EP0441616A3 - Anisotropic neodymium-iron-boron system plastic bonded magnet - Google Patents

Anisotropic neodymium-iron-boron system plastic bonded magnet Download PDF

Info

Publication number
EP0441616A3
EP0441616A3 EP19910300981 EP91300981A EP0441616A3 EP 0441616 A3 EP0441616 A3 EP 0441616A3 EP 19910300981 EP19910300981 EP 19910300981 EP 91300981 A EP91300981 A EP 91300981A EP 0441616 A3 EP0441616 A3 EP 0441616A3
Authority
EP
European Patent Office
Prior art keywords
iron
bonded magnet
plastic bonded
boron system
system plastic
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
EP19910300981
Other versions
EP0441616A2 (en
EP0441616B1 (en
Inventor
Shizuo Furuyama
Kiyoshi Kojima
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from JP2030844A external-priority patent/JPH03234002A/en
Priority claimed from JP2215366A external-priority patent/JP2990759B2/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP0441616A2 publication Critical patent/EP0441616A2/en
Publication of EP0441616A3 publication Critical patent/EP0441616A3/en
Application granted granted Critical
Publication of EP0441616B1 publication Critical patent/EP0441616B1/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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0578—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together bonded together

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
EP19910300981 1990-02-09 1991-02-06 Anisotropic plastic bonded magnet of the Nd-Fe-B-type and method for making same Expired - Lifetime EP0441616B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2030844A JPH03234002A (en) 1990-02-09 1990-02-09 Neodymium-iron-boron plastic magnet and its manufacture
JP30844/90 1990-02-09
JP215366/90 1990-08-14
JP2215366A JP2990759B2 (en) 1990-08-14 1990-08-14 Method for producing neodymium-iron-boron plastic magnet

Publications (3)

Publication Number Publication Date
EP0441616A2 EP0441616A2 (en) 1991-08-14
EP0441616A3 true EP0441616A3 (en) 1992-05-20
EP0441616B1 EP0441616B1 (en) 1994-11-02

Family

ID=26369268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910300981 Expired - Lifetime EP0441616B1 (en) 1990-02-09 1991-02-06 Anisotropic plastic bonded magnet of the Nd-Fe-B-type and method for making same

Country Status (2)

Country Link
EP (1) EP0441616B1 (en)
DE (1) DE69104858T2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19902679C1 (en) * 1999-01-23 2000-11-16 Harman Audio Electronic Sys speaker
DE102006002875B4 (en) * 2006-01-19 2009-10-22 Beyer Dynamic Gmbh & Co. Kg Transducer magnet system
FR3052602B1 (en) 2016-06-13 2020-09-18 Gulplug ELECTRICAL CONNECTION SYSTEM

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155082A2 (en) * 1984-03-08 1985-09-18 General Motors Corporation Epoxy resin bonded rare earth-iron magnets
EP0281295A2 (en) * 1987-03-03 1988-09-07 Imperial Chemical Industries Plc Process and composition for producing bonded magnet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155082A2 (en) * 1984-03-08 1985-09-18 General Motors Corporation Epoxy resin bonded rare earth-iron magnets
EP0281295A2 (en) * 1987-03-03 1988-09-07 Imperial Chemical Industries Plc Process and composition for producing bonded magnet

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 235 (E-766)(3583) 30 May 1989 & JP-1 041 201 ( TDK CORP. ) 13 February 1989 *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 581 (E-865)(3929) 21 December 1989 & JP-1 245 502 ( SEIKO EPSON CORP. ) 29 September 1989 *

Also Published As

Publication number Publication date
DE69104858T2 (en) 1995-05-24
DE69104858D1 (en) 1994-12-08
EP0441616A2 (en) 1991-08-14
EP0441616B1 (en) 1994-11-02

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