JPS5416698A - Preparing permanent magnet - Google Patents

Preparing permanent magnet

Info

Publication number
JPS5416698A
JPS5416698A JP9022778A JP9022778A JPS5416698A JP S5416698 A JPS5416698 A JP S5416698A JP 9022778 A JP9022778 A JP 9022778A JP 9022778 A JP9022778 A JP 9022778A JP S5416698 A JPS5416698 A JP S5416698A
Authority
JP
Japan
Prior art keywords
permanent magnet
preparing permanent
preparing
powder
magnetic
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.)
Pending
Application number
JP9022778A
Other languages
Japanese (ja)
Inventor
Ichikazu Kasai
Itaru Okonogi
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP9022778A priority Critical patent/JPS5416698A/en
Publication of JPS5416698A publication Critical patent/JPS5416698A/en
Pending 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
    • H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0552—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer

Abstract

PURPOSE:To promote an improvement of forming property of compressed powder for preparing magnet, as well as to prevent a level down of magnetic characeristic with the powder prevented from superficial exidation, by coating an epoxy resin on surfaces of powdery magnetic unit made of rare earth metal and Co.
JP9022778A 1978-07-24 1978-07-24 Preparing permanent magnet Pending JPS5416698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9022778A JPS5416698A (en) 1978-07-24 1978-07-24 Preparing permanent magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9022778A JPS5416698A (en) 1978-07-24 1978-07-24 Preparing permanent magnet

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP49051468A Division JPS50143705A (en) 1974-05-09 1974-05-09

Publications (1)

Publication Number Publication Date
JPS5416698A true JPS5416698A (en) 1979-02-07

Family

ID=13992587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9022778A Pending JPS5416698A (en) 1978-07-24 1978-07-24 Preparing permanent magnet

Country Status (1)

Country Link
JP (1) JPS5416698A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5688304A (en) * 1979-12-20 1981-07-17 Sumitomo Bakelite Co Ltd Magnet composition of plastics
JPS6376305A (en) * 1986-09-18 1988-04-06 Taiyo Yuden Co Ltd Magnetic powder for plastic magnet or rubber magnet and manufacture thereof
JPH033205A (en) * 1989-05-30 1991-01-09 Seiko Epson Corp Manufacture of resin coupling type magnet
US5173206A (en) * 1987-12-14 1992-12-22 The B. F. Goodrich Company Passivated rare earth magnet or magnetic material compositions
CN105374541A (en) * 2015-07-01 2016-03-02 浙江东阳东磁稀土有限公司 Method for improving sintered neodymium-iron-boron magnet performance

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493196A (en) * 1972-04-26 1974-01-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493196A (en) * 1972-04-26 1974-01-11

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5688304A (en) * 1979-12-20 1981-07-17 Sumitomo Bakelite Co Ltd Magnet composition of plastics
JPS6033285B2 (en) * 1979-12-20 1985-08-02 住友ベークライト株式会社 plastic magnet composition
JPS6376305A (en) * 1986-09-18 1988-04-06 Taiyo Yuden Co Ltd Magnetic powder for plastic magnet or rubber magnet and manufacture thereof
US5173206A (en) * 1987-12-14 1992-12-22 The B. F. Goodrich Company Passivated rare earth magnet or magnetic material compositions
JPH033205A (en) * 1989-05-30 1991-01-09 Seiko Epson Corp Manufacture of resin coupling type magnet
CN105374541A (en) * 2015-07-01 2016-03-02 浙江东阳东磁稀土有限公司 Method for improving sintered neodymium-iron-boron magnet performance

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