999-03-19 US US09/272,338 patent/US6248253B1/en not_active Expired - Lifetime
- 1999-03-19 EP EP99909276A patent/EP1011114A4/en not_active Withdrawn
-
2001
- 2001-03-26 HK HK01102150A patent/HK1031781A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1658340A (zh) | 2005-08-24 |
EP1011114A4 (en) | 2001-09-19 |
EP1011114A1 (en) | 2000-06-21 |
WO1999067795A1 (fr) | 1999-12-29 |
CN1327458C (zh) | 2007-07-18 |
US6248253B1 (en) | 2001-06-19 |
CN1273675A (zh) | 2000-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE | Patent expired |
Effective date: 20190318 |