(19)
(11) EP 0 890 661 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
08.10.2003 Bulletin 2003/41

(45) Mention of the grant of the patent:
02.04.2003 Bulletin 2003/14

(21) Application number: 98112284.9

(22) Date of filing: 02.07.1998
(51) International Patent Classification (IPC)7C30B 9/00, C30B 11/00, C30B 29/22

(54)

Method of preparing oxide superconducting bulk body

Verfahren zur Herstellung einer supraleitender Oxidkörper

Procédé pour la préparation d'un corps massif supraconducteur


(84) Designated Contracting States:
DE FR GB

(30) Priority: 04.07.1997 JP 17933197

(43) Date of publication of application:
13.01.1999 Bulletin 1999/02

(73) Proprietors:
  • SUMITOMO ELECTRIC INDUSTRIES, LTD
    Osaka-shi, Osaka-fu 541 (JP)
  • INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER
    Tokyo (JP)

(72) Inventors:
  • Hayashi, Noriki
    1-3, Shimaya 1-chome, Konohana-ku, Osaka (JP)
  • Murakami, Masato
    Koto-ku, Tokyo (JP)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)


(56) References cited: : 
EP-A- 0 486 698
US-A- 5 611 854
WO-A-96/21934
   
  • SAWANO ET AL.: "High Magnetic Flux Trapping by Melt-Grown YBaCuO superconductors" JAPANESE JOURNAL OF APPLIED PHYSICS., vol. 30, no. 7a, July 1991, pages l1157-l1159, XP000223284 TOKYO JP
  • OGAWA ET AL.: "Preparation of YBCO bulk superconductor by platinum doped melt growth method" SUPERCONDUCTOR SCIENCE AND TECHNOLOGY., vol. 5, no. 1s, January 1992, pages s89-92, XP000247989 BRISTOL GB
  • PATENT ABSTRACTS OF JAPAN vol. 96, no. 9, 30 September 1996 & JP 08 133726 A (NIPPON STEEL CORP.), 28 May 1996
  • TAKAGI ET AL: "Preparation of melt textured NdBa2Cu3Oy bulk with Nd4Ba2Cu2O10 bulk with Nd4Ba2Cu2O10" PHYSICA C., vol. 250, 1995, pages 222-226, XP004065785 AMSTERDAM NL
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).