DE3884491T2 - Magnetic core and manufacturing method. - Google Patents

Magnetic core and manufacturing method.

Info

Publication number
DE3884491T2
DE3884491T2 DE88111364T DE3884491T DE3884491T2 DE 3884491 T2 DE3884491 T2 DE 3884491T2 DE 88111364 T DE88111364 T DE 88111364T DE 3884491 T DE3884491 T DE 3884491T DE 3884491 T2 DE3884491 T2 DE 3884491T2
Authority
DE
Germany
Prior art keywords
manufacturing
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 - Lifetime
Application number
DE88111364T
Other languages
German (de)
Other versions
DE3884491D1 (en
Inventor
Yoshihito Yoshizawa
Kiyotaka Yamauchi
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Application granted granted Critical
Publication of DE3884491D1 publication Critical patent/DE3884491D1/en
Publication of DE3884491T2 publication Critical patent/DE3884491T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • C22C45/02—Amorphous alloys with iron as the major constituent
    • 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
    • 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
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • 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
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
    • H01F41/0226—Manufacturing of magnetic circuits made from strip(s) or ribbon(s) from amorphous ribbons
    • 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
    • H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias
DE88111364T 1987-07-14 1988-07-14 Magnetic core and manufacturing method. Expired - Lifetime DE3884491T2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP17567387 1987-07-14
JP18834587 1987-07-28
JP18834487 1987-07-28
JP173188 1988-01-07

Publications (2)

Publication Number Publication Date
DE3884491D1 DE3884491D1 (en) 1993-11-04
DE3884491T2 true DE3884491T2 (en) 1994-02-17

Family

ID=27453468

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88111364T Expired - Lifetime DE3884491T2 (en) 1987-07-14 1988-07-14 Magnetic core and manufacturing method.

Country Status (5)

Country Link
EP (1) EP0299498B1 (en)
JP (1) JPH0777167B2 (en)
KR (1) KR910002375B1 (en)
CA (1) CA1341105C (en)
DE (1) DE3884491T2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19714977B4 (en) * 1996-04-19 2010-02-11 Hitachi Metals, Ltd. Device with inverter

Families Citing this family (31)

* Cited by examiner, † Cited by third party
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US5443664A (en) * 1988-11-16 1995-08-22 Hitachi Metals, Ltd. Surge current-suppressing circuit and magnetic device therein
DE3911618A1 (en) * 1989-04-08 1990-10-18 Vacuumschmelze Gmbh USE OF A FINE CRYSTALLINE IRON BASE ALLOY AS A MAGNETIC CORE MATERIAL FOR AN INTERFACE TRANSMITTER
DE3911480A1 (en) * 1989-04-08 1990-10-11 Vacuumschmelze Gmbh USE OF A FINE CRYSTALLINE IRON BASE ALLOY AS A MAGNETIC MATERIAL FOR FAULT CURRENT CIRCUIT BREAKERS
DE4108802A1 (en) * 1991-03-18 1992-09-24 Vacuumschmelze Gmbh MEASURING CONVERTER FOR ELECTRONIC ARRANGEMENTS FOR THE FAST DETECTION OF SHORT CIRCUITS
FR2699683B1 (en) * 1992-12-17 1995-01-13 Commissariat Energie Atomique Method for determining the intrinsic magnetic permeability of elongated ferromagnetic elements and the electromagnetic properties of composites using such elements.
JPH07335450A (en) * 1994-06-10 1995-12-22 Hitachi Metals Ltd Compact transformer, inverter circuit, and discharge tube lighting circuit
EP0801443B1 (en) * 1996-04-12 2003-02-19 Vacuumschmelze GmbH Noise-damping arrangement for damping noise currents of electronic devices
JPH11102827A (en) * 1997-09-26 1999-04-13 Hitachi Metals Ltd Saturable reactor core and magnetic amplifier mode high output switching regulator using the same, and computer using the same
FR2772181B1 (en) * 1997-12-04 2000-01-14 Mecagis METHOD FOR MANUFACTURING A NANOCRYSTALLINE SOFT MAGNETIC ALLOY MAGNETIC CORE FOR USE IN A CLASS A DIFFERENTIAL CIRCUIT BREAKER AND MAGNETIC CORE OBTAINED
FR2772182B1 (en) * 1997-12-04 2000-01-14 Mecagis METHOD FOR MANUFACTURING A NANOCRYSTALLINE SOFT MAGNETIC ALLOY MAGNETIC CORE AND USE IN AN AC CLASS DIFFERENTIAL CIRCUIT BREAKER
US6420813B1 (en) * 1998-11-06 2002-07-16 Alliedsignal Inc. Bulk amorphous metal magnetic components for electric motors
DE19908374B4 (en) * 1999-02-26 2004-11-18 Magnequench Gmbh Particle composite material made of a thermoplastic plastic matrix with embedded soft magnetic material, method for producing such a composite body, and its use
DE19926699C2 (en) * 1999-06-11 2003-10-30 Vacuumschmelze Gmbh High-pass branch of a crossover for ADSL systems
KR100370061B1 (en) * 2000-03-22 2003-01-29 엘지전자 주식회사 inductor and method for fabricating the same
DE10045705A1 (en) * 2000-09-15 2002-04-04 Vacuumschmelze Gmbh & Co Kg Magnetic core for a transducer regulator and use of transducer regulators as well as method for producing magnetic cores for transducer regulators
JP2002134329A (en) * 2000-10-24 2002-05-10 Hitachi Metals Ltd Magnetic parts for suppressing common mode lightning surge current of signal link
DE10134056B8 (en) * 2001-07-13 2014-05-28 Vacuumschmelze Gmbh & Co. Kg Process for the production of nanocrystalline magnetic cores and apparatus for carrying out the process
US7541909B2 (en) * 2002-02-08 2009-06-02 Metglas, Inc. Filter circuit having an Fe-based core
DE102004024337A1 (en) 2004-05-17 2005-12-22 Vacuumschmelze Gmbh & Co. Kg Process for producing nanocrystalline current transformer cores, magnetic cores produced by this process, and current transformers with same
DE102005034486A1 (en) 2005-07-20 2007-02-01 Vacuumschmelze Gmbh & Co. Kg Process for the production of a soft magnetic core for generators and generator with such a core
FR2892232B1 (en) * 2005-10-13 2008-02-08 Centre Nat Rech Scient METHOD FOR MANUFACTURING A MAGNETO IMPEDANCE SENSOR
SE529789C8 (en) * 2006-03-10 2007-12-27 Abb Ab Measuring device comprising a layer of a magnetoelastic alloy and method for manufacturing the measuring device
JP2009543370A (en) 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 Method for manufacturing magnetic core, magnetic core and inductive member with magnetic core
JP2007027790A (en) * 2006-09-29 2007-02-01 Toshiba Corp Method of manufacturing magnetic core and method of manufacturing magnetic component
EP1918407B1 (en) 2006-10-30 2008-12-24 Vacuumschmelze GmbH & Co. KG Iron-cobalt based soft magnetic alloy and method for its manufacture
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
JP5267201B2 (en) * 2009-02-23 2013-08-21 日産自動車株式会社 Switching circuit
CN105593382B (en) * 2013-09-27 2017-08-18 日立金属株式会社 The manufacture method of Fe Based Nanocrystalline Alloys and the manufacture method of Fe Based Nanocrystalline Alloys magnetic cores
CN108559906A (en) * 2017-12-11 2018-09-21 安徽宝辰机电设备科技有限公司 A kind of main transformer for conversion welder core material
US20220277882A1 (en) * 2019-08-22 2022-09-01 Mitsubishi Electric Corporation Core cooling structure and power conversion device including the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102212B (en) * 1981-07-20 1984-11-21 Telcon Metals Ltd Magnetic core strctures, devices incorporating them, and magnetic biassing methods
US4558297A (en) * 1982-10-05 1985-12-10 Tdk Corporation Saturable core consisting of a thin strip of amorphous magnetic alloy and a method for manufacturing the same
JPH0611007B2 (en) * 1982-10-05 1994-02-09 ティーディーケイ株式会社 Magnetic core for magnetic switch
JPS61288048A (en) * 1985-06-13 1986-12-18 Hitachi Metals Ltd Fe-base amorphous alloy with low core loss
JPH0727812B2 (en) * 1985-06-25 1995-03-29 日立金属株式会社 Amorphous magnetic core for common mode choke
JP2573606B2 (en) * 1987-06-02 1997-01-22 日立金属 株式会社 Magnetic core and manufacturing method thereof
JP2894561B2 (en) * 1988-05-23 1999-05-24 株式会社東芝 Soft magnetic alloy
JPH0219442A (en) * 1988-07-07 1990-01-23 Nippon Steel Corp High saturated magnetic flux density ferrous alloy having superfine crystalline structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19714977B4 (en) * 1996-04-19 2010-02-11 Hitachi Metals, Ltd. Device with inverter

Also Published As

Publication number Publication date
JPH0777167B2 (en) 1995-08-16
EP0299498B1 (en) 1993-09-29
CA1341105C (en) 2000-10-03
EP0299498A1 (en) 1989-01-18
KR910002375B1 (en) 1991-04-20
DE3884491D1 (en) 1993-11-04
KR890002910A (en) 1989-04-11
JPH0277105A (en) 1990-03-16

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