HK1091803A1 - Ferrite sintered magnet - Google Patents

Ferrite sintered magnet

Info

Publication number
HK1091803A1
HK1091803A1 HK06112421A HK06112421A HK1091803A1 HK 1091803 A1 HK1091803 A1 HK 1091803A1 HK 06112421 A HK06112421 A HK 06112421A HK 06112421 A HK06112421 A HK 06112421A HK 1091803 A1 HK1091803 A1 HK 1091803A1
Authority
HK
Hong Kong
Prior art keywords
sintered magnet
ferrite sintered
ferrite
magnet
sintered
Prior art date
Application number
HK06112421A
Other languages
English (en)
Inventor
Yoshihiko Minachi
Junichi Nagaoka
Syunsuke Kurasawa
Noboru Ito
Taku Murase
Takeshi Masuda
Kenya Takagawa
Hidenobu Umeda
Original Assignee
Tdk 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
Application filed by Tdk Corp filed Critical Tdk Corp
Publication of HK1091803A1 publication Critical patent/HK1091803A1/xx

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    • C04B35/632—Organic additives
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    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C01G49/0036—Mixed oxides or hydroxides containing one alkaline earth metal, magnesium or lead
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    • C01G49/0054—Mixed oxides or hydroxides containing one rare earth metal, yttrium or scandium
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    • 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
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HK06112421A 2003-12-09 2006-11-10 Ferrite sintered magnet HK1091803A1 (en)

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Application Number Priority Date Filing Date Title
JP2003411030 2003-12-09
JP2003411031 2003-12-09
JP2004021192 2004-01-29
JP2004021193 2004-01-29
JP2004130747 2004-04-27
PCT/JP2004/018286 WO2005056493A1 (ja) 2003-12-09 2004-12-08 フェライト磁性材料、フェライト焼結磁石

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US (1) US7481947B2 (xx)
EP (1) EP1693355A1 (xx)
JP (2) JPWO2005056493A1 (xx)
KR (1) KR100737330B1 (xx)
HK (1) HK1091803A1 (xx)
WO (1) WO2005056493A1 (xx)

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CN100484900C (zh) * 2004-03-04 2009-05-06 Tdk株式会社 铁氧体磁性材料、铁氧体烧结磁体及其制造方法
JP2007031204A (ja) * 2005-07-27 2007-02-08 Tdk Corp Ｗ型フェライト磁石
JP4803730B2 (ja) * 2006-03-30 2011-10-26 パウダーテック株式会社 強磁性材料粉、電子写真現像剤用キャリア及びこれらの製造方法、並びに電子写真現像剤
JP5013505B2 (ja) * 2006-03-31 2012-08-29 国立大学法人 東京大学 磁性材料
CN102129906B (zh) * 2011-03-05 2013-03-20 宜宾职业技术学院 永磁铁氧体材料添加剂、其制备方法及应用
JP5794313B2 (ja) 2011-08-09 2015-10-14 株式会社豊田中央研究所 フェライト粒子およびその製造方法
CN102976735A (zh) * 2012-11-19 2013-03-20 宁波科星材料科技有限公司 一种用于制造内置式天线的磁性材料及制备方法
EP2983178B1 (en) * 2013-04-03 2019-06-19 Toda Kogyo Corp. Ferrite particle powder for bonded magnet, resin composition for bonded magnet, and molded body using same
JP6988563B2 (ja) * 2018-02-26 2022-01-05 Tdk株式会社 フェライト焼結磁石、及び回転機
JP7077241B2 (ja) * 2019-01-11 2022-05-30 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粉末、磁気記録媒体および磁気記録再生装置
CN109576490B (zh) * 2019-02-01 2020-01-24 东北大学 一种外加碳酸钙制备高碱度含铬全钒钛球团矿的方法
CN110937888B (zh) * 2019-12-17 2021-03-26 横店集团东磁股份有限公司 一种料粉二次预烧的高性能永磁铁氧体材料及其制备方法
CN112763049B (zh) * 2020-12-22 2021-07-27 南京力加传感技术有限公司 快速称重传感器装置及控制方法
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

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JPH0719400B2 (ja) * 1984-07-21 1995-03-06 株式会社リコー 光磁気記録媒体
JPH08119634A (ja) * 1994-10-19 1996-05-14 Mitsubishi Materials Corp 磁気記録粉末
JPH08191008A (ja) * 1995-01-11 1996-07-23 Mitsubishi Materials Corp 磁気記録粉末
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
JPH11251127A (ja) 1998-03-04 1999-09-17 Hitachi Metals Ltd 高性能フェライト磁石およびその製造方法
JP2000311809A (ja) * 1999-04-27 2000-11-07 Minebea Co Ltd Ｗ型フェライト焼結磁石
JP2001068326A (ja) 1999-08-30 2001-03-16 Tdk Corp ＭｎＺｎ系フェライト
JP2002313618A (ja) 2001-02-07 2002-10-25 Sumitomo Special Metals Co Ltd 永久磁石、およびその製造方法

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KR100737330B1 (ko) 2007-07-09
JP5212655B2 (ja) 2013-06-19
WO2005056493A1 (ja) 2005-06-23
KR20060060709A (ko) 2006-06-05
US7481947B2 (en) 2009-01-27
JPWO2005056493A1 (ja) 2007-12-06
JP2009280498A (ja) 2009-12-03
EP1693355A1 (en) 2006-08-23

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