(19)
(11) EP 0 320 083 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.05.1990 Bulletin 1990/20

(43) Date of publication A2:
14.06.1989 Bulletin 1989/24

(21) Application number: 88306287.9

(22) Date of filing: 08.07.1988
(51) International Patent Classification (IPC)4: H01L 39/24, B03C 1/02
(84) Designated Contracting States:
CH DE FR GB LI NL

(30) Priority: 09.12.1987 JP 309473/87
29.03.1988 JP 73363/87
06.04.1988 JP 83025/87
06.04.1988 JP 83026/87

(60) Divisional application:
93203438.2 / 0588450
93203439.0 / 0588451
93203440.8 / 0588452

(71) Applicant: CANON KABUSHIKI KAISHA
Tokyo (JP)

(72) Inventors:
  • Kishi, Fumio
    Atsugi-shi Kanagawa-ken (JP)
  • Akaike, Masatake
    Atsugi-shi Kanagawa-ken (JP)
  • Yamamoto, Keisuke
    Atsugi-shi Kanagawa-ken (JP)
  • Motoi, Taiko
    Sagamihara-shi Kanagawa-ken (JP)
  • Kaneko, Norio
    Atsugi-shi Kanagawa-ken (JP)
  • Iwatate, Fujio
    Setagaya-ku, Tokyo (JP)
  • Ohmi, Kazuaki
    Yokohama-shi, Knanagawa-ken (JP)
  • Kawasaki, Takehiko
    Atsugi-shi, Kanagawa-ken (JP)
  • Shinjou, Atsuko
    4-chome, Isehara-shi, Kanagawa-ken (JP)

(74) Representative: Beresford, Keith Denis Lewis et al
BERESFORD & Co. 2-5 Warwick Court High Holborn
London WC1R 5DJ
London WC1R 5DJ (GB)


(56) References cited: : 
   
       


    (54) Purification apparatus for superconductor fine particles


    (57) A purification apparatus for superconductor fine particles is provided which comprises a means for forming a flow of powder containing the superconductor fine particles, and a means for applying a magnetic (5a, 5b) field to the flow of the powder.







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