JPS57199205A - Cylindrical permanent magnet and manufacture thereof - Google Patents

Cylindrical permanent magnet and manufacture thereof

Info

Publication number
JPS57199205A
JPS57199205A JP56084431A JP8443181A JPS57199205A JP S57199205 A JPS57199205 A JP S57199205A JP 56084431 A JP56084431 A JP 56084431A JP 8443181 A JP8443181 A JP 8443181A JP S57199205 A JPS57199205 A JP S57199205A
Authority
JP
Japan
Prior art keywords
magnet
poles
denotes
cylindrical part
magnetized
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.)
Granted
Application number
JP56084431A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0340487B2 (enrdf_load_stackoverflow
Inventor
Motoharu Shimizu
Tokuyuki Noda
Yoshihiro Noguchi
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 JP56084431A priority Critical patent/JPS57199205A/ja
Publication of JPS57199205A publication Critical patent/JPS57199205A/ja
Publication of JPH0340487B2 publication Critical patent/JPH0340487B2/ja
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
JP56084431A 1981-06-03 1981-06-03 Cylindrical permanent magnet and manufacture thereof Granted JPS57199205A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56084431A JPS57199205A (en) 1981-06-03 1981-06-03 Cylindrical permanent magnet and manufacture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56084431A JPS57199205A (en) 1981-06-03 1981-06-03 Cylindrical permanent magnet and manufacture thereof

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP6809188A Division JPH01144354A (ja) 1988-03-24 1988-03-24 ステッピングモーター用ロータ

Publications (2)

Publication Number Publication Date
JPS57199205A true JPS57199205A (en) 1982-12-07
JPH0340487B2 JPH0340487B2 (enrdf_load_stackoverflow) 1991-06-19

Family

ID=13830390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56084431A Granted JPS57199205A (en) 1981-06-03 1981-06-03 Cylindrical permanent magnet and manufacture thereof

Country Status (1)

Country Link
JP (1) JPS57199205A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59224103A (ja) * 1983-06-03 1984-12-17 Tohoku Metal Ind Ltd 円筒状永久磁石
JPS60108184U (ja) * 1983-12-24 1985-07-23 ティーディーケイ株式会社 円筒状フエライト磁石
US4600555A (en) * 1983-05-20 1986-07-15 Hitachi Metals, Ltd. Method of producing a cylindrical permanent magnet
WO1986006207A1 (en) * 1985-04-12 1986-10-23 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Multipolar magnet
JPS6377361A (ja) * 1986-09-19 1988-04-07 Hitachi Ltd 永久磁石形回転子
JPH01144354A (ja) * 1988-03-24 1989-06-06 Hitachi Metals Ltd ステッピングモーター用ロータ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143008U (enrdf_load_stackoverflow) * 1977-04-18 1978-11-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143008U (enrdf_load_stackoverflow) * 1977-04-18 1978-11-11

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4600555A (en) * 1983-05-20 1986-07-15 Hitachi Metals, Ltd. Method of producing a cylindrical permanent magnet
JPS59224103A (ja) * 1983-06-03 1984-12-17 Tohoku Metal Ind Ltd 円筒状永久磁石
JPS60108184U (ja) * 1983-12-24 1985-07-23 ティーディーケイ株式会社 円筒状フエライト磁石
WO1986006207A1 (en) * 1985-04-12 1986-10-23 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Multipolar magnet
JPS6377361A (ja) * 1986-09-19 1988-04-07 Hitachi Ltd 永久磁石形回転子
JPH01144354A (ja) * 1988-03-24 1989-06-06 Hitachi Metals Ltd ステッピングモーター用ロータ

Also Published As

Publication number Publication date
JPH0340487B2 (enrdf_load_stackoverflow) 1991-06-19

Similar Documents

Publication Publication Date Title
JPS5250598A (en) Rare earth-cobalt magnet
JPS56115166A (en) Coreless motor and manufacture of coil thereof
JPS57199205A (en) Cylindrical permanent magnet and manufacture thereof
JPS525496A (en) Ferromagnetic grit manufacturing process
GB2057194A (en) A method of producing a permanent anisotropic magnet
JPS642300A (en) Electron storage ring
JPS5217694A (en) Magnet made of sintered oxide
JPS5696447A (en) Electron lens
JPS57165761A (en) Transducer for electro-magnetic ultrasonic wave
JPS56129780A (en) Oscillatory type compressor
JPS5759465A (en) Dc electric nachine
JPS5634298A (en) Magnetic circuit for speaker
JPS5296923A (en) Permanent magnet alloy
JPS5299764A (en) Magnetic field type electron lens
JPS56113825A (en) Magnetic bearing
JPS5583446A (en) Magnet rotor
JPS5240027A (en) High-speed printing equipment
JPS6448405A (en) Manufacture of rare earth-iron-boron magnet
JPS5427998A (en) Magnet device
JPS5646655A (en) Permanent magnet rotor
JPS5236514A (en) Permanent magnetic alloy and its production
JPS5240026A (en) High-speed printing equipment
JPS5726714A (en) Magnetic circuit for recorder
JPS51133798A (en) Oxide permanent magnet
JPS5411411A (en) Magnetic circuit