(19)
(11) EP 0 350 967 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
02.01.1991 Bulletin 1991/01

(43) Date of publication A2:
17.01.1990 Bulletin 1990/03

(21) Application number: 89113061.9

(22) Date of filing: 17.07.1989
(51) International Patent Classification (IPC)5: H01F 1/053, H01F 41/02
(84) Designated Contracting States:
DE FR

(30) Priority: 15.07.1988 JP 177809/88

(71) Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Kadoma-shi, Osaka-fu, 571 (JP)

(72) Inventors:
  • Yamashita, Fumitoshi
    Ikoma-shi Nara-ken (JP)
  • Wada, Masami
    Hirakata-shi Osaka-fu (JP)

(74) Representative: Eisenführ, Speiser & Partner 
Martinistrasse 24
28195 Bremen
28195 Bremen (DE)


(56) References cited: : 
   
       


    (54) Resin-bonded magnet and its production


    (57) A resin bonded magnet which comprises a resinous binder and ferromagnetic alloy particles of the formula: Fe100-x-y-zCoxRyBz (wherein R is at least one of Nd and Pr, x is an atomic % of not less than 15 and not more than 30, y is an atomic % of not less than 10 and not more than 13 and z is an atomic % of not less than 5 and not more than 8) uni­formly dispersed therein.







    Search report