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RE123 superconducting wire and its manufacturing method 发明申请

2023-04-22 1430 352K 0

专利信息

申请日期 2025-08-29 申请号 JP2013522974
公开(公告)号 JPWO2013002372A1 公开(公告)日 2015-02-23
公开国别 JP 申请人省市代码 全国
申请人 International Superconductivity Technology Center Foundation for391004481; Fujikura Ltd5186
简介 An RE123-based superconducting wire includes a base material, an intermediate layer formed on the base material, and an oxide superconducting layer which is formed on the intermediate layer and includes an oxide superconductor having a composition formula represented by RE 1 Ba 2 Cu 3 O 7-´ (RE represents one or two or more rare earth elements), in which the oxide superconducting layer includes 0.5 to 10 mol% of a Hf-including compound dispersed in the oxide superconducting layer as an artificial pinning center, a film thickness d of the oxide superconducting layer is d>1 µm, and a current characteristic of J cd /J cl ‰¥0.9 (J cl represents a critical current density when the thickness of the oxide superconducting layer is 1 µm, and J cd represents the critical current density when the thickness of the oxide superconducting layer is d µm) is satisfied.


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