JP3848486B2 - 磁気記録媒体用窒化鉄系磁性粉末材料及びその製造方法並びに磁気記録媒体 - Google Patents

磁気記録媒体用窒化鉄系磁性粉末材料及びその製造方法並びに磁気記録媒体 Download PDF

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JP3848486B2
JP3848486B2 JP08188399A JP8188399A JP3848486B2 JP 3848486 B2 JP3848486 B2 JP 3848486B2 JP 08188399 A JP08188399 A JP 08188399A JP 8188399 A JP8188399 A JP 8188399A JP 3848486 B2 JP3848486 B2 JP 3848486B2
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Prior art keywords
magnetic
magnetic recording
powder material
recording medium
iron nitride
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Japanese (ja)
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JP2000277311A (ja
JP2000277311A5 (https=
Inventor
毅 服部
伸 田島
義雄 加藤
勝則 山田
信雄 神谷
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Maxell Ltd
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Hitachi Maxell Energy Ltd
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Publication of JP2000277311A5 publication Critical patent/JP2000277311A5/ja
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    • 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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/14—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 soft-magnetic materials metals or alloys
    • H01F1/20—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
JP08188399A 1999-03-25 1999-03-25 磁気記録媒体用窒化鉄系磁性粉末材料及びその製造方法並びに磁気記録媒体 Expired - Lifetime JP3848486B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP08188399A JP3848486B2 (ja) 1999-03-25 1999-03-25 磁気記録媒体用窒化鉄系磁性粉末材料及びその製造方法並びに磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08188399A JP3848486B2 (ja) 1999-03-25 1999-03-25 磁気記録媒体用窒化鉄系磁性粉末材料及びその製造方法並びに磁気記録媒体

Related Child Applications (1)

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JP2006171405A Division JP4502978B2 (ja) 2006-06-21 2006-06-21 窒化鉄系磁性粉末材料及びその製造方法並びに磁気記録媒体

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JP2000277311A JP2000277311A (ja) 2000-10-06
JP2000277311A5 JP2000277311A5 (https=) 2005-10-13
JP3848486B2 true JP3848486B2 (ja) 2006-11-22

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Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003079332A1 (fr) * 2002-03-18 2003-09-25 Hitachi Maxell, Ltd. Support d'enregistrement magnetique et cartouche d'enregistrement magnetique
WO2004006229A1 (ja) 2002-07-05 2004-01-15 Hitachi Maxell, Ltd. 磁気テープ
US6964811B2 (en) 2002-09-20 2005-11-15 Hitachi Maxell, Ltd. Magnetic powder, method for producing the same and magnetic recording medium comprising the same
GB2422949B (en) * 2003-02-19 2007-05-30 Hitachi Maxell Magnetic recording medium
JP4673945B2 (ja) * 2003-09-16 2011-04-20 日立マクセル株式会社 磁性粉末およびその製造方法ならびに磁気記録媒体
EP1548760A3 (en) 2003-11-27 2007-12-26 DOWA Electronics Materials Co., Ltd. Iron nitride magnetic powder and method of producing the powder
JP4599574B2 (ja) * 2003-11-27 2010-12-15 Ｄｏｗａエレクトロニクス株式会社 窒化鉄系磁性粉末
JP4534059B2 (ja) 2004-03-17 2010-09-01 Ｄｏｗａエレクトロニクス株式会社 窒化鉄系磁性粉末およびその製造法
JP4734599B2 (ja) 2004-08-02 2011-07-27 Ｄｏｗａエレクトロニクス株式会社 耐候性の良い窒化鉄系磁性粉末およびその製造法
JP4734602B2 (ja) 2004-12-21 2011-07-27 Ｄｏｗａエレクトロニクス株式会社 保存安定性に優れた窒化鉄系磁性粉末
JP4758203B2 (ja) 2005-11-14 2011-08-24 Ｄｏｗａエレクトロニクス株式会社 高保磁力鉄系磁性粉末及び磁気記録媒体
JP4769130B2 (ja) * 2006-06-14 2011-09-07 Ｄｏｗａエレクトロニクス株式会社 窒化鉄系磁性粉末およびその製造法並びに磁気記録媒体
JP2008159259A (ja) * 2008-02-13 2008-07-10 Hitachi Maxell Ltd 磁気記録媒体
JP2010199361A (ja) * 2009-02-26 2010-09-09 Hitachi Metals Ltd 窒化鉄系磁性微粒子の製造方法
JP5769223B2 (ja) 2009-10-22 2015-08-26 戸田工業株式会社 強磁性粒子粉末及びその製造法、異方性磁石及びボンド磁石
JP5822188B2 (ja) 2010-09-24 2015-11-24 戸田工業株式会社 強磁性粒子粉末及びその製造法、異方性磁石及びボンド磁石
JP5831866B2 (ja) * 2011-01-21 2015-12-09 戸田工業株式会社 強磁性粒子粉末及びその製造方法、並びに異方性磁石、ボンド磁石及び圧粉磁石
JP5858419B2 (ja) 2011-04-27 2016-02-10 戸田工業株式会社 強磁性粒子粉末の製造方法、異方性磁石、ボンド磁石及び圧粉磁石
JP5846540B2 (ja) * 2011-07-06 2016-01-20 住友電気工業株式会社 窒化鉄粉末の製造方法
WO2013042721A1 (ja) 2011-09-22 2013-03-28 戸田工業株式会社 強磁性窒化鉄粒子粉末の製造方法、異方性磁石、ボンド磁石及び圧粉磁石
JP6296997B2 (ja) * 2013-02-06 2018-03-20 株式会社日清製粉グループ本社 磁性粒子の製造方法
JP6380736B2 (ja) 2013-06-12 2018-08-29 Tdk株式会社 窒化鉄系磁性粉及びそれを用いた磁石
JP6344129B2 (ja) * 2014-08-06 2018-06-20 Tdk株式会社 窒化鉄系磁性粉末及びそれを用いた磁石
CN119284845B (zh) * 2024-12-12 2025-03-18 中南大学 一种一步法生产无Fe相α″-Fe16N2粉末的方法

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