JP2020136665A - 複合磁性材料、磁心および電子部品 - Google Patents
複合磁性材料、磁心および電子部品 Download PDFInfo
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- JP2020136665A JP2020136665A JP2019234932A JP2019234932A JP2020136665A JP 2020136665 A JP2020136665 A JP 2020136665A JP 2019234932 A JP2019234932 A JP 2019234932A JP 2019234932 A JP2019234932 A JP 2019234932A JP 2020136665 A JP2020136665 A JP 2020136665A
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- 239000000696 magnetic material Substances 0.000 title claims abstract description 76
- 239000002131 composite material Substances 0.000 title claims abstract description 75
- 239000000843 powder Substances 0.000 claims abstract description 119
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 239000011164 primary particle Substances 0.000 claims abstract description 22
- 229910052742 iron Inorganic materials 0.000 claims abstract description 18
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 6
- 230000035699 permeability Effects 0.000 abstract description 21
- 238000005336 cracking Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 40
- 238000000034 method Methods 0.000 description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 230000005415 magnetization Effects 0.000 description 12
- 239000000758 substrate Substances 0.000 description 9
- 238000011049 filling Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000004898 kneading Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 229910006540 α-FeOOH Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229910000531 Co alloy Inorganic materials 0.000 description 3
- 229910000640 Fe alloy Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000005381 magnetic domain Effects 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 238000001338 self-assembly Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- -1 α-FeOOH Chemical class 0.000 description 1
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- Soft Magnetic Materials (AREA)
Abstract
Description
粉末および樹脂を含む複合磁性材料であり、
前記粉末はFeまたはFeおよびCoからなる主成分を有し、
前記粉末の一次粒子における平均短軸長が100nm以下であり、
前記粉末の一次粒子におけるアスペクト比の平均をAv、前記粉末の一次粒子におけるアスペクト比の標準偏差をσとしたときに、
X−Y座標平面上にて、(X,Y)=(σ/Av(%),(Av−σ))を満足する点が3つの点α(24.5,6.7)、β(72.0,1.2)、およびγ(24.5,1.2)で囲まれる領域内(境界を含む)に存在することを特徴とする。
1a・・・(粉末に外接する)楕円
101・・・インダクタ部品
103・・・樹脂
105・・・複合磁性体
107・・・基板
109・・・コイル導線
Claims (4)
- 粉末および樹脂を含む複合磁性材料であり、
前記粉末はFeまたはFeおよびCoからなる主成分を有し、
前記粉末の一次粒子における平均短軸長が100nm以下であり、
前記粉末の一次粒子におけるアスペクト比の平均をAv、前記粉末の一次粒子におけるアスペクト比の標準偏差をσとしたときに、
X−Y座標平面上にて、(X,Y)=(σ/Av(%),(Av−σ))を満足する点が3つの点α(24.5,6.7)、β(72.0,1.2)、およびγ(24.5,1.2)で囲まれる領域内(境界を含む)に存在することを特徴とする複合磁性材料。 - 前記粉末において、主成分に対するCoの含有割合が0〜40atom%(0atom%を含まない)である請求項1に記載の複合磁性材料。
- 請求項1または2に記載の複合磁性材料を含む磁心。
- 請求項1または2に記載の複合磁性材料を含む電子部品。
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US16/792,956 US11682510B2 (en) | 2019-02-21 | 2020-02-18 | Composite magnetic material, magnetic core, and electronic component |
CN202010103764.9A CN111599567B (zh) | 2019-02-21 | 2020-02-20 | 复合磁性材料、磁芯和电子零件 |
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JP2020136665A true JP2020136665A (ja) | 2020-08-31 |
JP7251468B2 JP7251468B2 (ja) | 2023-04-04 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112021004251T5 (de) | 2020-08-13 | 2023-05-25 | Mitsubishi Heavy Industries, Ltd. | Statorschaufelsegment und damit versehene dampfturbine |
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SG10201902656UA (en) | 2019-03-25 | 2020-10-29 | Genejunction Pte Ltd | Arrangement for encrypted exchange of personal medical and financial data |
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JPH08165117A (ja) * | 1994-12-13 | 1996-06-25 | Toda Kogyo Corp | コバルトを含有する紡錘状ゲータイト粒子粉末及びその製造法 |
EP1085506A1 (en) * | 1994-12-13 | 2001-03-21 | Toda Kogyo Corp. | Spindle-shaped goethite particles containing cobalt and process for producing the same |
WO2006059771A1 (ja) * | 2004-12-03 | 2006-06-08 | Nitta Corporation | 電磁干渉抑制体、アンテナ装置、及び電子情報伝達装置 |
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DE112021004251T5 (de) | 2020-08-13 | 2023-05-25 | Mitsubishi Heavy Industries, Ltd. | Statorschaufelsegment und damit versehene dampfturbine |
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