GB2057194B - Method of producing a permanent anisotropic magnet - Google Patents

Method of producing a permanent anisotropic magnet

Info

Publication number
GB2057194B
GB2057194B GB8025362A GB8025362A GB2057194B GB 2057194 B GB2057194 B GB 2057194B GB 8025362 A GB8025362 A GB 8025362A GB 8025362 A GB8025362 A GB 8025362A GB 2057194 B GB2057194 B GB 2057194B
Authority
GB
United Kingdom
Prior art keywords
producing
anisotropic magnet
permanent
permanent anisotropic
magnet
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
GB8025362A
Other versions
GB2057194A (en
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.)
Statni Vyzkumny Ustav Materialu
Original Assignee
Statni Vyzkumny Ustav Materialu
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 Statni Vyzkumny Ustav Materialu filed Critical Statni Vyzkumny Ustav Materialu
Publication of GB2057194A publication Critical patent/GB2057194A/en
Application granted granted Critical
Publication of GB2057194B publication Critical patent/GB2057194B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/021—Construction of PM
    • 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
    • H01F41/0286—Trimming

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
GB8025362A 1979-08-03 1980-08-04 Method of producing a permanent anisotropic magnet Expired GB2057194B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS537679A CS213750B1 (en) 1979-08-03 1979-08-03 Method of making the anizotropic permanent magnets

Publications (2)

Publication Number Publication Date
GB2057194A GB2057194A (en) 1981-03-25
GB2057194B true GB2057194B (en) 1983-09-14

Family

ID=5398545

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8025362A Expired GB2057194B (en) 1979-08-03 1980-08-04 Method of producing a permanent anisotropic magnet

Country Status (5)

Country Link
JP (1) JPS5654015A (en)
CS (1) CS213750B1 (en)
DE (1) DE3029380A1 (en)
FR (1) FR2463494B1 (en)
GB (1) GB2057194B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS213709B1 (en) * 1979-03-13 1982-04-09 Vaclav Landa Anizotropous permanent magnets
JPS60214517A (en) * 1984-04-10 1985-10-26 Nissin Electric Co Ltd Manufacture of ring permanent magnet magnetized in radial direction
US4538130A (en) * 1984-04-23 1985-08-27 Field Effects, Inc. Tunable segmented ring magnet and method of manufacture
CA1244322A (en) * 1984-09-14 1988-11-08 Robert W. Lee Hot pressed permanent magnet having high and low coercivity regions
US4710239A (en) * 1984-09-14 1987-12-01 General Motors Corporation Hot pressed permanent magnet having high and low coercivity regions
JPS6424803U (en) * 1987-08-06 1989-02-10
EP0393815B1 (en) * 1989-04-15 1994-05-18 Fuji Electrochemical Co.Ltd. Method for packing permanent magnet powder
GB2311891A (en) * 1996-04-04 1997-10-08 Analytical Precision Ltd A method of forming a magnetic body, e.g. for a mass spectrometer
DE19736295C1 (en) * 1997-08-21 1999-06-02 Freudenberg Carl Fa Magnetic system, comprising one or more permanent magnets attached to a carrier body
GB2380309B (en) * 2001-08-20 2005-04-06 Richard Wolfe Magnetic device for reduction of electromagnetic interference (EMI) in audio circuitry
JP2003197419A (en) * 2001-12-27 2003-07-11 Techno Takatsuki Co Ltd Polar anisotropic magnet

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE440964A (en) * 1939-10-05
FR1182885A (en) * 1956-09-19 1959-06-30 Philips Nv Permanent magnet comprising on either side of a given line magnetic poles of opposite polarity
GB842531A (en) * 1958-12-24 1960-07-27 Mullard Ltd Permanent magnets
US3334254A (en) * 1965-06-03 1967-08-01 Garrett Corp Dynamoelectric machine
US3768054A (en) * 1972-04-03 1973-10-23 Gen Electric Low flux leakage magnet construction
US4185262A (en) * 1977-08-01 1980-01-22 Matsushita Electric Industrial Co., Ltd. Magnet device
JPS6028377B2 (en) * 1979-02-08 1985-07-04 松下電器産業株式会社 Manufacturing method for rolled magnets

Also Published As

Publication number Publication date
FR2463494A1 (en) 1981-02-20
DE3029380C2 (en) 1989-04-13
DE3029380A1 (en) 1981-03-26
GB2057194A (en) 1981-03-25
JPS5654015A (en) 1981-05-13
CS213750B1 (en) 1982-04-09
FR2463494B1 (en) 1987-01-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920804