JP5917452B2 - 六方晶フェライト磁性粒子の製造方法、および磁気記録媒体の製造方法 - Google Patents

六方晶フェライト磁性粒子の製造方法、および磁気記録媒体の製造方法 Download PDF

Info

Publication number
JP5917452B2
JP5917452B2 JP2013142907A JP2013142907A JP5917452B2 JP 5917452 B2 JP5917452 B2 JP 5917452B2 JP 2013142907 A JP2013142907 A JP 2013142907A JP 2013142907 A JP2013142907 A JP 2013142907A JP 5917452 B2 JP5917452 B2 JP 5917452B2
Authority
JP
Japan
Prior art keywords
hexagonal ferrite
ferrite magnetic
magnetic particles
alkaline earth
earth metal
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.)
Active
Application number
JP2013142907A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015013785A (ja
JP2015013785A5 (OSRAM
Inventor
服部　康志
康志 服部
芳紀 玉田
芳紀 玉田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Corp
Original Assignee
Fujifilm 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 Fujifilm Corp filed Critical Fujifilm Corp
Priority to JP2013142907A priority Critical patent/JP5917452B2/ja
Priority to US14/324,857 priority patent/US9378878B2/en
Publication of JP2015013785A publication Critical patent/JP2015013785A/ja
Publication of JP2015013785A5 publication Critical patent/JP2015013785A5/ja
Application granted granted Critical
Publication of JP5917452B2 publication Critical patent/JP5917452B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • 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
    • 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
    • H01F1/34—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 non-metallic substances, e.g. ferrites
    • H01F1/36—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 non-metallic substances, e.g. ferrites in the form of particles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties
    • 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
    • H01F1/34—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 non-metallic substances, e.g. ferrites
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Compounds Of Iron (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
JP2013142907A 2013-07-08 2013-07-08 六方晶フェライト磁性粒子の製造方法、および磁気記録媒体の製造方法 Active JP5917452B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013142907A JP5917452B2 (ja) 2013-07-08 2013-07-08 六方晶フェライト磁性粒子の製造方法、および磁気記録媒体の製造方法
US14/324,857 US9378878B2 (en) 2013-07-08 2014-07-07 Method of manufacturing hexagonal ferrite magnetic particles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013142907A JP5917452B2 (ja) 2013-07-08 2013-07-08 六方晶フェライト磁性粒子の製造方法、および磁気記録媒体の製造方法

Publications (3)

Publication Number Publication Date
JP2015013785A JP2015013785A (ja) 2015-01-22
JP2015013785A5 JP2015013785A5 (OSRAM) 2015-04-02
JP5917452B2 true JP5917452B2 (ja) 2016-05-18

Family

ID=52132944

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013142907A Active JP5917452B2 (ja) 2013-07-08 2013-07-08 六方晶フェライト磁性粒子の製造方法、および磁気記録媒体の製造方法

Country Status (2)

Country Link
US (1) US9378878B2 (OSRAM)
JP (1) JP5917452B2 (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022120620A1 (en) * 2020-12-09 2022-06-16 Dic Corporation Iron oxide particles and method for producing iron oxide particles
US20230317103A1 (en) 2022-01-24 2023-10-05 International Business Machines Corporation Magnetic recording tape and apparatus
CN116425206B (zh) * 2023-04-06 2024-06-25 中国科学院宁波材料技术与工程研究所 一种提高SrFe12O19铁氧体磁性能的方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58126907A (ja) * 1982-01-22 1983-07-28 Toyo Soda Mfg Co Ltd 鉄又は鉄を主成分とする磁性金属粉末の製造方法
JPS6033218A (ja) * 1983-07-28 1985-02-20 Central Glass Co Ltd マグネトプランバイト型フエライト微粒子の湿式製造法
GB2144114B (en) 1983-07-28 1986-08-06 Central Glass Co Ltd Preparing ferrite of magnetoplumbite structure
JPS6140823A (ja) * 1984-07-31 1986-02-27 Dowa Mining Co Ltd マグネトプランバイト型フエライトの水熱合成法
JPS61132520A (ja) * 1984-12-01 1986-06-20 Fuji Elelctrochem Co Ltd バリウムフエライト微粉末の製造方法
JPS6272528A (ja) * 1985-09-27 1987-04-03 Toshiba Glass Co Ltd 磁性粉末の製造方法
JPH0688795B2 (ja) * 1986-04-11 1994-11-09 石原産業株式会社 磁気記録用強磁性微粉末の製造方法
DE3702036A1 (de) * 1987-01-24 1988-08-04 Basf Ag Feststoff zur herstellung hexagonaler ferrite
JPH01282129A (ja) * 1988-05-10 1989-11-14 Ube Ind Ltd バリウムフェライト磁性粉およびその製造方法
JPH03265524A (ja) * 1990-03-13 1991-11-26 Showa Denko Kk 六角板状バリウムフェライトの製造方法
JP2806619B2 (ja) * 1990-10-11 1998-09-30 関東電化工業株式会社 針状バリウムフェライト磁性粉の製法
JPH05283219A (ja) * 1992-03-31 1993-10-29 Toshiba Corp 磁気記録用磁性粉およびそれを用いた磁気記録媒体
JPH07172839A (ja) 1993-12-20 1995-07-11 Toshiba Corp 六方晶系Ｂａフェライト磁性粉の製造方法
US6251474B1 (en) 1998-11-06 2001-06-26 Idaho Research Foundation Method of producing substantially spherical magneto-plumbite ferrite particles
JP2007091517A (ja) * 2005-09-28 2007-04-12 Fujifilm Corp 六方晶マグネトプランバイト型フェライト、その製造方法および磁気記録媒体
JP4859791B2 (ja) * 2006-09-01 2012-01-25 国立大学法人 東京大学 電波吸収材料用の磁性結晶および電波吸収体
JP5521287B2 (ja) 2008-06-18 2014-06-11 日立金属株式会社 磁気記録媒体用フェライト粒子
JP2011001205A (ja) * 2009-06-16 2011-01-06 Meiji Univ 多孔質シリカカプセルの製造方法
JP5425300B2 (ja) * 2010-03-31 2014-02-26 Ｄｏｗａエレクトロニクス株式会社 六方晶フェライト磁性粉末およびそれを用いた磁気記録媒体

Also Published As

Publication number Publication date
US20150010466A1 (en) 2015-01-08
US9378878B2 (en) 2016-06-28
JP2015013785A (ja) 2015-01-22

Similar Documents

Publication Publication Date Title
US11264155B2 (en) Epsilon-type iron oxide magnetic particles and method for producing the same, magnetic powder, magnetic coating material and magnetic recording medium containing magnetic particles
JP5445843B2 (ja) 磁性酸化鉄粒子、磁性体、および電波吸収体
JP6676493B2 (ja) 鉄系酸化物磁性粒子粉の製造方法
JP5142354B2 (ja) ε−Ｆｅ２Ｏ３結晶の製法
TW584870B (en) Single-crystal ferrite fine powder
CN109475934B (zh) 铁粉及其制造方法和前体的制造方法和电感器用成型体及电感器
JP5906214B2 (ja) 磁気記録用磁性粒子の製造方法
JP6856196B2 (ja) 磁性粒子およびその製造方法
JP6718162B2 (ja) 複合磁性粒子、電波吸収体および複合磁性粒子の製造方法
JP7575904B2 (ja) 鉄系酸化物磁性粉およびその製造方法
JP5762453B2 (ja) 六方晶フェライト磁性粒子の製造方法およびこれにより得られた六方晶フェライト磁性粒子、ならびにそれらの利用
JP6480715B2 (ja) 鉄系酸化物磁性粒子粉の前駆体およびそれを用いた鉄系酸化物磁性粒子粉の製造方法
JP5917452B2 (ja) 六方晶フェライト磁性粒子の製造方法、および磁気記録媒体の製造方法
JP6337963B2 (ja) 磁性合金粒子が担持された磁性材料及び該磁性材料の製造方法
JP2020100895A (ja) 鉄ニッケルナノワイヤーの製造方法
JP2017201672A (ja) 磁性粉末の製造方法
JP5917453B2 (ja) 六方晶フェライト磁性粒子の製造方法、および磁気記録媒体の製造方法
JP6963950B2 (ja) 鉄粉およびその製造方法並びにインダクタ用成形体およびインダクタ
JP5670094B2 (ja) マグネタイトナノ微粒子の製造方法
JP2018092691A (ja) ε−酸化鉄型強磁性粉末およびその製造方法ならびにε−酸化鉄型強磁性粉末含有組成物
JPS62275027A (ja) 磁気記録用強磁性微粉末の製造方法
JP2020126942A (ja) 鉄系酸化物磁性粉およびその製造方法
WO2021065935A1 (ja) 鉄系酸化物磁性粉およびその製造方法
JP2014232860A (ja) 六方晶フェライト磁性粒子の製造方法およびこれにより得られた六方晶フェライト磁性粒子、ならびにそれらの利用
JPH0688794B2 (ja) 磁気記録用強磁性微粉末の製造方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150212

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20150212

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20150629

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150714

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150914

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20151006

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20151207

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20160329

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20160406

R150 Certificate of patent or registration of utility model

Ref document number: 5917452

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250