发明申请
- 专利标题： Precursor of MgB2 Superconducting Wire, and Method for Producing the Same
- 专利标题（中）： MgB2超导线前体及其制备方法
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申请号： US13748027申请日： 2013-01-23
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公开(公告)号： US20140024533A1公开(公告)日： 2014-01-23
- 发明人: Motomune KODAMA , Kazuhide TANAKA , Junichi SHIMOYAMA , Akiyasu YAMAMOTO
- 申请人： The University of Tokyo , Hitachi, Ltd.
- 申请人地址： JP Tokyo JP Tokyo
- 专利权人： HITACHI, LTD.,THE UNIVERSITY OF TOKYO
- 当前专利权人： HITACHI, LTD.,THE UNIVERSITY OF TOKYO
- 当前专利权人地址： JP Tokyo JP Tokyo
- 优先权： JP2012-011689 20120124
- 主分类号： H01L39/12
- IPC分类号： H01L39/12 ; H01L39/24
摘要：
An MgB2 superconducting wire excellent in critical current density property is supplied by using a crystalline boron powder which is low in costs and easy to obtain. For the wire, a precursor of the MgB2 superconducting wire is used, the precursor having a linear structure including a core region containing a magnesium powder and a boron powder, and a sheath region formed of a metal covering an outer circumferential portion of the core region. The boron powder is crystalline, and has a volume-mean particle size of 2 μm or less.
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