JP2024017186A - 磁気コアおよび磁性部品 - Google Patents

磁気コアおよび磁性部品 Download PDF

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Publication number
JP2024017186A
JP2024017186A JP2022119670A JP2022119670A JP2024017186A JP 2024017186 A JP2024017186 A JP 2024017186A JP 2022119670 A JP2022119670 A JP 2022119670A JP 2022119670 A JP2022119670 A JP 2022119670A JP 2024017186 A JP2024017186 A JP 2024017186A
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JP
Japan
Prior art keywords
particles
magnetic
particle
magnetic core
insulating coating
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.)
Pending
Application number
JP2022119670A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024017186A5 (https=
Inventor
和宏 吉留
Kazuhiro Yoshitome
健輔 荒
Kensuke Ara
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.)
TDK Corp
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
Priority to JP2022119670A priority Critical patent/JP2024017186A/ja
Priority to US18/358,433 priority patent/US20240038433A1/en
Priority to CN202310927374.7A priority patent/CN117476331A/zh
Publication of JP2024017186A publication Critical patent/JP2024017186A/ja
Publication of JP2024017186A5 publication Critical patent/JP2024017186A5/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/08—Cores, Yokes, or armatures made from powder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/255—Magnetic cores made from particles
    • 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15333—Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing
    • 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15358—Making agglomerates therefrom, e.g. by pressing
    • H01F1/15366—Making agglomerates therefrom, e.g. by pressing using a binder
    • H01F1/15375—Making agglomerates therefrom, e.g. by pressing using a binder using polymers
    • 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
    • H01F1/22—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 pressed, sintered, or bound together
    • H01F1/24—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 pressed, sintered, or bound together the particles being insulated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • 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
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
JP2022119670A 2022-07-27 2022-07-27 磁気コアおよび磁性部品 Pending JP2024017186A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2022119670A JP2024017186A (ja) 2022-07-27 2022-07-27 磁気コアおよび磁性部品
US18/358,433 US20240038433A1 (en) 2022-07-27 2023-07-25 Magnetic core and magnetic component
CN202310927374.7A CN117476331A (zh) 2022-07-27 2023-07-26 磁芯和磁性部件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022119670A JP2024017186A (ja) 2022-07-27 2022-07-27 磁気コアおよび磁性部品

Publications (2)

Publication Number Publication Date
JP2024017186A true JP2024017186A (ja) 2024-02-08
JP2024017186A5 JP2024017186A5 (https=) 2025-05-30

Family

ID=89626386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022119670A Pending JP2024017186A (ja) 2022-07-27 2022-07-27 磁気コアおよび磁性部品

Country Status (3)

Country Link
US (1) US20240038433A1 (https=)
JP (1) JP2024017186A (https=)
CN (1) CN117476331A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024079245A (ja) * 2022-11-30 2024-06-11 Tdk株式会社 磁気コアおよび磁性部品

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007134591A (ja) * 2005-11-11 2007-05-31 Nec Tokin Corp 複合磁性材料とそれを用いた圧粉磁芯および磁性素子
JP2020072182A (ja) * 2018-10-31 2020-05-07 Tdk株式会社 磁性体コアおよびコイル部品
JP2020136647A (ja) * 2019-02-26 2020-08-31 Tdk株式会社 磁性体コアおよび磁性部品
JP2020164899A (ja) * 2019-03-28 2020-10-08 株式会社村田製作所 複合磁性体およびこれを用いたインダクタ
JP2024079245A (ja) * 2022-11-30 2024-06-11 Tdk株式会社 磁気コアおよび磁性部品

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007134591A (ja) * 2005-11-11 2007-05-31 Nec Tokin Corp 複合磁性材料とそれを用いた圧粉磁芯および磁性素子
JP2020072182A (ja) * 2018-10-31 2020-05-07 Tdk株式会社 磁性体コアおよびコイル部品
CN111128506A (zh) * 2018-10-31 2020-05-08 Tdk株式会社 磁性体芯和线圈部件
JP2020136647A (ja) * 2019-02-26 2020-08-31 Tdk株式会社 磁性体コアおよび磁性部品
JP2020164899A (ja) * 2019-03-28 2020-10-08 株式会社村田製作所 複合磁性体およびこれを用いたインダクタ
JP2024079245A (ja) * 2022-11-30 2024-06-11 Tdk株式会社 磁気コアおよび磁性部品

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024079245A (ja) * 2022-11-30 2024-06-11 Tdk株式会社 磁気コアおよび磁性部品

Also Published As

Publication number Publication date
CN117476331A (zh) 2024-01-30
US20240038433A1 (en) 2024-02-01

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