HK98693A - Method of making a permanent magnet - Google Patents

Method of making a permanent magnet

Info

Publication number
HK98693A
HK98693A HK98693A HK98693A HK98693A HK 98693 A HK98693 A HK 98693A HK 98693 A HK98693 A HK 98693A HK 98693 A HK98693 A HK 98693A HK 98693 A HK98693 A HK 98693A
Authority
HK
Hong Kong
Prior art keywords
making
permanent magnet
permanent
magnet
Prior art date
Application number
HK98693A
Inventor
Koji Akioka
Osamu Kobayashi
Tatsuya Shimoda
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of HK98693A publication Critical patent/HK98693A/en

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
    • H01F1/0576—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 pressed, e.g. hot working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
HK98693A 1987-06-18 1993-09-23 Method of making a permanent magnet HK98693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8714269A GB2206241B (en) 1987-06-18 1987-06-18 Method of making a permanent magnet

Publications (1)

Publication Number Publication Date
HK98693A true HK98693A (en) 1993-09-30

Family

ID=10619129

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98693A HK98693A (en) 1987-06-18 1993-09-23 Method of making a permanent magnet

Country Status (2)

Country Link
GB (1) GB2206241B (en)
HK (1) HK98693A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
IE891581A1 (en) * 1988-06-20 1991-01-02 Seiko Epson Corp Permanent magnet and a manufacturing method thereof
JP3033127B2 (en) * 1990-05-16 2000-04-17 大同特殊鋼株式会社 Rare earth magnet alloy with good hot workability
WO1992020081A1 (en) * 1991-04-25 1992-11-12 Seiko Epson Corporation Method of producing a rare earth permanent magnet

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475961A (en) * 1980-01-30 1984-10-09 At&T Bell Laboratories High remanence iron-manganese alloys for magnetically actuated devices
JPS58182207A (en) * 1982-04-19 1983-10-25 Matsushita Electric Ind Co Ltd Preparation of manganese-aluminum-carbon alloy magnet
US4579607A (en) * 1982-04-19 1986-04-01 Matsushita Electric Industrial Company, Limited Permanent Mn-Al-C alloy magnets and method for making same

Also Published As

Publication number Publication date
GB2206241A (en) 1988-12-29
GB8714269D0 (en) 1987-07-22
GB2206241B (en) 1990-08-15

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20070617