DE3365486D1 - Magnetic core and method of producing the same - Google Patents

Magnetic core and method of producing the same

Info

Publication number
DE3365486D1
DE3365486D1 DE8383113121T DE3365486T DE3365486D1 DE 3365486 D1 DE3365486 D1 DE 3365486D1 DE 8383113121 T DE8383113121 T DE 8383113121T DE 3365486 T DE3365486 T DE 3365486T DE 3365486 D1 DE3365486 D1 DE 3365486D1
Authority
DE
Germany
Prior art keywords
producing
same
magnetic core
core
magnetic
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.)
Expired
Application number
DE8383113121T
Other languages
English (en)
Inventor
Hiromichi Horie
Mikio Morita
Itsuo Arima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26461092&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3365486(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP57226736A external-priority patent/JPS59119710A/ja
Priority claimed from JP58124408A external-priority patent/JPS6016406A/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3365486D1 publication Critical patent/DE3365486D1/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C32/00Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0094Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with organic materials as the main non-metallic constituent, e.g. resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets 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
    • H01F1/14Magnets 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
    • H01F1/20Magnets 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 in the form of particles, e.g. powder
    • H01F1/22Magnets 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 in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24Magnets 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 in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H01F1/26Magnets 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 in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/255Magnetic cores made from particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Dispersion Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
DE8383113121T 1982-12-27 1983-12-27 Magnetic core and method of producing the same Expired DE3365486D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57226736A JPS59119710A (ja) 1982-12-27 1982-12-27 鉄心
JP58124408A JPS6016406A (ja) 1983-07-08 1983-07-08 鉄心の製造方法

Publications (1)

Publication Number Publication Date
DE3365486D1 true DE3365486D1 (en) 1986-09-25

Family

ID=26461092

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383113121T Expired DE3365486D1 (en) 1982-12-27 1983-12-27 Magnetic core and method of producing the same

Country Status (4)

Country Link
US (1) US4543208A (de)
EP (1) EP0112577B2 (de)
CA (1) CA1218283A (de)
DE (1) DE3365486D1 (de)

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JPS61124038A (ja) * 1984-11-20 1986-06-11 Toshiba Corp 電磁偏向型ブラウン管用偏向ヨ−ク及びその製造方法
DE3668722D1 (de) * 1985-06-26 1990-03-08 Toshiba Kawasaki Kk Magnetkern und herstellungsverfahren.
US4728537A (en) * 1985-11-29 1988-03-01 Allied Colloids Limited Ore pelletization
US4647890A (en) * 1986-05-15 1987-03-03 Battelle Development Corporation Molded ferromagnetic return circuit for a solenoid
GB8707905D0 (en) * 1987-04-02 1987-05-07 Univ Birmingham Magnets
US5160447A (en) * 1988-02-29 1992-11-03 Kabushiki Kaisha Sankyo Seiki Seisakusho Compressed powder magnetic core and method for fabricating same
JPH0821494B2 (ja) * 1988-08-04 1996-03-04 日鉱金属株式会社 積層磁心及び積層磁心の製造方法
DE69031250T2 (de) * 1989-06-09 1997-12-04 Matsushita Electric Ind Co Ltd Magnetisches Material
CA2012485A1 (en) * 1989-08-10 1991-02-10 Jack R. Phillips Ignition coil
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
US5019796A (en) * 1989-12-22 1991-05-28 Eastman Kodak Company Bar magnet for construction of a magnetic roller core
US5268140A (en) * 1991-10-03 1993-12-07 Hoeganaes Corporation Thermoplastic coated iron powder components and methods of making same
EP0580208B1 (de) * 1992-07-20 1996-10-02 General Motors Corporation Verfahren zur Herstellung von magnetischen Rotorteilen
US5271891A (en) * 1992-07-20 1993-12-21 General Motors Corporation Method of sintering using polyphenylene oxide coated powdered metal
US6046538A (en) * 1997-02-17 2000-04-04 Victor Company Of Japan, Ltd. Deflection yoke and yoke core used for the deflection yoke
DE69404195T2 (de) * 1993-04-09 1997-10-30 Gen Motors Corp Magnetkörper aus eingebetteten ferromagnetischen Partikeln und Herstellungsverfahren dafür
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
US5898253A (en) * 1993-11-18 1999-04-27 General Motors Corporation Grain oriented composite soft magnetic structure
DE19509264A1 (de) * 1995-03-15 1996-09-19 Siemens Matsushita Components Magnetischer und/oder magnetisierbarer Wickelträger
SE9501129D0 (sv) * 1995-03-28 1995-03-28 Hoeganaes Ab Soft magnetic anisotropic composite materials
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
US5722032A (en) * 1996-07-01 1998-02-24 General Motors Corporation AC generator rotor segment
DE69727207T2 (de) * 1996-09-09 2004-11-25 Nec Tokin Corp., Sendai Hoch warmeleitendes magnetisches mischmaterial
US5986379A (en) 1996-12-05 1999-11-16 General Electric Company Motor with external rotor
TW428183B (en) * 1997-04-18 2001-04-01 Matsushita Electric Ind Co Ltd Magnetic core and method of manufacturing the same
US6284060B1 (en) 1997-04-18 2001-09-04 Matsushita Electric Industrial Co., Ltd. Magnetic core and method of manufacturing the same
JPH118111A (ja) * 1997-06-17 1999-01-12 Tdk Corp バルントランス用コア材料、バルントランス用コアおよびバルントランス
US5962938A (en) * 1997-10-21 1999-10-05 General Electric Company Motor with external rotor
US6509821B2 (en) * 1998-02-20 2003-01-21 Anritsu Company Lumped element microwave inductor with windings around tapered poly-iron core
US7106163B2 (en) * 1998-03-27 2006-09-12 The Furukawa Electric Co., Ltd. Core
EP0986073B1 (de) * 1998-03-27 2011-02-09 The Furukawa Electric Co., Ltd. Transformatorkern mit getrennten teilen
DE19908374B4 (de) * 1999-02-26 2004-11-18 Magnequench Gmbh Teilchenverbundwerkstoff aus einer thermoplastischen Kunststoffmatrix mit eingelagertem weichmagnetischen Material, Verfahren zur Herstellung eines solchen Verbundkörpers, sowie dessen Verwendung
US6271609B1 (en) 1999-03-25 2001-08-07 General Electric Company Programmable electric motor and method of assembly
US6147465A (en) * 1999-03-25 2000-11-14 General Electric Company Microprocessor controlled single phase motor with external rotor having integral fan
US6133666A (en) * 1999-03-25 2000-10-17 General Electric Company Electric motor with a stator including a central locator
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
DE10024824A1 (de) 2000-05-19 2001-11-29 Vacuumschmelze Gmbh Induktives Bauelement und Verfahren zu seiner Herstellung
US20020045531A1 (en) * 2000-10-18 2002-04-18 Toru Suzuki Oriented sintered ceramic product and manufacturing method thereof
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
CN100350519C (zh) * 2002-08-07 2007-11-21 日立粉末冶金株式会社 压粉磁芯及其生产方法
CA2418497A1 (en) 2003-02-05 2004-08-05 Patrick Lemieux High performance soft magnetic parts made by powder metallurgy for ac applications
KR101111151B1 (ko) * 2003-03-10 2012-04-12 가부시키가이샤 다이야멧트 피삭성이 뛰어난 철기소결합금
US7132919B2 (en) * 2003-10-30 2006-11-07 Agilent Technologies, Inc. High-frequency inductor with integrated contact
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
DE102006028389A1 (de) * 2006-06-19 2007-12-27 Vacuumschmelze Gmbh & Co. Kg Magnetkern und Verfahren zu seiner Herstellung
JP2009543370A (ja) * 2006-07-12 2009-12-03 ファキュウムシュメルゼ ゲーエムベーハー ウント コンパニー カーゲー 磁芯の作製方法、磁芯及び磁芯を伴う誘導性部材
DE102006032517B4 (de) 2006-07-12 2015-12-24 Vaccumschmelze Gmbh & Co. Kg Verfahren zur Herstellung von Pulververbundkernen und Pulververbundkern
JP2008041771A (ja) * 2006-08-02 2008-02-21 Toshiba Corp 高周波磁性材料の製造方法
JP2008109080A (ja) * 2006-09-29 2008-05-08 Alps Electric Co Ltd 圧粉磁心及びその製造方法
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
TW200917288A (en) * 2007-10-15 2009-04-16 Sekishin Kogyo Co Ltd Metallic magnetic material for magnetic element of a choke coil and SMD choke coil
US8072773B2 (en) 2008-04-04 2011-12-06 John Mruz Ultra-wideband assembly system and method
TWI407462B (zh) * 2009-05-15 2013-09-01 Cyntec Co Ltd 電感器及其製作方法
DE102012213263A1 (de) * 2011-09-20 2013-03-21 Robert Bosch Gmbh Handwerkzeugvorrichtung mit zumindest einer Ladespule
CN102982945B (zh) * 2012-11-23 2016-05-04 天长市昭田磁电科技有限公司 一种含有CaO的铁磁芯的制造方法
JP2015007272A (ja) * 2013-06-25 2015-01-15 株式会社東芝 磁性材料およびデバイス

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GB403368A (en) * 1931-03-16 1933-12-18 Johnson Lab Inc Improvements in or relating to magnetic cores for high frequency inductance coils and transformers
US2330590A (en) * 1939-05-19 1943-09-28 Kaschke Kurt Dust iron core
US3602986A (en) * 1969-10-31 1971-09-07 Du Pont Method of fabricating radially oriented magnets
US3929658A (en) * 1972-11-02 1975-12-30 Du Pont Magnetic recording compositions and elements of low abrasiveness and process for making them
JPS5252639A (en) * 1975-10-27 1977-04-27 Mita Ind Co Ltd Electrostatic photographic developer
DE2628207A1 (de) * 1976-06-23 1978-01-05 Draloric Electronic Verfahren zur herstellung von aus magnetwerkstoff und einem bindemittel gepressten weichmagnetischen formkoerpern
JPS603178B2 (ja) * 1976-08-10 1985-01-26 コニカ株式会社 静電荷像現像用トナ−およびその製造方法
DE2812445C2 (de) * 1978-03-22 1983-10-13 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Herstellung von Preßmassen mit weichmagnetischen Eigenschaften
JPS5538672A (en) * 1978-09-11 1980-03-18 Fuji Photo Film Co Ltd Magnetic recording medium
JPS583292B2 (ja) * 1978-10-12 1983-01-20 ティーディーケイ株式会社 磁気記録媒体用磁性塗料の製造法
JPS5555439A (en) * 1978-10-18 1980-04-23 Hitachi Ltd Magnetic recording medium composite
JPS576439A (en) * 1980-06-13 1982-01-13 Tdk Corp Magnetic recording medium
JPS5763804A (en) * 1980-10-07 1982-04-17 Tdk Corp Magnetic recording medium
JPS57130233A (en) * 1981-02-04 1982-08-12 Fuji Photo Film Co Ltd Magnetic recording medium
US4397751A (en) * 1981-05-04 1983-08-09 International Business Machines Corporation Magnetic disk coatings
JPS58147106A (ja) * 1982-02-26 1983-09-01 Toshiba Corp 鉄心材料
JPS63135937A (ja) * 1986-11-27 1988-06-08 Teijin Ltd 光記録媒体及び光記録・再生方法
JPS6412235A (en) 1987-07-06 1989-01-17 Minolta Camera Kk Radiation thermometer

Also Published As

Publication number Publication date
CA1218283A (en) 1987-02-24
EP0112577B2 (de) 1990-02-28
EP0112577B1 (de) 1986-08-20
US4543208A (en) 1985-09-24
EP0112577A1 (de) 1984-07-04

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee