JPWO2021149717A1 - - Google Patents

Info

Publication number
JPWO2021149717A1
JPWO2021149717A1 JP2021572761A JP2021572761A JPWO2021149717A1 JP WO2021149717 A1 JPWO2021149717 A1 JP WO2021149717A1 JP 2021572761 A JP2021572761 A JP 2021572761A JP 2021572761 A JP2021572761 A JP 2021572761A JP WO2021149717 A1 JPWO2021149717 A1 JP WO2021149717A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021572761A
Other languages
Japanese (ja)
Other versions
JPWO2021149717A5 (https=
JP7691068B2 (ja
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 filed Critical
Publication of JPWO2021149717A1 publication Critical patent/JPWO2021149717A1/ja
Publication of JPWO2021149717A5 publication Critical patent/JPWO2021149717A5/ja
Application granted granted Critical
Publication of JP7691068B2 publication Critical patent/JP7691068B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/78—Tape carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • 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
    • H01F1/11—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 in the form of particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP2021572761A 2020-01-21 2021-01-20 複合磁性粉体及びその製造方法 Active JP7691068B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020007833 2020-01-21
JP2020007833 2020-01-21
PCT/JP2021/001830 WO2021149717A1 (ja) 2020-01-21 2021-01-20 複合磁性粉体及びその製造方法

Publications (3)

Publication Number Publication Date
JPWO2021149717A1 true JPWO2021149717A1 (https=) 2021-07-29
JPWO2021149717A5 JPWO2021149717A5 (https=) 2024-01-12
JP7691068B2 JP7691068B2 (ja) 2025-06-11

Family

ID=76991765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021572761A Active JP7691068B2 (ja) 2020-01-21 2021-01-20 複合磁性粉体及びその製造方法

Country Status (2)

Country Link
JP (1) JP7691068B2 (https=)
WO (1) WO2021149717A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116230350A (zh) * 2023-04-10 2023-06-06 江苏南方永磁科技有限公司 一种烧结钕铁硼磁体材料及其制备方法
CN117548684B (zh) * 2023-11-14 2025-09-23 哈尔滨工程大学 一种中空核壳结构Co@SiO2@PPy的制备方法和应用

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011035006A (ja) * 2009-07-29 2011-02-17 Tdk Corp 磁性材料及び磁石、並びに磁性材料の製造方法
JP2018110168A (ja) * 2016-12-28 2018-07-12 国立研究開発法人産業技術総合研究所 磁性粒子およびその製造方法
JP2018182301A (ja) * 2017-04-12 2018-11-15 キヤノン株式会社 複合磁性材料、およびモータ
JP2019175532A (ja) * 2018-03-29 2019-10-10 富士フイルム株式会社 磁気記録媒体、イプシロン型酸化鉄系化合物の粒子の製造方法、及び磁気記録媒体の製造方法
WO2020032031A1 (ja) * 2018-08-10 2020-02-13 ソニー株式会社 磁性粉およびその製造方法、ならびに磁気記録媒体

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011035006A (ja) * 2009-07-29 2011-02-17 Tdk Corp 磁性材料及び磁石、並びに磁性材料の製造方法
JP2018110168A (ja) * 2016-12-28 2018-07-12 国立研究開発法人産業技術総合研究所 磁性粒子およびその製造方法
JP2018182301A (ja) * 2017-04-12 2018-11-15 キヤノン株式会社 複合磁性材料、およびモータ
JP2019175532A (ja) * 2018-03-29 2019-10-10 富士フイルム株式会社 磁気記録媒体、イプシロン型酸化鉄系化合物の粒子の製造方法、及び磁気記録媒体の製造方法
WO2020032031A1 (ja) * 2018-08-10 2020-02-13 ソニー株式会社 磁性粉およびその製造方法、ならびに磁気記録媒体

Also Published As

Publication number Publication date
WO2021149717A1 (ja) 2021-07-29
JP7691068B2 (ja) 2025-06-11

Similar Documents

Publication Publication Date Title
BR112023005462A2 (https=)
BR112023012656A2 (https=)
BR112021014123A2 (https=)
BR112023009656A2 (https=)
BR112022009896A2 (https=)
BR112021017747A2 (https=)
BR112022024743A2 (https=)
BR112022026905A2 (https=)
BR112023011738A2 (https=)
BR112023004146A2 (https=)
BR112023006729A2 (https=)
BR102021018859A2 (https=)
BR102021015500A2 (https=)
BR102021007058A2 (https=)
BR102020022030A2 (https=)
BR112023016292A2 (https=)
BR112023011539A2 (https=)
BR112023011610A2 (https=)
BR112023008976A2 (https=)
BR102021020147A2 (https=)
BR102021018926A2 (https=)
BR102021018167A2 (https=)
BR102021017576A2 (https=)
BR102021016837A2 (https=)
BR102021016551A2 (https=)

Legal Events

Date Code Title Description
AA64 Notification of invalidation of claim of internal priority (with term)

Free format text: JAPANESE INTERMEDIATE CODE: A241764

Effective date: 20220906

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220916

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231228

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20231228

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240806

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20241004

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250204

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250326

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: 20250422

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250521

R150 Certificate of patent or registration of utility model

Ref document number: 7691068

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150