发明授权
- 专利标题： Superconducting articles and methods of fabrication thereof with reduced AC magnetic field losses
- 专利标题（中）： 超导制品及其制造方法具有减小的交流磁场损耗
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申请号： US12351051申请日： 2009-01-09
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公开(公告)号： US08260387B2公开(公告)日： 2012-09-04
- 发明人: Maxim Martchevskii
- 申请人： Maxim Martchevskii
- 申请人地址： US NY Schenectady
- 专利权人： Superpower, Inc.
- 当前专利权人： Superpower, Inc.
- 当前专利权人地址： US NY Schenectady
- 代理机构： Heslin Rothenberg Farley & Mesiti P.C.
- 代理商 Kevin P. Radigan, Esq.
- 主分类号： H01L39/24
- IPC分类号： H01L39/24
摘要：
A superconducting article is provided which includes a superconducting tape assembly. The superconducting tape assembly includes a superconducting tape layer, having one or more superconducting tapes, and a high-permeability magnetic material layer coupled to the superconducting tape layer. The high-permeability magnetic material layer includes a high-permeability magnetic material which remains magnetically soft at a critical temperature Tc of the superconducting tape, and with presence of an ac magnetic field acting on the superconducting tape assembly, re-magnetizes to divert at least a portion of a normal component of the ac magnetic field therethrough, which reduces ac loss in the superconducting tape layer by modifying the ac magnetic field distribution within the superconducting tape of the superconducting tape layer.
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