NO20031073L - Permanentmagnet, magnetisk kjerne som bruker denne som magnetisk forspenning og induktansdel som bruker kjernen - Google Patents

Permanentmagnet, magnetisk kjerne som bruker denne som magnetisk forspenning og induktansdel som bruker kjernen

Info

Publication number
NO20031073L
NO20031073L NO20031073A NO20031073A NO20031073L NO 20031073 L NO20031073 L NO 20031073L NO 20031073 A NO20031073 A NO 20031073A NO 20031073 A NO20031073 A NO 20031073A NO 20031073 L NO20031073 L NO 20031073L
Authority
NO
Norway
Prior art keywords
core
magnetic
inductance
permanent magnet
bias
Prior art date
Application number
NO20031073A
Other languages
English (en)
Norwegian (no)
Other versions
NO20031073D0 (no
Inventor
Teruhiko Fujiwara
Masayoshi Ishii
Haruki Hoshi
Keita Isogai
Hatsuo Matsumoto
Toru Ito
Tamiko Ambo
Original Assignee
Nec Tokin 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 Nec Tokin Corp filed Critical Nec Tokin Corp
Publication of NO20031073D0 publication Critical patent/NO20031073D0/no
Publication of NO20031073L publication Critical patent/NO20031073L/no

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
    • 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
    • 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
    • H01F1/0552—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 with a protective layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F29/146—Constructional details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F2003/103—Magnetic circuits with permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
NO20031073A 2000-09-08 2003-03-07 Permanentmagnet, magnetisk kjerne som bruker denne som magnetisk forspenning og induktansdel som bruker kjernen NO20031073L (no)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
JP2000272656 2000-09-08
JP2000325858 2000-10-25
JP2000352722 2000-11-20
JP2000356669 2000-11-22
JP2000356705 2000-11-22
JP2000360866 2000-11-28
JP2000361077 2000-11-28
JP2000360646 2000-11-28
JP2001022892 2001-01-31
JP2001117665 2001-04-17
PCT/JP2001/007831 WO2002021543A1 (fr) 2000-09-08 2001-09-10 Aimant permanent, noyau magnétique utilisant cet aimant comme aimant de polarisation, et pièces à inductance utilisant ce noyau

Publications (2)

Publication Number Publication Date
NO20031073D0 NO20031073D0 (no) 2003-03-07
NO20031073L true NO20031073L (no) 2003-05-07

Family

ID=27580538

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20031073A NO20031073L (no) 2000-09-08 2003-03-07 Permanentmagnet, magnetisk kjerne som bruker denne som magnetisk forspenning og induktansdel som bruker kjernen

Country Status (7)

Country Link
US (2) US6856231B2 (fr)
EP (1) EP1321950B1 (fr)
JP (1) JPWO2002021543A1 (fr)
KR (1) KR100851459B1 (fr)
CN (1) CN1280842C (fr)
NO (1) NO20031073L (fr)
WO (1) WO2002021543A1 (fr)

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US6856231B2 (en) * 2000-09-08 2005-02-15 Nec Tokin Corporaton Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil
EP1330015A4 (fr) * 2000-10-25 2007-03-21 Nec Tokin Corp Noyau magnetique, composant de bobine le contenant, et circuit de source d'energie
TW563139B (en) * 2000-11-30 2003-11-21 Nec Tokin Corp Magnetic core including magnet for magnetic bias and inductor component using the same
US6813178B2 (en) 2003-03-12 2004-11-02 Micron Technology, Inc. Chalcogenide glass constant current device, and its method of fabrication and operation
US6765319B1 (en) 2003-04-11 2004-07-20 Visteon Global Technologies, Inc. Plastic molded magnet for a rotor
US7222034B2 (en) * 2003-09-19 2007-05-22 Tektronix, Inc. In-circuit measurement of saturation flux density Bsat, coercivity Hc, and permiability of magnetic components using a digital storage oscilloscope
JP2006114536A (ja) * 2004-10-12 2006-04-27 Nec Tokin Corp 線輪部品およびその製造方法
JP2006294733A (ja) * 2005-04-07 2006-10-26 Nec Tokin Corp インダクタ及びその製造方法
US7295097B2 (en) * 2005-06-21 2007-11-13 Camarena Villasenor Jose De Je Energy saving system for a unit requiring electricity
TW200933660A (en) * 2008-01-24 2009-08-01 Delta Electronics Inc Composite soft magnetic material and permanent magnetically biasing magnetic core
JP4872109B2 (ja) * 2008-03-18 2012-02-08 日東電工株式会社 永久磁石及び永久磁石の製造方法
JP5417632B2 (ja) * 2008-03-18 2014-02-19 日東電工株式会社 永久磁石及び永久磁石の製造方法
US8161681B2 (en) * 2008-06-30 2012-04-24 Treihaft Michael T Releasable arm assembly for a swing gate
GB2463503A (en) * 2008-09-16 2010-03-17 Cambridge Semiconductor Ltd Crossed ridges in a gap of a ferrite core arrangement
US20120049663A1 (en) * 2010-09-01 2012-03-01 Gm Global Technology Operations, Inc. Rotor and method of forming same
DE102011000980B9 (de) 2011-02-28 2014-12-31 Sma Solar Technology Ag Drossel mit dynamischer Vormagnetisierung
JP5732979B2 (ja) * 2011-03-31 2015-06-10 Tdk株式会社 フェライト焼結磁石及びモータ
US9064625B2 (en) * 2011-08-09 2015-06-23 Electron Energy Corporation Methods for sequentially laminating rare earth permanent magnets with suflide-based dielectric layer
JP6115057B2 (ja) * 2012-09-18 2017-04-19 Tdk株式会社 コイル部品
JP5857976B2 (ja) * 2013-01-22 2016-02-10 Ｊｆｅスチール株式会社 低圧交流電動機の劣化診断装置及び劣化診断方法
ES2677720T3 (es) * 2013-03-11 2018-08-06 Sts Spezial-Transformatoren-Stockach Gmbh & Co. Kg Componente inductivo
US9607759B2 (en) 2013-03-13 2017-03-28 Medtronic, Inc. Implantable medical device including a molded planar transformer
US20140275915A1 (en) 2013-03-13 2014-09-18 Medtronic, Inc. Implantable medical device including a molded planar transformer
GB2511844B (en) * 2013-03-15 2015-12-23 Eisergy Ltd A magnetic component for a switching power supply and a method of manufacturing a magnetic component
EP2816572A1 (fr) * 2013-06-17 2014-12-24 ABB Research Ltd. Inducteur
JP6200730B2 (ja) * 2013-08-29 2017-09-20 ミネベアミツミ株式会社 希土類鉄系ボンド磁石の製造方法
USD766190S1 (en) * 2013-09-26 2016-09-13 Omron Corporation Relay socket
KR101573729B1 (ko) 2014-07-01 2015-12-02 경북대학교 산학협력단 가변 인덕터 및 그 제조 방법
EP3249664B1 (fr) * 2015-01-22 2019-12-04 Alps Alpine Co., Ltd. Noyau en poudre, procédé de fabrication associé, composant électrique/électronique le comprenant, et dispositif électrique/électronique sur lequel est monté ledit composant électrique/électronique
CN105070444A (zh) * 2015-07-27 2015-11-18 合肥凯士新材料贸易有限公司 一种尼龙纤维增韧的粘结钐钴永磁体
CN105116266B (zh) * 2015-09-22 2017-12-01 陆福萍 一种带中柱磁芯电感自动分选工具
CN105092983B (zh) * 2015-09-22 2017-09-19 丹东市中鼎电子有限公司 一种电感器用e型磁芯电感及尺寸分选装置
FR3045924B1 (fr) * 2015-12-17 2021-05-07 Commissariat Energie Atomique Noyau d'inductance a pertes magnetiques reduites
FR3050069B1 (fr) * 2016-04-08 2018-05-11 Valeo Siemens Eautomotive France Sas Composant magnetique, circuit electrique resonant, convertisseur electrique et systeme electrique
JP6667826B2 (ja) 2016-04-13 2020-03-18 ローム株式会社 交流電源装置
CN110178190B (zh) * 2017-01-12 2021-07-13 株式会社村田制作所 磁性体粒子、压粉磁芯和线圈部件
CN107936558A (zh) * 2017-12-13 2018-04-20 江西伟普科技有限公司 一种高磁性应用范围的耐高温注塑粘结磁性材料的制备方法
CN111292930B (zh) * 2018-12-10 2021-12-31 西门子电动汽车动力总成系统(上海)有限公司 电子设备与其滤波电感器
KR102101296B1 (ko) 2019-04-23 2020-04-20 주식회사 파인에스엔에스 자화 장치
US20210110966A1 (en) * 2019-10-09 2021-04-15 Power Integrations, Inc. Magnet with multiple discs
US20220208446A1 (en) * 2020-12-30 2022-06-30 Power Integrations, Inc. Energy transfer element magnetized after assembly

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US4103221A (en) * 1973-05-18 1978-07-25 Hitachi Metals, Ltd. Inductor with plurality of magnet pieces in air gap
JPS5432696B2 (fr) 1974-04-10 1979-10-16
JPS6010605A (ja) * 1983-06-30 1985-01-19 Hitachi Metals Ltd インダクタンス素子用永久磁石
JPS61279106A (ja) * 1985-06-04 1986-12-09 Seiko Epson Corp 樹脂結合型永久磁石
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JPH11204319A (ja) * 1998-01-14 1999-07-30 Hitachi Metals Ltd 希土類ボンド磁石およびその製造方法
JPH11354344A (ja) * 1998-04-06 1999-12-24 Hitachi Ferrite Denshi Kk インダクタンス素子
US6432158B1 (en) * 1999-10-25 2002-08-13 Sumitomo Special Metals Co., Ltd. Method and apparatus for producing compact of rare earth alloy powder and rare earth magnet
US6856231B2 (en) * 2000-09-08 2005-02-15 Nec Tokin Corporaton Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil
US6717504B2 (en) * 2000-10-25 2004-04-06 Nec Tokin Corporation Magnetic core including bias magnet and inductor component using the same
EP1330015A4 (fr) * 2000-10-25 2007-03-21 Nec Tokin Corp Noyau magnetique, composant de bobine le contenant, et circuit de source d'energie
DE60139594D1 (de) * 2000-11-28 2009-10-01 Nec Tokin Corp Magnetkern mit Verbundmagnet,umfassend Magnetpulver wovon die Oberfläche der Teilchen mit oxidationsbeständigem Metall beschichtet ist
EP1211699B1 (fr) * 2000-11-29 2004-02-04 NEC TOKIN Corporation Noyau magnétique comprenant un aimant de polarisation et composant inducteur
TW563139B (en) * 2000-11-30 2003-11-21 Nec Tokin Corp Magnetic core including magnet for magnetic bias and inductor component using the same
JP2002217043A (ja) * 2001-01-22 2002-08-02 Nec Tokin Corp インダクタ部品

Also Published As

Publication number Publication date
US20050116804A1 (en) 2005-06-02
EP1321950B1 (fr) 2013-01-02
NO20031073D0 (no) 2003-03-07
US6995643B2 (en) 2006-02-07
EP1321950A4 (fr) 2007-05-02
CN1280842C (zh) 2006-10-18
WO2002021543A1 (fr) 2002-03-14
EP1321950A1 (fr) 2003-06-25
KR100851459B1 (ko) 2008-08-08
US6856231B2 (en) 2005-02-15
US20020149458A1 (en) 2002-10-17
JPWO2002021543A1 (ja) 2004-01-15
CN1473337A (zh) 2004-02-04
KR20030025307A (ko) 2003-03-28

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application