(19)
(11) EP 0 317 999 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.10.1989 Bulletin 1989/42

(43) Date of publication A2:
31.05.1989 Bulletin 1989/22

(21) Application number: 88119584.6

(22) Date of filing: 24.11.1988
(51) International Patent Classification (IPC)4: H01J 29/82, H01J 29/76
(84) Designated Contracting States:
BE DE FR GB NL SE

(30) Priority: 25.11.1987 JP 179406/87

(71) Applicant: KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA
Kita-ku Osaka-shi Osaka-fu 530 (JP)

(72) Inventors:
  • Yamasaki, Hiroka
    Kobe-shi Hyogo (JP)
  • Sakauchi, Takashi
    Otsu-shi Shiga (JP)

(74) Representative: VOSSIUS & PARTNER 
Postfach 86 07 67
81634 München
81634 München (DE)


(56) References cited: : 
   
       


    (54) Ferrite sheet for correcting magnetic field produced by deflection yoke


    (57) A ferrite sheet used to finely adjust the magnetic field which is produced and controlled by the deflection yoke of a cathode-ray tube. The sheet is simply bonded to an appropriate portion of the surface of the yoke via pressure sensitive adhesive. The layer of the adhesive which is formed on one surface of the sheet contains substantially no solvent.







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