Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takashi Hase0
Hiroyuki Kato0
Kyoji Zaitsu0
Date of Patent
July 26, 2011
Patent Application Number
11902471
Date Filed
September 21, 2007
Patent Primary Examiner
Patent abstract
A precursor for fabricating a Nb3Sn superconducting wire by an internal Sn process includes one or a plurality of stabilizing copper portions collectively disposed in the center, each stabilizing copper portion being provided with a diffusion barrier layer in the periphery thereof, and a superconducting matrix portion disposed so as to surround the one or the plurality of stabilizing copper portions, the superconducting matrix portion including a Nb or Nb-based alloy core and a Sn or Sn-based alloy core embedded in a Cu or Cu-based alloy matrix.
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