KR850000140A - 분말철심 자기장치 - Google Patents

분말철심 자기장치 Download PDF

Info

Publication number
KR850000140A
KR850000140A KR1019840002443A KR840002443A KR850000140A KR 850000140 A KR850000140 A KR 850000140A KR 1019840002443 A KR1019840002443 A KR 1019840002443A KR 840002443 A KR840002443 A KR 840002443A KR 850000140 A KR850000140 A KR 850000140A
Authority
KR
South Korea
Prior art keywords
powder
iron
core magnetic
iron core
particles
Prior art date
Application number
KR1019840002443A
Other languages
English (en)
Inventor
아담 소일류 트리시몬드 (외 1)
Original Assignee
샘슨 헬프고트
제너럴 일렉트릭 캄파니
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 샘슨 헬프고트, 제너럴 일렉트릭 캄파니 filed Critical 샘슨 헬프고트
Publication of KR850000140A publication Critical patent/KR850000140A/ko

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L39/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions of derivatives of such polymers
    • C08L39/04Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00Cores, Yokes, or armatures
    • H01F3/08Cores, Yokes, or armatures made from powder
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/0206Manufacturing of magnetic cores by mechanical means
    • H01F41/0246Manufacturing of magnetic circuits by moulding or by pressing powder

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)

Abstract

내용 없음.

Description

분말철심 자기장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 실시하는 포트코어 반응기의 확대도.

Claims (31)

  1. 서로의 입자를 절연시키는 무기절연체 피복과 중합체 피막의 재피복을 갖는 압밀된 철입자로 구성되는 것을 특징으로 분말철심 자기장치.
  2. 제1항에 있어서, 소둔하여 저전기손의 특성을 갖는 것을 특징으로 하는 분말철심 자기장치.
  3. 제1항에 있어서, 무기절연체는 규소질인 것을 특징으로 분말철심 자기장치.
  4. 제3항에 있어서, 규조질 재료는 규산 알칼리 금속인 것을 특징으로 분말철심 자기장치.
  5. 제1항에 있어서, 중합체는 실리코운 수지인 것을 특징으로 하는 분말철심 자기장치.
  6. 제1항에 있어서, 무기절연체는 규산알칼리 금속이고 중합체는 실리코운 수지인 것을 하는 특징으로 하는 분말철심 자기장치.
  7. 제6항에 있어서, 소둔하며 히스테리시스손과 와존류손이 비교적 낮은 것을 특징으로 하는 분말철심 자기장치.
  8. 교류전기장치용으로 압밀된 분말철심자기부품에 있어서, 압밀하기 전의 입도가 0.05인치인 철분말을 제조하고, 상기 철분말의 입자를 규산 알칼리금속으로 피복하고 실리코운 수지로 재피복하여 입자르 서로 절연시킨 상태에서 이론적 철의 밀도가 약 90%에 달하게 하며, 상기 부품내의 철을 소둔하여 히스테리시스손과 와전류손을 비교적 낮춘 것을 특징으로 하는 분말철심 자기장치.
  9. 제8항에 있어서, 철을 소둔하여 히스테리시스손과 와전류손을 송전선 주파수와 거의 동일하게 한 것을 특징으로 하는 분말철심 자기장치.
  10. 제8항에 있어서, 압밀하기 전의 철의 입도는 0.002 내지 0.006인치인 것을 특징으로 하는 분말철심 자기장치.
  11. 제8항에 있어서, 입자의 적어도 70%는 0.001 내지 0.008 인치인 것을 특징으로 하는 분말철심 자기장치.
  12. 제11항에 있어서, 철분말은 이론적 철의 밀도가 약 93 내지 95%에 달하도록 압밀한 것을 특징으로 하는 분말철심 자기장치.
  13. 교류전기장치용 분말철심 자기부품 제조방법에 있어서, 압도가 직경 0.05인치 이하인 철분말로 선별하고, 상기 분말과 규산알칼리금속의 수성용액을 혼합하며, 분말을 건조시키고, 유기용매에 용해된 실리코운 수지를 분말에 혼합하며, 상기 수지가 입자에 얇게 재피복되도록 분말을 건조하고, 철심부품을 위한 소기의 형태로 분말을 압축하는 단계로 구성되는 것을 특징으로 하는 분말철심 자기장치 제조방법.
  14. 제13항에 있어서, 와전류손의 과도한 증가없이 히스테리시스손을 대체로 감소시키기 위하여 효과적인 온도에서 철심부품을 소둔하는 단계가 포함되는 것을 특징으로 하는 분말철심 자기장치 제조방법.
  15. 제14항에 있어서, 선별된 철분말은 입도분포가 0.002 내지 0.006 인치인 중간입자를 갖는 것을 특징으로 하는 분말철심 자기장치 제조방법.
  16. 제14항에 있어서, 철분말과 수성규산알칼리금속의 혼합물은 휘저으며 규산염으로 피복된 분말이 자유유동성을 띨때까지 송풍하고, 피복된 분말은 전표면의 수분을 제거하기 위하여 가열하는 것을 특징으로 하는 분말철심 자기장치 제조방법.
  17. 제14항에 있어서, 실리코운 수지는 폴리오가노 실록산 수지의 극히 얇은 재피복층을 형성하는 재료 중의 한 가지인 것을 특징으로 하는 분말철심 자기장치 제조방법.
  18. 제17항에 있어서, 실리코운수지는 2 및 3 작용성 그룹으로 평형된 알킬 및 아릴그룹을 함유하여 고온안정성과 양호한 부착력을 부여하는 것을 특징으로 하는 분말철심 자기장치 제조방법.
  19. 제18항에 있어서, 실리코운 수지는 메틸 및 페닐트리클로로 실레인과 디메틸 및 디페닐디클로로 실레인의 혼합물로 제조한 것을 특징으로 하는 분말철심 자기장치 제조방법.
  20. 제14항에 있어서, 소둔은 적어도 500℃에서 행하는 것을 특징으로 하는 분말철심 자기장치 제조방법.
  21. 제14항에 있어서, 소둔은 약 600℃에서 행하는 것을 특징으로 하는 분말철심 자기장치 제조방법.
  22. 제13항의 방법을 실시예로 하여 제조된 것을 특징으로 하는 분말철심 자기장치.
  23. 제14항의 방법을 실시예로 하여 제조된 것을 특징으로 하는 분말철심 자기장치.
  24. 히스테리시스손과 와존류손이 비교적 낮도록 소둔할 수 있는 철심 자기부품으로 이론적 철의 밀도가 90% 이상 압밀하기에 적합한 처리된 철분말에 있어서, 개개의 입자를 절연시키기에 효과적인 연속규소질피막의 피복층과 고온중합체의 재피복층을 갖는 입자로 구성된 것을 특징으로 하는 분말철심 자기장치용 철분말.
  25. 제24항에 있어서, 철분말의 입자는 0.05인치 이하인 것을 특징으로 하는 분말철심 자기장치용 철분말.
  26. 제25항에 있어서, 규소질 피막은 규산알칼리금속에 의해 형성되고, 고온 중합체는 실리코운 수지인 것을 특징으로 하는 분말철심 자기장치용 철분말.
  27. 제25항에 있어서, 철분말의 중간입자의 입도분포는 0.002 내지 0.006 인치인 것을 특징으로 하는 분말철심 자기장치용 철분말.
  28. 제25항에 있어서, 입자의 적어도 70중량%는 입도가 0.001 내지 0.008 인치인 것을 특징으로 하는 분말철심 자기장치용 철분말.
  29. 제26항에 있어서, 입자에 피복된 규산염과 재피복된 실리코운의 총두께는 입자크기의 약내지%에 달하는 것을 특징으로 하는 분말철심 자기장치용 철분말.
  30. 제26항에 있어서, 규산알칼리금속은 규산칼륨이고, 실리코운수지는 폴리메틸페닐 실록산인 것을 특징으로 하는 분말철심 자기장치용 철분말.
  31. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840002443A 1983-05-05 1984-05-04 분말철심 자기장치 KR850000140A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/491,830 US4601765A (en) 1983-05-05 1983-05-05 Powdered iron core magnetic devices
US419830 1983-05-05

Publications (1)

Publication Number Publication Date
KR850000140A true KR850000140A (ko) 1985-02-25

Family

ID=23953851

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840002443A KR850000140A (ko) 1983-05-05 1984-05-04 분말철심 자기장치

Country Status (5)

Country Link
US (1) US4601765A (ko)
JP (1) JPS601816A (ko)
KR (1) KR850000140A (ko)
ES (1) ES532137A0 (ko)
FR (1) FR2545640A1 (ko)

Families Citing this family (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0831383B2 (ja) * 1985-03-28 1996-03-27 株式会社東芝 大電流用リアクトル
JPH0740528B2 (ja) * 1985-06-26 1995-05-01 株式会社東芝 鉄心の製造方法
JPS636809A (ja) * 1986-06-27 1988-01-12 Toshiba Corp 鉄心の製造方法
US4940630A (en) * 1987-10-14 1990-07-10 Asten Group, Inc. Base fabric structures for seamed wet press felts
US4931699A (en) * 1989-01-06 1990-06-05 General Electric Company Ballast system including a starting aid for a gaseous discharge lamp
US5063011A (en) * 1989-06-12 1991-11-05 Hoeganaes Corporation Doubly-coated iron particles
US5198137A (en) * 1989-06-12 1993-03-30 Hoeganaes Corporation Thermoplastic coated magnetic powder compositions and methods of making same
US5306524A (en) * 1989-06-12 1994-04-26 Hoeganaes Corporation Thermoplastic coated magnetic powder compositions and methods of making same
US5015982A (en) * 1989-08-10 1991-05-14 General Motors Corporation Ignition coil
US4947065A (en) * 1989-09-22 1990-08-07 General Motors Corporation Stator assembly for an alternating current generator
US4956011A (en) * 1990-01-17 1990-09-11 Nippon Steel Corporation Iron-silicon alloy powder magnetic cores and method of manufacturing the same
US5211896A (en) * 1991-06-07 1993-05-18 General Motors Corporation Composite iron material
US5268140A (en) * 1991-10-03 1993-12-07 Hoeganaes Corporation Thermoplastic coated iron powder components and methods of making same
US5225459A (en) * 1992-01-31 1993-07-06 Hoeganaes Corporation Method of making an iron/polymer powder composition
EP0580208B1 (en) * 1992-07-20 1996-10-02 General Motors Corporation Method of producing magnetic rotor parts
US5271891A (en) * 1992-07-20 1993-12-21 General Motors Corporation Method of sintering using polyphenylene oxide coated powdered metal
US5563001A (en) * 1992-11-16 1996-10-08 General Motors Corporation Encapsulated ferromagnetic particles suitable for high temperature use
US5589010A (en) * 1993-04-09 1996-12-31 General Motors Corporation Annealed polymer-bonded soft magnetic body
US5595609A (en) * 1993-04-09 1997-01-21 General Motors Corporation Annealed polymer-bonded soft magnetic body
US5498644A (en) * 1993-09-10 1996-03-12 Specialty Silicone Products, Inc. Silcone elastomer incorporating electrically conductive microballoons and method for producing same
IT1261156B (it) * 1993-12-30 1996-05-09 Elasis Sistema Ricerca Fiat Elettromagnete di comando di una valvola di dosaggio per un iniettore di combustibile
SE9401392D0 (sv) * 1994-04-25 1994-04-25 Hoeganaes Ab Heat-treating of iron powders
US5629092A (en) * 1994-12-16 1997-05-13 General Motors Corporation Lubricous encapsulated ferromagnetic particles
US7921546B2 (en) * 1995-07-18 2011-04-12 Vishay Dale Electronics, Inc. Method for making a high current low profile inductor
US7034645B2 (en) 1999-03-16 2006-04-25 Vishay Dale Electronics, Inc. Inductor coil and method for making same
CA2180992C (en) * 1995-07-18 1999-05-18 Timothy M. Shafer High current, low profile inductor and method for making same
US7263761B1 (en) 1995-07-18 2007-09-04 Vishay Dale Electronics, Inc. Method for making a high current low profile inductor
JPH09260126A (ja) * 1996-01-16 1997-10-03 Tdk Corp 圧粉コア用鉄粉末、圧粉コアおよびその製造方法
US5798439A (en) * 1996-07-26 1998-08-25 National Research Council Of Canada Composite insulating coatings for powders, especially for magnetic applications
WO1998005454A1 (fr) * 1996-08-05 1998-02-12 Kawasaki Steel Corporation Melange de poudre metallurgique a base de fer possedant d'excellentes caracteristiques de fluidite et de moulage et son procede de preparation
JPH10212503A (ja) * 1996-11-26 1998-08-11 Kubota Corp 非晶質軟磁性合金粉末成形体及びその製造方法
US5986379A (en) * 1996-12-05 1999-11-16 General Electric Company Motor with external rotor
US6039784A (en) * 1997-03-12 2000-03-21 Hoeganaes Corporation Iron-based powder compositions containing green strength enhancing lubricants
US5767426A (en) * 1997-03-14 1998-06-16 Hoeganaes Corp. Ferromagnetic powder compositions formulated with thermoplastic materials and fluoric resins and compacted articles made from the same
CA2284709A1 (en) 1997-03-24 1998-10-01 Materials Innovation, Inc. Method for making parts from particulate ferrous material
US6284060B1 (en) 1997-04-18 2001-09-04 Matsushita Electric Industrial Co., Ltd. Magnetic core and method of manufacturing the same
TW428183B (en) * 1997-04-18 2001-04-01 Matsushita Electric Ind Co Ltd Magnetic core and method of manufacturing the same
DE19735271C2 (de) * 1997-08-14 2000-05-04 Bosch Gmbh Robert Weichmagnetischer, formbarer Verbundwerkstoff und Verfahren zu dessen Herstellung
US6051324A (en) * 1997-09-15 2000-04-18 Lockheed Martin Energy Research Corporation Composite of ceramic-coated magnetic alloy particles
US5962938A (en) 1997-10-21 1999-10-05 General Electric Company Motor with external rotor
US5982073A (en) 1997-12-16 1999-11-09 Materials Innovation, Inc. Low core loss, well-bonded soft magnetic parts
US6372348B1 (en) 1998-11-23 2002-04-16 Hoeganaes Corporation Annealable insulated metal-based powder particles
JP3580253B2 (ja) * 1999-02-10 2004-10-20 松下電器産業株式会社 複合磁性体
US6271609B1 (en) 1999-03-25 2001-08-07 General Electric Company Programmable electric motor and method of assembly
US6133666A (en) * 1999-03-25 2000-10-17 General Electric Company Electric motor with a stator including a central locator
US6147465A (en) * 1999-03-25 2000-11-14 General Electric Company Microprocessor controlled single phase motor with external rotor having integral fan
PL348301A1 (en) 1999-03-25 2002-05-20 Gen Electric Electric motor having snap connection assembly method
US6118198A (en) * 1999-03-25 2000-09-12 General Electric Company Electric motor with ice out protection
US6455100B1 (en) 1999-04-13 2002-09-24 Elisha Technologies Co Llc Coating compositions for electronic components and other metal surfaces, and methods for making and using the compositions
CA2282636A1 (en) 1999-09-16 2001-03-16 Philippe Viarouge Power transformers and power inductors for low frequency applications using isotropic composite magnetic materials with high power to weight ratio
JP2001230116A (ja) * 1999-12-09 2001-08-24 Sumitomo Electric Ind Ltd 電磁アクチュエータ
JP4684461B2 (ja) * 2000-04-28 2011-05-18 パナソニック株式会社 磁性素子の製造方法
DE10024824A1 (de) * 2000-05-19 2001-11-29 Vacuumschmelze Gmbh Induktives Bauelement und Verfahren zu seiner Herstellung
US6534564B2 (en) 2000-05-31 2003-03-18 Hoeganaes Corporation Method of making metal-based compacted components and metal-based powder compositions suitable for cold compaction
JP3507836B2 (ja) * 2000-09-08 2004-03-15 Tdk株式会社 圧粉磁芯
US6651309B2 (en) 2001-02-27 2003-11-25 Delphi Technologies, Inc. Method for fabricating a highly-dense powder iron pressed stator core for use in alternating current generators and electric motors
CA2378417C (en) * 2001-03-27 2009-11-24 Kawasaki Steel Corporation Ferromagnetic-metal-based powder, powder core using the same, and manufacturing method for ferromagnetic-metal-based powder
JP2003303711A (ja) * 2001-03-27 2003-10-24 Jfe Steel Kk 鉄基粉末およびこれを用いた圧粉磁心ならびに鉄基粉末の製造方法
DE10128004A1 (de) * 2001-06-08 2002-12-19 Vacuumschmelze Gmbh Induktives Bauelement und Verfahren zu seiner Herstellung
DE10134056B8 (de) * 2001-07-13 2014-05-28 Vacuumschmelze Gmbh & Co. Kg Verfahren zur Herstellung von nanokristallinen Magnetkernen sowie Vorrichtung zur Durchführung des Verfahrens
US7504920B2 (en) * 2001-09-26 2009-03-17 Tekonsha Engineering Company Magnetic brake assembly
US6808807B2 (en) * 2002-06-14 2004-10-26 General Electric Company Coated ferromagnetic particles and composite magnetic articles thereof
EP1546438A2 (en) * 2002-09-23 2005-06-29 Elisha Holding LLC Coating compositions for electronic components and other metal surfaces, and methods for making and using the compositions
JP2004197212A (ja) * 2002-10-21 2004-07-15 Aisin Seiki Co Ltd 軟磁性成形体、軟磁性成形体の製造方法、軟磁性粉末材料
US20040086708A1 (en) * 2002-11-04 2004-05-06 General Electric Company High permeability soft magnetic composites
US20040084112A1 (en) * 2002-11-05 2004-05-06 General Electric Company Insulating coating with ferromagnetic particles
CA2418497A1 (en) 2003-02-05 2004-08-05 Patrick Lemieux High performance soft magnetic parts made by powder metallurgy for ac applications
US7041148B2 (en) * 2003-03-03 2006-05-09 General Electric Company Coated ferromagnetic particles and compositions containing the same
US20050001499A1 (en) * 2003-07-01 2005-01-06 Litton Systems, Inc. Permanent magnet rotor for brushless D.C. motor
US6914351B2 (en) * 2003-07-02 2005-07-05 Tiax Llc Linear electrical machine for electric power generation or motive drive
US20050016658A1 (en) * 2003-07-24 2005-01-27 Thangavelu Asokan Composite coatings for ground wall insulation in motors, method of manufacture thereof and articles derived therefrom
US20050019558A1 (en) * 2003-07-24 2005-01-27 Amitabh Verma Coated ferromagnetic particles, method of manufacturing and composite magnetic articles derived therefrom
JP4452240B2 (ja) 2003-08-06 2010-04-21 日本科学冶金株式会社 軟磁性複合粉末及びその製造方法並び軟磁性成形体の製造方法
JP2005133168A (ja) * 2003-10-31 2005-05-26 Mitsubishi Materials Corp 磁気特性に優れ、高強度および低鉄損を有する複合軟磁性材の製造方法
US7803457B2 (en) * 2003-12-29 2010-09-28 General Electric Company Composite coatings for groundwall insulation, method of manufacture thereof and articles derived therefrom
JP2006101672A (ja) * 2004-09-30 2006-04-13 Hitachi Industrial Equipment Systems Co Ltd 流体流路を内蔵する回転電機
DE102004051129A1 (de) * 2004-10-18 2006-04-20 Siemens Ag Drossel, insbesondere zum Betrieb in einem Frequenzumrichtersystem, sowie Frequenzumrichtersystem
CN1877756A (zh) * 2005-06-10 2006-12-13 富准精密工业(深圳)有限公司 磁性粉体
DE102005034486A1 (de) * 2005-07-20 2007-02-01 Vacuumschmelze Gmbh & Co. Kg Verfahren zur Herstellung eines weichmagnetischen Kerns für Generatoren sowie Generator mit einem derartigen Kern
US7824324B2 (en) * 2005-07-27 2010-11-02 Neuronetics, Inc. Magnetic core for medical procedures
DE102006028389A1 (de) * 2006-06-19 2007-12-27 Vacuumschmelze Gmbh & Co. Kg Magnetkern und Verfahren zu seiner Herstellung
US8287664B2 (en) * 2006-07-12 2012-10-16 Vacuumschmelze Gmbh & Co. Kg Method for the production of magnet cores, magnet core and inductive component with a magnet core
US20080036566A1 (en) * 2006-08-09 2008-02-14 Andrzej Klesyk Electronic Component And Methods Relating To Same
JP4415980B2 (ja) * 2006-08-30 2010-02-17 株式会社日立製作所 高抵抗磁石およびそれを用いたモータ
DE502007000329D1 (de) * 2006-10-30 2009-02-05 Vacuumschmelze Gmbh & Co Kg Weichmagnetische Legierung auf Eisen-Kobalt-Basis sowie Verfahren zu deren Herstellung
DE102007034925A1 (de) * 2007-07-24 2009-01-29 Vacuumschmelze Gmbh & Co. Kg Verfahren zur Herstellung von Magnetkernen, Magnetkern und induktives Bauelement mit einem Magnetkern
US9057115B2 (en) * 2007-07-27 2015-06-16 Vacuumschmelze Gmbh & Co. Kg Soft magnetic iron-cobalt-based alloy and process for manufacturing it
US8012270B2 (en) * 2007-07-27 2011-09-06 Vacuumschmelze Gmbh & Co. Kg Soft magnetic iron/cobalt/chromium-based alloy and process for manufacturing it
JP4589374B2 (ja) * 2007-11-02 2010-12-01 株式会社豊田中央研究所 磁心用粉末及び圧粉磁心並びにそれらの製造方法
JP5145923B2 (ja) * 2007-12-26 2013-02-20 パナソニック株式会社 複合磁性材料
JP5697589B2 (ja) 2008-03-20 2015-04-08 ホガナス アクチボラグ (パブル) 強磁性粉末組成物及びその生産方法
JP4513131B2 (ja) * 2008-05-23 2010-07-28 住友電気工業株式会社 軟磁性材料の製造方法、および圧粉磁心の製造方法
US20100037451A1 (en) * 2008-08-12 2010-02-18 Chang-Mao Cheng Method of material selection and forming to solve aging of one inductor's iron core
TWI407462B (zh) * 2009-05-15 2013-09-01 Cyntec Co Ltd 電感器及其製作方法
KR101737422B1 (ko) 2009-09-18 2017-05-18 회가내스 아베 (피유비엘) 강자성 분말 조성물 및 이를 생산하는 방법
EP2537165A1 (en) 2010-02-18 2012-12-26 Höganäs AB Ferromagnetic powder composition and method for its production
US9067833B2 (en) 2012-06-21 2015-06-30 Toyota Motor Engineering & Manufacturing North America, Inc. Iron oxide and silica magnetic core
US10975457B2 (en) 2012-08-02 2021-04-13 Toyota Motor Engineering & Manufacturing North America, Inc. Iron cobalt ternary alloy and silica magnetic core
US9093205B2 (en) 2013-05-23 2015-07-28 Toyota Motor Engineering & Manufacturing North America, Inc. Superparamagnetic iron oxide and silica nanoparticles of high magnetic saturation and a magnetic core containing the nanoparticles
US10984933B2 (en) 2013-06-19 2021-04-20 Toyota Motor Engineering & Manufacturing North America, Inc. Superparamagnetic iron cobalt ternary alloy and silica nanoparticles of high magnetic saturation and a magnetic core containing the nanoparticles
US10910153B2 (en) 2013-07-15 2021-02-02 Toyota Motor Engineering & Manufacturing North America, Inc. Superparamagnetic iron cobalt alloy and silica nanoparticles of high magnetic saturation and a magnetic core containing the nanoparticles
DE102013114731A1 (de) * 2013-12-20 2015-06-25 Endress+Hauser Flowtec Ag Spule
US9989391B2 (en) 2013-12-20 2018-06-05 Endress + Hauser Flowtec Ag Coil
US9431159B2 (en) * 2014-03-05 2016-08-30 Toyota Motor Engineering & Manufacturing North America, Inc. Iron cobalt ternary alloy nanoparticles with silica shells and metal silicate interface
US9800095B2 (en) 2014-04-14 2017-10-24 Toyota Motor Engineering & Manufacturing North America, Inc. Core shell superparamagnetic iron cobalt alloy nanoparticles with functional metal silicate core shell interface and a magnetic core containing the nanoparticles
US9390845B2 (en) 2014-06-05 2016-07-12 Toyota Motor Engineering & Manufacturing North America, Inc. Core shell superparamagnetic iron oxide nanoparticles with functional metal silicate core shell interface and a magnetic core containing the nanoparticles
KR102522283B1 (ko) * 2015-11-19 2023-04-19 삼성디스플레이 주식회사 백라이트 유닛
EP3199264A1 (en) * 2016-02-01 2017-08-02 Höganäs Ab (publ) New composition and method
TWI612314B (zh) * 2016-03-29 2018-01-21 國立臺灣大學 感測裝置及應用該感測裝置之輸電線路監測系統
US10304604B2 (en) 2016-05-03 2019-05-28 The United States Of America As Represented By The Secretary Of The Army Deformable inductive devices having a magnetic core formed of an elastomer with magnetic particles therein along with a deformable electrode
CA3233875A1 (en) 2021-10-15 2023-04-20 Hoganas Ab (Publ) A ferromagnetic powder composition and a method for obtaining thereof
CN116013678B (zh) * 2023-03-02 2023-10-17 深圳信义磁性材料有限公司 一种低损耗的铁硅磁粉芯材料的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB548461A (en) * 1941-04-25 1942-10-12 Telephone Mfg Co Ltd Improvements in or relating to magnetic cores and the production thereof
US2601212A (en) * 1948-11-09 1952-06-17 Gen Aniline & Film Corp Heat resistant magnetic cores and method of making
FR1061690A (fr) * 1951-11-16 1954-04-14 Lignes Telegraph Telephon Isolation pour noyaux ferromagnétiques
GB731743A (en) * 1952-03-25 1955-06-15 Gen Aniline & Film Corp Process of preparing carbonyl iron powders of improved high frequency characteristics
FR1126654A (fr) * 1955-05-23 1956-11-28 Lignes Telegraph Telephon Noyaux magnétiques en poudre ferromagnétique isolée et comprimée
GB1046241A (en) * 1961-08-31 1966-10-19 Secr Defence Improvements in the production of iron powder having high electrical resistivity
US3917976A (en) * 1967-10-11 1975-11-04 Gen Electric Starting and operating circuit for gaseous discharge lamps
US3725521A (en) * 1970-10-29 1973-04-03 Smith Corp A Method of making steel powder particles of select electrical resistivity
JPS5189198A (en) * 1975-02-03 1976-08-04 Atsupuntetsushinno jiseikojohoho
US4177089A (en) * 1976-04-27 1979-12-04 The Arnold Engineering Company Magnetic particles and compacts thereof
DE2628207A1 (de) * 1976-06-23 1978-01-05 Draloric Electronic Verfahren zur herstellung von aus magnetwerkstoff und einem bindemittel gepressten weichmagnetischen formkoerpern
JPS5416664A (en) * 1977-06-08 1979-02-07 Nippon Kinzoku Co Ltd Reactor
SU765891A1 (ru) * 1978-07-07 1980-09-23 Предприятие П/Я А-1216 Способ изготовлени магнитодиэлектрических сердечников на основе карбонильного железа
JPS55130103A (en) * 1979-03-30 1980-10-08 Tohoku Metal Ind Ltd Process for producing dust magnetic material

Also Published As

Publication number Publication date
JPS601816A (ja) 1985-01-08
ES8600826A1 (es) 1985-10-16
ES532137A0 (es) 1985-10-16
US4601765A (en) 1986-07-22
FR2545640A1 (fr) 1984-11-09

Similar Documents

Publication Publication Date Title
KR850000140A (ko) 분말철심 자기장치
US2465296A (en) Metal chelate stabilized organic silicon compositions and products thereof
DE3005745C2 (ko)
US2601212A (en) Heat resistant magnetic cores and method of making
US2523037A (en) Method of making an organopolysiloxane insulated copper conductor
US2442613A (en) Process for making polysiloxane electrical insulating composition
EP0124106B1 (en) Poly(arylene sulfide) compositions
US2984590A (en) Composite material and method for the production thereof
ES229163A1 (es) UN PROCEDIMIENTO DE PRERARACIoN DE UN CONDUCTOR ELÉCTRICO AISLADO
US2953466A (en) Silicon-mica composition
US2620317A (en) Organosiloxane films
US2717219A (en) Asbestos fiber electrical insulating member impregnated with methyl hydrogen polysiloxane
US2899403A (en) Low viscosity polysiloxanes and com-
JPS59112099A (ja) ガラス紙の製造法
US873780A (en) Insulated coil.
US2662029A (en) Paraffin wax having low electrical conductivity and method of coating glass therewith
US1838077A (en) Composition for electrical insulation and other purposes and method and steps of making and using the same
US2685533A (en) Process of impregnating unfired inorganic body with organosilicon compounds and article resulting therefrom
US2850473A (en) Liquid resinous organopolysiloxanes of increased viscosity and methods for preparing the same
US3834938A (en) Flameproof moisture-resistant coatings for electrical components
Bass Silicones-A New Class of High Polymers of Interest to the Radio Industry
US2813047A (en) Electrical members provided with high temperature electrical insulation comprising organopolysiloxanes
SU1023550A1 (ru) Способ изготовлени магнитопроводов
JPS5854609A (ja) 電気機器線輪の絶縁方法
SU924763A1 (ru) Устройство дл нанесени электроизол ционного покрыти из полимерных паст на электротехнические издели

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid