JP2015046538A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2015046538A5 JP2015046538A5 JP2013177919A JP2013177919A JP2015046538A5 JP 2015046538 A5 JP2015046538 A5 JP 2015046538A5 JP 2013177919 A JP2013177919 A JP 2013177919A JP 2013177919 A JP2013177919 A JP 2013177919A JP 2015046538 A5 JP2015046538 A5 JP 2015046538A5
- Authority
- JP
- Japan
- Prior art keywords
- soft magnetic
- electromagnetic interference
- interference suppressor
- less
- atomic
- 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.)
- Granted
Links
- 239000006249 magnetic particle Substances 0.000 claims description 17
- 230000001629 suppression Effects 0.000 claims 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 12
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims 8
- 239000002245 particle Substances 0.000 claims 8
- 239000011230 binding agent Substances 0.000 claims 5
- 229910052804 chromium Inorganic materials 0.000 claims 4
- -1 fluororesin Polymers 0.000 claims 4
- 229910052742 iron Inorganic materials 0.000 claims 4
- 239000000203 mixture Substances 0.000 claims 4
- 229910052750 molybdenum Inorganic materials 0.000 claims 4
- 229910052758 niobium Inorganic materials 0.000 claims 4
- 229910052715 tantalum Inorganic materials 0.000 claims 4
- 229910052726 zirconium Inorganic materials 0.000 claims 4
- 229910052782 aluminium Inorganic materials 0.000 claims 3
- 230000035699 permeability Effects 0.000 claims 3
- 229910052721 tungsten Inorganic materials 0.000 claims 3
- 229920000800 Acrylic rubber Polymers 0.000 claims 2
- 229920000459 Nitrile rubber Polymers 0.000 claims 2
- 239000004952 Polyamide Substances 0.000 claims 2
- 239000005062 Polybutadiene Substances 0.000 claims 2
- 239000004698 Polyethylene (PE) Substances 0.000 claims 2
- 239000004642 Polyimide Substances 0.000 claims 2
- 229920001721 Polyimide Polymers 0.000 claims 2
- 229920002367 Polyisobutene Polymers 0.000 claims 2
- 239000004793 Polystyrene Substances 0.000 claims 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims 2
- 150000001408 amides Chemical class 0.000 claims 2
- 125000004429 atoms Chemical group 0.000 claims 2
- 230000001186 cumulative Effects 0.000 claims 2
- 229920001971 elastomer Polymers 0.000 claims 2
- 239000003822 epoxy resin Substances 0.000 claims 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims 2
- 229910052735 hafnium Inorganic materials 0.000 claims 2
- 229920003049 isoprene rubber Polymers 0.000 claims 2
- CWEFIMQKSZFZNY-UHFFFAOYSA-N pentyl 2-[4-[[4-[4-[[4-[[4-(pentoxycarbonylamino)phenyl]methyl]phenyl]carbamoyloxy]butoxycarbonylamino]phenyl]methyl]phenyl]acetate Chemical compound C1=CC(CC(=O)OCCCCC)=CC=C1CC(C=C1)=CC=C1NC(=O)OCCCCOC(=O)NC(C=C1)=CC=C1CC1=CC=C(NC(=O)OCCCCC)C=C1 CWEFIMQKSZFZNY-UHFFFAOYSA-N 0.000 claims 2
- 239000005011 phenolic resin Substances 0.000 claims 2
- 229920002647 polyamide Polymers 0.000 claims 2
- 239000011528 polyamide (building material) Substances 0.000 claims 2
- 229920002857 polybutadiene Polymers 0.000 claims 2
- 229920000647 polyepoxide Polymers 0.000 claims 2
- 229920000573 polyethylene Polymers 0.000 claims 2
- 229920002223 polystyrene Polymers 0.000 claims 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims 2
- 239000005060 rubber Substances 0.000 claims 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims 2
- 229910052720 vanadium Inorganic materials 0.000 claims 2
- 229910052727 yttrium Inorganic materials 0.000 claims 2
- 229910052803 cobalt Inorganic materials 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
Description
また、前記扁平状の軟磁性粒子は、１７．０×１０−６以上、２８．０×１０−６以下の飽和磁歪λｓを有することが望ましい。
The flat soft magnetic particles preferably have a saturation magnetostriction λs of 17.0 × 10 −6 or more and 28.0 × 10 −6 or less.
Claims (15)
有機結合剤を主に含有し、
前記非晶質合金は、組成式が｛Ｆｅａ（ＳｉｘＢｙＰｚ）１−ａ｝１００−ｂＬｂ、ＬはＡｌ、Ｃｒ、Ｚｒ、Ｎｂ、Ｍｏ、Ｈｆ、Ｔａ、Ｗから選ばれる１種以上の元素であり、ａ、ｂ、ｘ、ｙ、ｚは０．７０≦ａ≦０．８２、０＜ｂ≦８原子％、０．０５≦ｘ≦０．６０、０．１０≦ｙ≦０．８５、０．０５≦ｚ≦０．７０、ｘ＋ｙ＝ｚ＝１を満たすものであり、
１０ＧＨｚにおける複素比透磁率μ’’が７以上であることを特徴とする電磁干渉抑制体。 Flat soft magnetic particles made of an iron-based amorphous alloy;
Mainly contains organic binders,
The amorphous alloy composition formula {Fe a (Si x B y P z) 1-a} 100-b L b, L is selected Al, Cr, Zr, Nb, Mo, Hf, Ta, and W A, b, x, y and z are 0.70 ≦ a ≦ 0.82, 0 <b ≦ 8 atomic%, 0.05 ≦ x ≦ 0.60, 0.10 ≦ y ≦ 0.85, 0.05 ≦ z ≦ 0.70, x + y = z = 1 is satisfied,
An electromagnetic interference suppressor having a complex relative permeability μ ″ at 10 GHz of 7 or more.
有機結合剤を主に含有し、
前記非晶質合金は、組成式が（Ｆｅ１−ａＴＭａ）１００−ｗ−ｘ−ｙ−ｚＰｗＢｘＬｙＳｉｚ、ＴＭはＣｏ、Ｎｉから選ばれる１種以上の元素であり、ＬはＡｌ、Ｖ、Ｃｒ、Ｙ、Ｚｒ、Ｍｏ、Ｎｂ、Ｔａ、Ｗから選ばれる１種以上の元素であり、ａ、ｗ、ｘ、ｙ、ｚは０≦ａ≦０．９８原子％、２≦ｗ≦１６原子％、２≦ｘ≦１６原子％、０＜ｙ≦１０原子％、０≦ｚ≦８原子％を満たすものであり、
１０ＧＨｚにおける複素比透磁率μ’’が７以上であることを特徴とする電磁干渉抑制体。 Flat soft magnetic particles made of an iron-based amorphous alloy;
Mainly contains organic binders,
The amorphous alloy composition formula (Fe 1-a TM a) 100-w-x-y-z P w B x L y Si z, TM is Co, at least one element selected from Ni And L is one or more elements selected from Al, V, Cr, Y, Zr, Mo, Nb, Ta, and W, and a, w, x, y, and z are 0 ≦ a ≦ 0.98 atoms. %, 2 ≦ w ≦ 16 atomic%, 2 ≦ x ≦ 16 atomic%, 0 <y ≦ 10 atomic%, 0 ≦ z ≦ 8 atomic%,
An electromagnetic interference suppressor having a complex relative permeability μ ″ at 10 GHz of 7 or more.
前記鉄系非晶質合金のキュリー点よりも低い温度で、かつ１００℃以上、３００℃以下の温度により熱処理されていることを特徴とする請求項１から請求項３のいずれかに記載の電磁干渉抑制体。 A flat soft magnetic particle made of an amorphous alloy and a molded sheet mainly containing an organic binder,
4. The electromagnetic wave according to claim 1, wherein the heat treatment is performed at a temperature lower than a Curie point of the iron-based amorphous alloy and a temperature of 100 ° C. or more and 300 ° C. or less. 5. Interference suppressor.
厚さｔの平均値が０．５μｍ以上、１．５μｍ以下であることを特徴とする請求項１から請求項４のいずれかに記載の電磁干渉抑制体。 The flat soft magnetic particles have a volume average particle diameter (D50) of 10 μm or more and 60 μm or less,
5. The electromagnetic interference suppressor according to claim 1, wherein an average value of the thickness t is 0.5 μm or more and 1.5 μm or less.
１２．０×１０−６以上、３８．０×１０−６以下の飽和磁歪λｓを有することを特徴とする請求項１から請求項５のいずれかに記載の電磁干渉抑制体。 The flat soft magnetic particles are:
6. The electromagnetic interference suppressor according to claim 1, having a saturation magnetostriction λs of 12.0 × 10 −6 or more and 38.0 × 10 −6 or less.
１７．０×１０−６以上、２８．０×１０−６以下の飽和磁歪λｓを有することを特徴とする請求項６に記載の電磁干渉抑制体。 The flat soft magnetic particles are:
The electromagnetic interference suppressor according to claim 6, wherein the electromagnetic interference suppressor has a saturation magnetostriction λs of 17.0 × 10 −6 or more and 28.0 × 10 −6 or less.
前記軟磁性粒子の表面に前記絶縁粒子が付着していることを特徴とする請求項１から請求項９のいずれかに記載の電磁干渉抑制体。 In addition, with insulating particles,
The electromagnetic interference suppressor according to any one of claims 1 to 9, wherein the insulating particles are attached to the surface of the soft magnetic particles.
前記軟磁性粒子の表面に前記絶縁粒子を介して前記軟磁性粒子小片が付着していることを特徴とする請求項１０に記載の電磁干渉抑制体。 In addition, with soft magnetic particle pieces,
11. The electromagnetic interference suppressor according to claim 10, wherein the soft magnetic particle pieces are attached to the surface of the soft magnetic particles through the insulating particles.
または組成式が（Ｆｅ１−ａＴＭａ）１００−ｗ−ｘ−ｙ−ｚＰｗＢｘＬｙＳｉｚ、ＴＭはＣｏ、Ｎｉから選ばれる１種以上の元素であり、ＬはＡｌ、Ｖ、Ｃｒ、Ｙ、Ｚｒ、Ｍｏ、Ｎｂ、Ｔａ、Ｗから選ばれる１種以上の元素であり、ａ，ｗ，ｘ，ｙ，ｚは０≦ａ≦０．９８、２≦ｗ≦１６原子％、２≦ｘ≦１６原子％、０＜ｙ≦１０原子％、０≦ｚ≦８原子％を満たし、
飽和磁歪λｓが１７．０×１０−６以上、２８．０×１０−６以下となる非晶質合金からなる扁平状の軟磁性粒子と、
アクリルゴム、フッ素樹脂、ポリイソブチレン、エチレンプロピレン、ポリエチレン、イソプレンゴム、ブタジエンゴム、スチレンブタジエンゴム、ポリスチレン、ニトリルゴム、ウレタンゴム、エポキシ樹脂、フェノール樹脂、ポリビニルアルコール、ポリアミド、ポリイミドアミドのいずれかである有機結合剤を主に含有するシートを成形し、
前記シートを、前記鉄系非晶質合金のキュリー点よりも低い温度で、かつ１００℃以上、３００℃以下の温度により熱処理を行うことを特徴とする電磁干渉抑制体の製造方法。 Composition formula {Fe a (Si x B y P z) 1-a} 100-b L b, L are Al, Cr, Zr, Nb, Mo, Hf, Ta, at least one element selected from W A, b, x, y, z are 0.70 ≦ a ≦ 0.82, 0 <b ≦ 8 atomic%, 0.05 ≦ x ≦ 0.60, 0.10 ≦ y ≦ 0.85, 0.05 ≦ z ≦ 0.70, x + y = z = 1 is satisfied,
Or composition formula (Fe 1-a TM a) 100-w-x-y-z P w B x L y Si z, TM is at least one element selected Co, from Ni, L is Al, One or more elements selected from V, Cr, Y, Zr, Mo, Nb, Ta, and W, a, w, x, y, and z are 0 ≦ a ≦ 0.98, 2 ≦ w ≦ 16 atoms %, 2 ≦ x ≦ 16 atomic%, 0 <y ≦ 10 atomic%, 0 ≦ z ≦ 8 atomic%,
Flat soft magnetic particles made of an amorphous alloy having a saturation magnetostriction λs of 17.0 × 10 −6 or more and 28.0 × 10 −6 or less,
Acrylic rubber, fluororesin, polyisobutylene, ethylene propylene, polyethylene, isoprene rubber, butadiene rubber, styrene butadiene rubber, polystyrene, nitrile rubber, urethane rubber, epoxy resin, phenol resin, polyvinyl alcohol, polyamide, polyimide amide Molding a sheet mainly containing organic binder,
A method for producing an electromagnetic interference suppressor, wherein the sheet is heat-treated at a temperature lower than the Curie point of the iron-based amorphous alloy and at a temperature of 100 ° C or higher and 300 ° C or lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013177919A JP6388761B2 (en) | 2013-08-29 | 2013-08-29 | Electromagnetic interference suppression sheet and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013177919A JP6388761B2 (en) | 2013-08-29 | 2013-08-29 | Electromagnetic interference suppression sheet and manufacturing method thereof |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015046538A JP2015046538A (en) | 2015-03-12 |
| JP2015046538A5 true JP2015046538A5 (en) | 2016-10-06 |
| JP6388761B2 JP6388761B2 (en) | 2018-09-12 |
Family
ID=52671822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013177919A Active JP6388761B2 (en) | 2013-08-29 | 2013-08-29 | Electromagnetic interference suppression sheet and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6388761B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017135358A (en) * | 2016-01-22 | 2017-08-03 | 株式会社東芝 | Flat magnetic metal particle, dust material, dynamo-electric machine, motor, generator |
| JP6633037B2 (en) | 2017-09-12 | 2020-01-22 | 株式会社リケン | Near-field noise suppression sheet |
| US10937576B2 (en) | 2018-07-25 | 2021-03-02 | Kabushiki Kaisha Toshiba | Flaky magnetic metal particles, pressed powder material, rotating electric machine, motor, and generator |
| CN110918911B (en) * | 2019-11-19 | 2022-04-22 | 华南理工大学 | Iron-based series amorphous alloy strip, preparation method thereof and application thereof in degradation of azo dye wastewater |
| JP7438900B2 (en) * | 2020-09-04 | 2024-02-27 | 株式会社東芝 | Powder material and rotating electrical machinery |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3897552B2 (en) * | 2001-05-23 | 2007-03-28 | アルプス電気株式会社 | Radio wave absorber and method of manufacturing radio wave absorber |
| JP4849545B2 (en) * | 2006-02-02 | 2012-01-11 | Ｎｅｃトーキン株式会社 | Amorphous soft magnetic alloy, amorphous soft magnetic alloy member, amorphous soft magnetic alloy ribbon, amorphous soft magnetic alloy powder, and magnetic core and inductance component using the same |
| DE112008002495T5 (en) * | 2007-09-18 | 2010-10-21 | Nec Tokin Corp., Sendai | Soft magnetic amorphous alloy |
-
2013
- 2013-08-29 JP JP2013177919A patent/JP6388761B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Xu et al. | Designed fabrication of reduced graphene oxides/Ni hybrids for effective electromagnetic absorption and shielding | |
| Zhang et al. | Synthesis and excellent electromagnetic wave absorption properties of parallel aligned FeCo@ C core–shell nanoflake composites | |
| JP2015046538A5 (en) | ||
| Deheri et al. | Sol− gel based chemical synthesis of Nd2Fe14B hard magnetic nanoparticles | |
| Radmanesh et al. | Synthesis and magnetic properties of hard/soft SrFe12O19/Ni0. 7Zn0. 3Fe2O4 nanocomposite magnets | |
| Kernion et al. | Giant induced magnetic anisotropy in strain annealed Co-based nanocomposite alloys | |
| Ni et al. | Silica-coated iron nanoparticles: shape-controlled synthesis, magnetism and microwave absorption properties | |
| JP6046357B2 (en) | Alloy composition, Fe-based nanocrystalline alloy and method for producing the same, and magnetic component | |
| JP5455258B2 (en) | Noise suppression sheet | |
| Guo et al. | Fabrication of FeSiBPNb amorphous powder cores with high DC-bias and excellent soft magnetic properties | |
| Yu et al. | Electromagnetic and absorption properties of nano-sized and micro-sized Fe4N particles | |
| Min et al. | Facile preparation and enhanced microwave absorption properties of flake carbonyl iron/Fe3O4 composite | |
| JP6388761B2 (en) | Electromagnetic interference suppression sheet and manufacturing method thereof | |
| Wang et al. | Synthesis and electromagnetic absorption properties of Ag-coated reduced graphene oxide with MnFe2O4 particles | |
| He et al. | Annealing temperature effect on microstructure, magnetic and microwave properties of Fe-based amorphous alloy powders | |
| Wen et al. | Synthesis, permeability resonance and microwave absorption of flake-assembled cobalt superstructure | |
| Radmanesh et al. | Examination the grain size dependence of exchange coupling in oxide-based SrFe 12 O 19/Ni 0.7 Zn 0.3 Fe 2 O 4 nanocomposites | |
| US11371124B2 (en) | Fe-based soft magnetic alloy, manufacturing method therefor, and magnetic parts using Fe-based soft magnetic alloy | |
| JP2013504879A5 (en) | ||
| Li et al. | Magnetic and electromagnetic properties of composites of iron oxide and Co–B alloy prepared by chemical reduction | |
| JP4900804B2 (en) | Dust core | |
| JP7156097B2 (en) | Embedded magnet motor and manufacturing method thereof | |
| Kim et al. | Nanosized barium ferrite powders prepared by spray pyrolysis from citric acid solution | |
| Chen et al. | Template-free formation of urchin-like FeNi3 microstructures by hydrothermal reduction | |
| Luo et al. | High frequency permeability of Fe-Cu-Nb-Si-B nanocrystalline flakes with the distribution of shape anisotropy fields |