TWI351044B - Gapped amorphous metal-based magnetic core - Google Patents

Gapped amorphous metal-based magnetic core

Info

Publication number
TWI351044B
TWI351044B TW093102183A TW93102183A TWI351044B TW I351044 B TWI351044 B TW I351044B TW 093102183 A TW093102183 A TW 093102183A TW 93102183 A TW93102183 A TW 93102183A TW I351044 B TWI351044 B TW I351044B
Authority
TW
Taiwan
Prior art keywords
gapped
magnetic core
amorphous metal
based magnetic
amorphous
Prior art date
Application number
TW093102183A
Other languages
English (en)
Other versions
TW200428424A (en
Inventor
Ryusuke Hasegawa
Ronald J Martis
Original Assignee
Metglas Inc
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 Metglas Inc filed Critical Metglas Inc
Publication of TW200428424A publication Critical patent/TW200428424A/zh
Application granted granted Critical
Publication of TWI351044B publication Critical patent/TWI351044B/zh

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
    • H01F1/12—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
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15316—Amorphous metallic alloys, e.g. glassy metals based on Co
    • 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
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
    • 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
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F17/062—Toroidal core with turns of coil around it
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Composite Materials (AREA)
  • Soft Magnetic Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
TW093102183A 2003-01-30 2004-01-30 Gapped amorphous metal-based magnetic core TWI351044B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/354,711 US6992555B2 (en) 2003-01-30 2003-01-30 Gapped amorphous metal-based magnetic core

Publications (2)

Publication Number Publication Date
TW200428424A TW200428424A (en) 2004-12-16
TWI351044B true TWI351044B (en) 2011-10-21

Family

ID=32770407

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093102183A TWI351044B (en) 2003-01-30 2004-01-30 Gapped amorphous metal-based magnetic core

Country Status (8)

Country Link
US (1) US6992555B2 (zh)
EP (1) EP1593132A4 (zh)
JP (2) JP5341294B2 (zh)
KR (1) KR100733116B1 (zh)
CN (2) CN1781167A (zh)
AU (1) AU2003299639A1 (zh)
TW (1) TWI351044B (zh)
WO (1) WO2004070739A2 (zh)

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* Cited by examiner, † Cited by third party
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FR2877486B1 (fr) * 2004-10-29 2007-03-30 Imphy Alloys Sa Tore nanocristallin pour capteur de courant, compteurs d'energie a simple et a double etage et sondes de courant les incorporant
US7864013B2 (en) * 2006-07-13 2011-01-04 Double Density Magnetics Inc. Devices and methods for redistributing magnetic flux density
US7307504B1 (en) * 2007-01-19 2007-12-11 Eaton Corporation Current transformer, circuit interrupter including the same, and method of manufacturing the same
EP2224461B1 (en) * 2009-02-25 2011-11-30 Liaisons Electroniques-Mecaniques Lem S.A. Magnetic circuit with wound magnetic core
KR101197234B1 (ko) * 2011-04-08 2012-11-02 주식회사 아모그린텍 비정질 금속 코어와, 이를 이용한 유도장치 및 그 제조방법
JP6085904B2 (ja) * 2012-05-31 2017-03-01 ブラザー工業株式会社 ノイズ低減装置、電源装置、及びノイズ低減装置におけるコアの配置方法
JP2014199902A (ja) * 2013-03-15 2014-10-23 株式会社東芝 線路、スパイラルインダクタ、ミアンダインダクタ、ソレノイドコイル
WO2016085598A1 (en) 2014-11-25 2016-06-02 Cummins Inc. Magnetic core with flexible packaging
CN105990321B (zh) * 2015-02-05 2018-10-26 中国科学院金属研究所 一种基于铁镍多元合金磁芯的微型薄膜电感
JP6790405B2 (ja) * 2016-03-25 2020-11-25 中国電力株式会社 電流検出用センサ及び地絡点標定システム
US10840004B2 (en) 2018-08-23 2020-11-17 Hamilton Sundstrand Corporation Reducing reluctance in magnetic devices
WO2020070309A1 (en) * 2018-10-05 2020-04-09 Abb Schweiz Ag Magnetic core arrangement, inductive device and installation device
US11980636B2 (en) 2020-11-18 2024-05-14 Jazz Pharmaceuticals Ireland Limited Treatment of hematological disorders

Family Cites Families (22)

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Publication number Priority date Publication date Assignee Title
GB2048575B (en) * 1979-05-04 1983-01-26 Thorn Electrical Ind Ltd Electrical choke or transformer
US4321090A (en) * 1980-03-06 1982-03-23 Allied Corporation Magnetic amorphous metal alloys
JPS57193005A (en) * 1981-05-23 1982-11-27 Tdk Corp Amorphous magnetic alloy thin belt for choke coil and magnetic core for the same
US4637843A (en) * 1982-05-06 1987-01-20 Tdk Corporation Core of a noise filter comprised of an amorphous alloy
US4606977A (en) * 1983-02-07 1986-08-19 Allied Corporation Amorphous metal hardfacing coatings
US5011553A (en) * 1989-07-14 1991-04-30 Allied-Signal, Inc. Iron-rich metallic glasses having high saturation induction and superior soft ferromagnetic properties
JPH04362805A (ja) * 1991-06-11 1992-12-15 Toshiba Corp 共振フィルタおよびそれを用いたホームオートメイション　　　　　　　　システム
JPH0590051A (ja) * 1991-09-30 1993-04-09 Mitsui Petrochem Ind Ltd 磁心の製造方法
JPH0766046A (ja) * 1993-08-26 1995-03-10 Matsushita Electric Works Ltd 電磁装置
CN2164052Y (zh) * 1993-08-30 1994-05-04 武汉中科新技术产业公司 铁芯线圈式脉动电流传感器
US5399944A (en) * 1993-10-29 1995-03-21 Motorola Lighting, Inc. Ballast circuit for driving gas discharge
JPH0853739A (ja) * 1995-06-12 1996-02-27 Toshiba Corp 軟磁性合金
FR2740259B1 (fr) * 1995-10-24 1997-11-07 Thomson Csf Noyau magnetique mixte
US5923236A (en) * 1996-04-29 1999-07-13 Alliedsignal Inc. Magnetic core-coil assembly for spark ignition system
US6144279A (en) * 1997-03-18 2000-11-07 Alliedsignal Inc. Electrical choke for power factor correction
IL128067A (en) * 1998-02-05 2001-10-31 Imphy Ugine Precision Iron-cobalt alloy
EP1114429B1 (de) * 1998-09-17 2003-11-12 Vacuumschmelze GmbH Stromwandler mit gleichstromtoleranz
JP2000104141A (ja) * 1998-09-28 2000-04-11 Res Inst Electric Magnetic Alloys 耐食性に優れた軟磁性合金
JP2002530853A (ja) * 1998-11-13 2002-09-17 バクームシユメルツエ、ゲゼルシヤフト、ミツト、ベシユレンクテル、ハフツング 変流器での使用に適した磁心とその製造方法及び変流器
JP2001085257A (ja) * 1999-09-10 2001-03-30 Tamura Seisakusho Co Ltd チョークコイル用磁芯の製造方法およびチョークコイル用磁心
US6480008B2 (en) * 1999-12-03 2002-11-12 Mitutoyo Corporation Capacitive distance sensor for surface configuration determining apparatus
JP4582864B2 (ja) * 2000-05-30 2010-11-17 株式会社東芝 磁性コアおよびそれを用いた磁性部品

Also Published As

Publication number Publication date
KR100733116B1 (ko) 2007-06-27
JP2006514432A (ja) 2006-04-27
CN1781167A (zh) 2006-05-31
JP5341294B2 (ja) 2013-11-13
CN102779622A (zh) 2012-11-14
US20040150503A1 (en) 2004-08-05
AU2003299639A1 (en) 2004-08-30
AU2003299639A8 (en) 2004-08-30
TW200428424A (en) 2004-12-16
EP1593132A2 (en) 2005-11-09
WO2004070739A3 (en) 2005-01-06
KR20050096168A (ko) 2005-10-05
WO2004070739A2 (en) 2004-08-19
JP2011171772A (ja) 2011-09-01
US6992555B2 (en) 2006-01-31
EP1593132A4 (en) 2011-03-09

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees