TW202439341A - 鐵氧體磁芯用粉體以及鐵氧體磁芯 - Google Patents

鐵氧體磁芯用粉體以及鐵氧體磁芯 Download PDF

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Publication number
TW202439341A
TW202439341A TW113109150A TW113109150A TW202439341A TW 202439341 A TW202439341 A TW 202439341A TW 113109150 A TW113109150 A TW 113109150A TW 113109150 A TW113109150 A TW 113109150A TW 202439341 A TW202439341 A TW 202439341A
Authority
TW
Taiwan
Prior art keywords
ferrite core
ferrite
hole
protrusions
length
Prior art date
Application number
TW113109150A
Other languages
English (en)
Chinese (zh)
Inventor
五十嵐克史
Original Assignee
日商電力支援有限公司
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 日商電力支援有限公司 filed Critical 日商電力支援有限公司
Publication of TW202439341A publication Critical patent/TW202439341A/zh

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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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K11/00—Use of ingredients of unknown constitution, e.g. undefined reaction products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • 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
    • H01F1/37—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 in a bonding agent
    • 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
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2265—Oxides; Hydroxides of metals of iron
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/01—Magnetic additives

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Soft Magnetic Materials (AREA)
TW113109150A 2023-03-17 2024-03-13 鐵氧體磁芯用粉體以及鐵氧體磁芯 TW202439341A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023-042679 2023-03-17
JP2023042679 2023-03-17

Publications (1)

Publication Number Publication Date
TW202439341A true TW202439341A (zh) 2024-10-01

Family

ID=92714686

Family Applications (1)

Application Number Title Priority Date Filing Date
TW113109150A TW202439341A (zh) 2023-03-17 2024-03-13 鐵氧體磁芯用粉體以及鐵氧體磁芯

Country Status (6)

Country Link
US (1) US20240312682A1 (https=)
JP (2) JP7636633B2 (https=)
KR (1) KR20250160810A (https=)
CN (1) CN119173964A (https=)
TW (1) TW202439341A (https=)
WO (1) WO2024195649A1 (https=)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60250603A (ja) * 1984-05-25 1985-12-11 Toda Kogyo Corp 電波吸収体材料用粉末
JPH0752796B2 (ja) * 1990-09-29 1995-06-05 岡谷電機産業株式会社 ノイズ吸収束線バンド
JPH05254561A (ja) * 1992-03-13 1993-10-05 Sony Corp 配線結束具及び配線用ノイズ除去具
JPH05327265A (ja) * 1992-05-25 1993-12-10 Murata Mfg Co Ltd ノイズ除去フィルター
JP3388712B2 (ja) 1999-04-07 2003-03-24 ティーディーケイ株式会社 帯状ノイズフィルタ
WO2004054892A1 (en) 2002-12-17 2004-07-01 Regitze Worre Strap

Also Published As

Publication number Publication date
JP7636633B2 (ja) 2025-02-26
WO2024195649A1 (ja) 2024-09-26
US20240312682A1 (en) 2024-09-19
JPWO2024195649A1 (https=) 2024-09-26
JP2025065510A (ja) 2025-04-17
CN119173964A (zh) 2024-12-20
KR20250160810A (ko) 2025-11-14

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