发明申请
US20140221215A1 PRECURSOR FOR A NB3SN SUPERCONDUCTOR WIRE, METHOD FOR MANUFACTURING THE SAME, NB3SN SUPERCONDUCTOR WIRE, AND SUPERCONDUCTING MAGNET SYSTEM
审中-公开
NB3SN超导体线的前置器，其制造方法，NB3SN超导体线及超导磁体系统
- 专利标题： PRECURSOR FOR A NB3SN SUPERCONDUCTOR WIRE, METHOD FOR MANUFACTURING THE SAME, NB3SN SUPERCONDUCTOR WIRE, AND SUPERCONDUCTING MAGNET SYSTEM
- 专利标题（中）： NB3SN超导体线的前置器，其制造方法，NB3SN超导体线及超导磁体系统
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申请号： US14021960申请日： 2013-09-09
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公开(公告)号： US20140221215A1公开(公告)日： 2014-08-07
- 发明人: Yoshihide Wadayama , Katsumi Ohata , Kazuhiko Nakagawa , Morio Kimura
- 申请人： Yoshihide Wadayama , Katsumi Ohata , Kazuhiko Nakagawa , Morio Kimura
- 申请人地址： JP Tsuchiura
- 专利权人： SH Copper Products Co., Ltd.
- 当前专利权人： SH Copper Products Co., Ltd.
- 当前专利权人地址： JP Tsuchiura
- 优先权： JP2010-277878 20101214
- 主分类号： H01B12/10
- IPC分类号： H01B12/10 ; H01F6/06
摘要：
A precursor for a Nb3Sn superconductor wire to be manufactured by the internal diffusion method, includes a plurality of Nb-based single core wires, each of which includes a Nb-based core coated with a Cu-based coating including a Cu-based matrix, a plurality of Sn-based single core wires, each of which includes a Sn-based core coated with a Cu-based coating including a Cu-based matrix; and a cylindrical diffusion barrier including Ta or Nb, in which the plurality of Nb-based single core wires and the plurality of Sn-based single core wires are regularly disposed, wherein the plurality of Nb-based single core wires include Nb-based single core wires having a Cu/Nb ratio of 0.4 or more, wherein the Cu/Nb ratio is a cross sectional area ratio of the Cu-based coating to the Nb-based core.
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