DK3297003T3 - Sm-Fe-N-magnetmateriale og Sm-Fe-N-bundet magnet - Google Patents

Sm-Fe-N-magnetmateriale og Sm-Fe-N-bundet magnet Download PDF

Info

Publication number
DK3297003T3
DK3297003T3 DK17191126.6T DK17191126T DK3297003T3 DK 3297003 T3 DK3297003 T3 DK 3297003T3 DK 17191126 T DK17191126 T DK 17191126T DK 3297003 T3 DK3297003 T3 DK 3297003T3
Authority
DK
Denmark
Prior art keywords
magnetic material
bonded magnet
magnet
bonded
magnetic
Prior art date
Application number
DK17191126.6T
Other languages
English (en)
Inventor
Iwao Sakazaki
Takefumi Sugiyama
Original Assignee
Daido Steel Co Ltd
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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Application granted granted Critical
Publication of DK3297003T3 publication Critical patent/DK3297003T3/da

Links

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
    • H01F1/032—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
    • H01F1/04—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 metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
    • 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
    • H01F1/04—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 metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0558—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together bonded together
    • 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
    • H01F1/04—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 metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • H01F1/04—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 metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • 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
    • H01F1/04—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 metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
    • H01F1/0596—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2 of rhombic or rhombohedral Th2Zn17 structure or hexagonal Th2Ni17 structure
    • 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
    • H01F1/04—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 metals or alloys
    • H01F1/06—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 metals or alloys in the form of particles, e.g. powder
    • 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
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
    • 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
    • H01F41/0253—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 for manufacturing permanent magnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/102—Metallic powder coated with organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/048—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by pulverising a quenched ribbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • 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
    • H01F41/0253—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 for manufacturing permanent magnets
    • H01F41/0266—Moulding; Pressing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
DK17191126.6T 2016-09-16 2017-09-14 Sm-Fe-N-magnetmateriale og Sm-Fe-N-bundet magnet DK3297003T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016181262A JP6862730B2 (ja) 2016-09-16 2016-09-16 Ｓｍ−Ｆｅ−Ｎ系磁石材料及びＳｍ−Ｆｅ−Ｎ系ボンド磁石

Publications (1)

Publication Number Publication Date
DK3297003T3 true DK3297003T3 (da) 2019-05-27

Family

ID=59887070

Family Applications (1)

Application Number Title Priority Date Filing Date
DK17191126.6T DK3297003T3 (da) 2016-09-16 2017-09-14 Sm-Fe-N-magnetmateriale og Sm-Fe-N-bundet magnet

Country Status (6)

Country Link
US (1) US10658095B2 (da)
EP (1) EP3297003B1 (da)
JP (1) JP6862730B2 (da)
KR (1) KR101945362B1 (da)
CN (1) CN107833726B (da)
DK (1) DK3297003T3 (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3534382B1 (en) * 2018-02-28 2024-05-01 Daido Steel Co., Ltd. Sm-fe-n magnet material and sm-fe-n bonded magnet

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3135665B2 (ja) * 1991-03-27 2001-02-19 株式会社東芝 磁性材料およびボンド磁石
JPH0620813A (ja) * 1992-05-08 1994-01-28 Inter Metallics Kk 希土類異方性永久磁石粉末及びその製造法
JP3455557B2 (ja) 1993-02-10 2003-10-14 株式会社東芝 磁性材料
JPH06244013A (ja) 1993-02-12 1994-09-02 Tdk Corp 磁石の製造方法
JP3560387B2 (ja) * 1994-05-25 2004-09-02 旭化成株式会社 磁性材料とその製造法
JPH097006A (ja) 1995-06-19 1997-01-10 Yazaki Corp タクシーメータ、タクシー用応答器、並びに、タクシー用運賃算出システム
JP3171558B2 (ja) * 1995-06-30 2001-05-28 株式会社東芝 磁性材料およびボンド磁石
JPH113812A (ja) * 1997-04-03 1999-01-06 Toshiba Corp 永久磁石材料およびボンド磁石
US5968290A (en) * 1997-04-03 1999-10-19 Kabushiki Kaisha Toshiba Permanent magnet material and bonded magnet
JPH1187118A (ja) 1997-09-01 1999-03-30 Toshiba Corp 磁石材料とその製造方法、およびそれを用いたボンド磁石
JPH11293418A (ja) * 1998-04-14 1999-10-26 Hitachi Metals Ltd 希土類磁石材料用母合金、希土類磁石材料およびその製造方法ならびにそれを用いた希土類ボンド磁石
JP2000357606A (ja) 1999-04-14 2000-12-26 Hitachi Metals Ltd 複合型等方性ボンド磁石およびそれを用いた回転機
JP2001135509A (ja) * 1999-08-20 2001-05-18 Hitachi Metals Ltd 等方性希土類磁石材料、等方性ボンド磁石、回転機およびマグネットロール
JP2001068315A (ja) * 1999-08-26 2001-03-16 Daido Steel Co Ltd アトマイズ法磁石粉末、その製造方法およびそれを使用したボンド磁石
TW503409B (en) 2000-05-29 2002-09-21 Daido Steel Co Ltd Isotropic powdery magnet material, process for preparing and resin-bonded magnet
JP4899254B2 (ja) 2000-05-29 2012-03-21 大同特殊鋼株式会社 等方性の粉末磁石材料、その製造方法およびボンド磁石
JP4135447B2 (ja) * 2002-09-17 2008-08-20 住友金属鉱山株式会社 高耐候性磁石粉、ボンド磁石用樹脂組成物及びそれを用いて得られるボンド磁石
CN1434466A (zh) * 2003-01-14 2003-08-06 浙江大学 高工作温度和高热稳定性的稀土磁性材料的组成
JP4314244B2 (ja) * 2006-01-12 2009-08-12 株式会社東芝 磁性材料粉末の製造方法およびボンド磁石の製造方法
JP5668426B2 (ja) 2010-11-18 2015-02-12 大同特殊鋼株式会社 Ｓｍ−Ｆｅ−Ｎ系磁石用薄帯の製造方法
WO2014190558A1 (zh) 2013-05-31 2014-12-04 北京有色金属研究总院 稀土永磁粉、包括其的粘结磁体及应用该粘结磁体的器件

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3534382B1 (en) * 2018-02-28 2024-05-01 Daido Steel Co., Ltd. Sm-fe-n magnet material and sm-fe-n bonded magnet

Also Published As

Publication number Publication date
KR20180030766A (ko) 2018-03-26
KR101945362B1 (ko) 2019-02-07
CN107833726A (zh) 2018-03-23
CN107833726B (zh) 2020-05-22
US10658095B2 (en) 2020-05-19
US20180082771A1 (en) 2018-03-22
JP6862730B2 (ja) 2021-04-21
JP2018046222A (ja) 2018-03-22
EP3297003B1 (en) 2019-03-20
EP3297003A1 (en) 2018-03-21

Similar Documents

Publication Publication Date Title
EP3364426A4 (en) FERRITE MAGNETIC MATERIAL, FERRITMAGNET AND FERRITE INTERMAGNET
GB2563982B (en) Planar magnetic film speaker
EP3503130A4 (en) R-T-B-SINTERMAGNET
EP3678156A4 (en) MAGNETIC TYPE BUTTON
EP3424559A4 (en) Coil and magnetic stimulator using same
GB201609565D0 (en) Voltage-controlled magnetic anisotropy switching device using an external ferromagnetic biasing film
DK3532499T3 (da) ANTI-IL-33-antistoffer og anvendelser deraf
DK3402821T3 (da) Psma-bindende antistof og anvendelser deraf
EP3633697A4 (en) SINTERED FERRITE MAGNET
EP3550576A4 (en) SINTERED MAGNET BASED ON R-FE-B, AND MANUFACTURING METHOD THEREOF
EP3473606A4 (en) FERRITE MAGNETIC MATERIAL, FERRITMAGNET AND FERRITE INTERMAGNET
EP3494710A4 (en) FLOOR MAGNETIC SPEAKER
EP3704723C0 (en) IMPROVED MAGNETIC PARTICLES AND THEIR USES
EP3427145A4 (en) MAGNETIC LINEAR FADER
DK3639926T3 (da) Magnet og anordning til magnetisk tæthedsseparation
KR101900491B9 (ko) 자기장 치료기
EP3455864A4 (en) LAMINATED MAGNETIC CORES
DK3448419T3 (da) Interferon-beta-antistoffer og anvendelser deraf
SG11201607105PA (en) Magnetic thin film and application device including magnetic thin film
IL273211A (en) Install a magnetic and mechanical connector
EP3634634A4 (en) Trans-interfacial magnetic separation
DK3263650T3 (da) Magnetiske genstande
EP3506655C0 (en) HEARING INSTRUMENT COMPRISING A MAGNETIC INDUCTION ANTENNA
DK3534382T3 (da) Sm-fe-n-magnetmateriale og sm-fe-n-bundet magnet
IT201700084310A1 (it) Dispositivo di accoppiamento magnetico