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Title:
OXIDE SUPERCONDUCTIVE BULK MAGNET
Document Type and Number:
WIPO Patent Application WO/2015/133537
Kind Code:
A1
Abstract:
 The present invention provides an oxide superconductive bulk magnet able to generate a strong magnetic field without breaking while being magnetized under a strong magnetic field of 5T or greater, even if the oxide superconductive bulk magnet is large with a diameter of 50 mm or greater. The oxide superconductive bulk magnet is provided with a superconductive bulk in which an RE2BaCuO5 phase is dispersed in a REBa2Cu3O7-x phase, the oxide superconductive bulk magnet being provided with a structure having a center core provided with a reinforcing material in the outer circumference portion thereof, one or more ring-shaped oxide superconductive bulk magnets provided with a reinforcing material in the outer circumference portion thereof being arranged in a nested fashion about the center core portion. RE: rare earth elements or a combination thereof; x: oxygen deficiency amount; 0 < x ≤ 0.2

Inventors:
MORITA, Mitsuru (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
Application Number:
JP2015/056402
Publication Date:
September 11, 2015
Filing Date:
March 04, 2015
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
International Classes:
H01F6/00; H01B12/00
Domestic Patent References:
WO2011071071A12011-06-16
WO2014189043A12014-11-27
Foreign References:
JP2011138823A2011-07-14
Other References:
See also references of EP 3115998A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (SEIWA PATENT & LAW, Toranomon 37 Mori Bldg. 5-1, Toranomon 3-chome, Minato-k, Tokyo 23, 〒1058423, JP)
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