JPH0158747B2 - - Google Patents

Info

Publication number
JPH0158747B2
JPH0158747B2 JP58088962A JP8896283A JPH0158747B2 JP H0158747 B2 JPH0158747 B2 JP H0158747B2 JP 58088962 A JP58088962 A JP 58088962A JP 8896283 A JP8896283 A JP 8896283A JP H0158747 B2 JPH0158747 B2 JP H0158747B2
Authority
JP
Japan
Prior art keywords
magnetic field
permanent magnet
ferromagnetic powder
magnetic
cylindrical permanent
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
JP58088962A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59216453A (ja
Inventor
Motoharu Shimizu
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
Priority to JP58088962A priority Critical patent/JPS59216453A/ja
Priority to DE8484105452T priority patent/DE3465820D1/de
Priority to EP84105452A priority patent/EP0129052B1/en
Priority to US06/610,499 priority patent/US4600555A/en
Priority to KR1019840002728A priority patent/KR890002536B1/ko
Publication of JPS59216453A publication Critical patent/JPS59216453A/ja
Publication of JPH0158747B2 publication Critical patent/JPH0158747B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
    • 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
    • H01F41/0253—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 for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
    • H01F41/028—Radial anisotropy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
    • C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/003—Methods and devices for magnetising permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
JP58088962A 1983-05-20 1983-05-20 円筒状永久磁石の製造方法 Granted JPS59216453A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58088962A JPS59216453A (ja) 1983-05-20 1983-05-20 円筒状永久磁石の製造方法
DE8484105452T DE3465820D1 (en) 1983-05-20 1984-05-14 Method of producing cylindrical permanent magnet
EP84105452A EP0129052B1 (en) 1983-05-20 1984-05-14 Method of producing cylindrical permanent magnet
US06/610,499 US4600555A (en) 1983-05-20 1984-05-15 Method of producing a cylindrical permanent magnet
KR1019840002728A KR890002536B1 (ko) 1983-05-20 1984-05-18 원통형 영구자석 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58088962A JPS59216453A (ja) 1983-05-20 1983-05-20 円筒状永久磁石の製造方法

Publications (2)

Publication Number Publication Date
JPS59216453A JPS59216453A (ja) 1984-12-06
JPH0158747B2 true JPH0158747B2 (US20070244113A1-20071018-C00169.png) 1989-12-13

Family

ID=13957451

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58088962A Granted JPS59216453A (ja) 1983-05-20 1983-05-20 円筒状永久磁石の製造方法

Country Status (5)

Country Link
US (1) US4600555A (US20070244113A1-20071018-C00169.png)
EP (1) EP0129052B1 (US20070244113A1-20071018-C00169.png)
JP (1) JPS59216453A (US20070244113A1-20071018-C00169.png)
KR (1) KR890002536B1 (US20070244113A1-20071018-C00169.png)
DE (1) DE3465820D1 (US20070244113A1-20071018-C00169.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0317250U (US20070244113A1-20071018-C00169.png) * 1989-06-30 1991-02-20

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684406A (en) * 1983-05-21 1987-08-04 Sumitomo Special Metals Co., Ltd. Permanent magnet materials
JPS601820A (ja) * 1983-06-17 1985-01-08 Tohoku Metal Ind Ltd 円筒状永久磁石の製造方法
US4678634A (en) * 1985-04-18 1987-07-07 Shin-Etsu Chemical Co., Ltd. Method for the preparation of an anisotropic sintered permanent magnet
JPS61241905A (ja) * 1985-04-18 1986-10-28 Shin Etsu Chem Co Ltd 異方性永久磁石の製造方法
JPS62224916A (ja) * 1986-03-27 1987-10-02 Seiko Epson Corp 希土類磁石の製造方法
JPH0343708Y2 (US20070244113A1-20071018-C00169.png) * 1986-03-29 1991-09-12
JPS62252119A (ja) * 1986-04-24 1987-11-02 Seiko Epson Corp ラジアル異方性磁石の製造方法
JPH0785458B2 (ja) * 1986-05-09 1995-09-13 セイコーエプソン株式会社 希土類磁石の製造方法
GB2196479B (en) * 1986-10-20 1990-03-28 Philips Electronic Associated Method and apparatus for the manufacture of rare earth transition metal alloy magnets
JPH0828293B2 (ja) * 1987-04-07 1996-03-21 日立金属株式会社 円筒状永久磁石、それを用いたモータ及びその製造方法
JPH02139908A (ja) * 1988-11-18 1990-05-29 Shin Etsu Chem Co Ltd 極異方性希土類磁石の製造方法
JPH02139907A (ja) * 1988-11-18 1990-05-29 Shin Etsu Chem Co Ltd 極異方性希土類磁石の製造方法
JPH02178011A (ja) * 1988-12-29 1990-07-11 Seikosha Co Ltd ドーナツ型永久磁石の製造方法とこの方法によって製造したドーナツ型永久磁石およびドーナツ型永久磁石の成形金型
EP0393815B1 (en) * 1989-04-15 1994-05-18 Fuji Electrochemical Co.Ltd. Method for packing permanent magnet powder
JP2819748B2 (ja) * 1990-03-23 1998-11-05 大同特殊鋼株式会社 薄肉長尺リング状磁石成形体の成形方法
US5464576A (en) * 1991-04-30 1995-11-07 Matsushita Electric Industrial Co., Ltd. Method of making isotropic bonded magnet
JP2756471B2 (ja) * 1993-03-12 1998-05-25 セイコーインスツルメンツ株式会社 ラジアル配向磁石の製造方法およびラジアル配向磁石
CA2572786A1 (en) * 1997-04-04 1998-10-15 University Of Southern California Method for electrochemical fabrication including etching to remove flash
US6612826B1 (en) * 1997-10-15 2003-09-02 Iap Research, Inc. System for consolidating powders
US6157099A (en) 1999-01-15 2000-12-05 Quantum Corporation Specially oriented material and magnetization of permanent magnets
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
AU2002360464A1 (en) 2001-12-03 2003-06-17 Memgen Corporation Miniature rf and microwave components and methods for fabricating such components
US9614266B2 (en) 2001-12-03 2017-04-04 Microfabrica Inc. Miniature RF and microwave components and methods for fabricating such components
WO2003086687A1 (fr) * 2002-04-12 2003-10-23 Sumitomo Special Metals Co., Ltd. Procede permettant de mouler a la presse de la poudre d'alliage de terre rare, et procede pour produire un objet fritte en alliage de terre rare
TWI298892B (en) * 2002-08-29 2008-07-11 Shinetsu Chemical Co Radial anisotropic ring magnet and method of manufacturing the ring magnet
US10416192B2 (en) 2003-02-04 2019-09-17 Microfabrica Inc. Cantilever microprobes for contacting electronic components
US8613846B2 (en) * 2003-02-04 2013-12-24 Microfabrica Inc. Multi-layer, multi-material fabrication methods for producing micro-scale and millimeter-scale devices with enhanced electrical and/or mechanical properties
TWI297045B (en) * 2003-05-07 2008-05-21 Microfabrica Inc Methods and apparatus for forming multi-layer structures using adhered masks
US10297421B1 (en) 2003-05-07 2019-05-21 Microfabrica Inc. Plasma etching of dielectric sacrificial material from reentrant multi-layer metal structures
US9671429B2 (en) 2003-05-07 2017-06-06 University Of Southern California Multi-layer, multi-material micro-scale and millimeter-scale devices with enhanced electrical and/or mechanical properties
US10641792B2 (en) 2003-12-31 2020-05-05 University Of Southern California Multi-layer, multi-material micro-scale and millimeter-scale devices with enhanced electrical and/or mechanical properties
EP1561608B1 (en) * 2004-02-06 2008-07-02 C.R.F. Società Consortile per Azioni Pressure sensing device for rotatable parts and pressure detection method therefor
US20080093906A1 (en) * 2005-04-22 2008-04-24 Faurecia Sieges D'automobile Method of Manufacturing a Motor Vehicle Seat, and a Seat Manufactured by Implementing the Method
US8013696B2 (en) * 2008-10-14 2011-09-06 Nexteer (Beijing) Technology Co., Ltd. Magnetic apparatus and method of manufacturing the magnetic apparatus
JP5904124B2 (ja) 2010-12-28 2016-04-13 日立金属株式会社 極異方性配向を有する円弧状磁石、その製造方法、及びそれを製造するための金型
CN102760544B (zh) * 2012-07-06 2015-03-25 东阳市中元磁业有限公司 高压脉冲群瞬时磁场辅助系统
DE102015012412A1 (de) 2015-09-25 2017-03-30 Wilo Se Vorrichtung und Verfahren zur Herstellung ringförmiger Permanentmagnete
CN105469930A (zh) * 2015-12-17 2016-04-06 中磁科技股份有限公司 磁材压机充退磁系统
US11262383B1 (en) 2018-09-26 2022-03-01 Microfabrica Inc. Probes having improved mechanical and/or electrical properties for making contact between electronic circuit elements and methods for making
CN110165847B (zh) * 2019-06-11 2021-01-26 深圳市瑞达美磁业有限公司 不同宽度波形的径向各向异性多极实心磁体的生产方法
CN111483034B (zh) * 2020-05-25 2021-08-20 南通华兴磁性材料有限公司 扁平超薄型锰锌铁氧体磁芯成型方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114715A (en) * 1961-06-28 1963-12-17 Philips Corp Method of manufacturing an anisotropic ferromagnetic body
GB1230815A (US20070244113A1-20071018-C00169.png) * 1967-06-13 1971-05-05
US4057606A (en) * 1972-07-14 1977-11-08 Fuji Electrochemical Co., Ltd. Method of producing anisotropic ferrite magnet
US4327346A (en) * 1979-02-28 1982-04-27 Tdk Electronics Co., Ltd. Anisotropic polymeric magnet in the tubular form and process for producing the same
JPS5815929B2 (ja) * 1979-11-24 1983-03-28 ティーディーケイ株式会社 径方向着磁永久磁石の製造方法
JPS5737803A (en) * 1980-08-18 1982-03-02 Matsushita Electric Ind Co Ltd Manufacture of anisotropic magnet
JPS57128909A (en) * 1981-02-03 1982-08-10 Tohoku Metal Ind Ltd Manufacture of permanent magnet having a plurality of radial magnetic dipoles
JPS57130407A (en) * 1981-02-06 1982-08-12 Daido Steel Co Ltd Cylindrical anisotropic resin magnet
JPS57199205A (en) * 1981-06-03 1982-12-07 Hitachi Metals Ltd Cylindrical permanent magnet and manufacture thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0317250U (US20070244113A1-20071018-C00169.png) * 1989-06-30 1991-02-20

Also Published As

Publication number Publication date
JPS59216453A (ja) 1984-12-06
EP0129052B1 (en) 1987-09-02
KR850000141A (ko) 1985-02-25
DE3465820D1 (en) 1987-10-08
KR890002536B1 (ko) 1989-07-13
EP0129052A1 (en) 1984-12-27
US4600555A (en) 1986-07-15

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