WO2002063641A1 - Aimant permanent et procede de production dudit aimant - Google Patents

Aimant permanent et procede de production dudit aimant Download PDF

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Publication number
WO2002063641A1
WO2002063641A1 PCT/JP2002/000995 JP0200995W WO02063641A1 WO 2002063641 A1 WO2002063641 A1 WO 2002063641A1 JP 0200995 W JP0200995 W JP 0200995W WO 02063641 A1 WO02063641 A1 WO 02063641A1
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WO
WIPO (PCT)
Prior art keywords
ferrite
hexagonal
type magneto
preparation
plumbite structure
Prior art date
Application number
PCT/JP2002/000995
Other languages
English (en)
French (fr)
Inventor
Etsushi Oda
Seiichi Hosokawa
Sachio Toyota
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.
Priority to US10/451,906 priority Critical patent/US7144642B2/en
Priority to DE60233385T priority patent/DE60233385D1/de
Priority to EP02711355A priority patent/EP1365424B1/en
Publication of WO2002063641A1 publication Critical patent/WO2002063641A1/ja

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    • H01F1/342—Oxides
    • H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • H01F1/348—Hexaferrites with decreased hardness or anisotropy, i.e. with increased permeability in the microwave (GHz) range, e.g. having a hexagonal crystallographic structure
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PCT/JP2002/000995 2001-02-07 2002-02-06 Aimant permanent et procede de production dudit aimant WO2002063641A1 (fr)

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US10/451,906 US7144642B2 (en) 2001-02-07 2002-02-06 Permanent magnet and method for preparation thereof
DE60233385T DE60233385D1 (de) 2001-02-07 2002-02-06 Permanentmagnet und verfahren zu seiner herstellung
EP02711355A EP1365424B1 (en) 2001-02-07 2002-02-06 Permanent magnet and method for preparation thereof

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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
US8506838B2 (en) 2010-03-10 2013-08-13 Hitachi Metals, Ltd. Sintered ferrite magnet and its production method
JP5499329B2 (ja) * 2010-06-18 2014-05-21 日立金属株式会社 フェライト焼結磁石及びその製造方法
CN102097195B (zh) * 2010-12-22 2012-04-11 娄底市玖鑫电子科技有限公司 一种宽温低功率损耗铁氧体磁性材料
CN104926299B (zh) * 2015-06-20 2018-01-16 宁波博莱特光电科技股份有限公司 一种陶瓷插芯的制备方法
CN104961462B (zh) * 2015-06-20 2018-02-27 宁波博莱特光电科技股份有限公司 一种高强度氧化锆陶瓷插芯的制备方法
US20170018285A1 (en) * 2015-07-14 2017-01-19 HGST Netherlands B.V. Barium hexa-ferrite technology for mamr and advanced magnetic recording applications
CN105036725A (zh) * 2015-07-24 2015-11-11 天长市中德电子有限公司 一种Mn-Zn铁氧体材料及制备方法
CN105036726B (zh) * 2015-07-24 2017-05-24 天长市中德电子有限公司 一种高性能Mn‑Zn铁氧体材料及制备方法
CN106589363B (zh) * 2016-12-23 2019-03-26 安徽工业大学 一种聚苯胺/w型锶铁氧体复合材料的制备方法及其应用
JP7082033B2 (ja) * 2017-11-13 2022-06-07 Ｄｏｗａエレクトロニクス株式会社 ボンド磁石用フェライト粉末およびその製造方法
JP7071513B2 (ja) * 2018-08-28 2022-05-19 富士フイルム株式会社 マグネトプランバイト型六方晶フェライトの粉体の製造方法及び電波吸収体の製造方法
JP2022506448A (ja) * 2018-11-02 2022-01-17 ロジャーズ・コーポレイション 低損失電力フェライト及び製造方法
CN109735215B (zh) * 2018-12-19 2021-04-13 北矿科技股份有限公司 一种磁性层及其制备方法
CN109516797B (zh) * 2018-12-19 2021-05-25 北矿科技股份有限公司 一种低sfd磁记录材料及其制备方法
CN109741764B (zh) * 2018-12-19 2020-12-18 北矿科技股份有限公司 一种磁记录材料及其制备方法
TWI693206B (zh) * 2019-03-08 2020-05-11 中國鋼鐵股份有限公司 改質鐵氧體磁粉的製造方法及鐵氧體磁石的製造方法
CN111205078A (zh) * 2020-01-13 2020-05-29 桂林电子科技大学 一种Bi1-xNdxFeO3稀土铁氧体磁性吸波材料的制备方法
CN113072368B (zh) * 2021-03-15 2022-05-13 杭州电子科技大学 一种高性能m型铁氧体的气氛烧结方法
CN115124336A (zh) * 2021-03-26 2022-09-30 日立金属株式会社 铁氧体预烧体和铁氧体烧结磁体的制造方法
JP7376627B2 (ja) 2022-02-15 2023-11-08 Ｄｏｗａエレクトロニクス株式会社 マグネトプランバイト型六方晶フェライト磁性粉及びその製造方法並びに電波吸収体及びその製造方法
CN115784315B (zh) * 2022-06-24 2024-04-30 西北大学 一种用于基于化学链燃烧的高效二氧化碳捕集的氧载体及其制备方法和应用

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EP1365424B1 (en) 2009-08-19
KR100909701B1 (ko) 2009-07-29
JP2002313618A (ja) 2002-10-25
EP1365424A1 (en) 2003-11-26
CN1462452A (zh) 2003-12-17
US6955768B2 (en) 2005-10-18
CN1220991C (zh) 2005-09-28
CN1228793C (zh) 2005-11-23
EP1365423B1 (en) 2017-01-04
KR20030072211A (ko) 2003-09-13
US20040061090A1 (en) 2004-04-01
KR100824786B1 (ko) 2008-04-24
EP1365423A4 (en) 2006-04-26
EP1365423A1 (en) 2003-11-26
CN1462453A (zh) 2003-12-17
DE60233385D1 (de) 2009-10-01
WO2002063640A1 (en) 2002-08-15
EP1365424A4 (en) 2006-05-03
US7144642B2 (en) 2006-12-05
KR20030084560A (ko) 2003-11-01
US20040053075A1 (en) 2004-03-18

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