Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability [0.03%]
用于紧凑型NMR磁体的堆叠YBCO薄板的陷闭磁场特性：空间磁场分布和时间稳定性
Seungyong Hahn,Seok Beom Kim,Min Cheol Ahn et al.
Seungyong Hahn et al.
This paper presents experimental and analytical results of trapped field characteristics of a stack of square YBCO thin film plates for compact NMR magnets. Each YBCO plate, 40 mm × 40 mm × 0.08 mm, has a 25-mm diameter hole at its center...
An Analytical Technique to Elucidate Field Impurities From Manufacturing Uncertainties of an Double Pancake Type HTS Insert for High Field LTS/HTS NMR Magnets [0.03%]
一种分析技术从制造不确定性中阐明双平板型高温超导插入线圈的磁场杂质用于高场低温超导与高温超导核磁共振磁体中的研究
Seung-Yong Hahn,Min Cheol Ahn,Emanuel Saul Bobrov et al.
Seung-Yong Hahn et al.
This paper addresses adverse effects of dimensional uncertainties of an HTS insert assembled with double-pancake coils on spatial field homogeneity. Each DP coil was wound with Bi2223 tapes having dimensional tolerances larger than one orde...
Spatial and Temporal Variations of a Screening Current Induced Magnetic Field in a Double-Pancake HTS Insert of an LTS/HTS NMR Magnet [0.03%]
低温超导磁体中高温二 pancake 线圈感应磁场的时空调制研究
Min Cheol Ahn,Tsuyoshi Yagai,Seungyong Hahn et al.
Min Cheol Ahn et al.
This paper presents experimental and simulation results of a screening current induced magnetic field (SCF) in a high temperature superconductor (HTS) insert that constitutes a low-/high-temperature superconductor (LTS/HTS) NMR magnet. In t...
A Solid Nitrogen Cooled MgB(2) "Demonstration" Coil for MRI Applications [0.03%]
用于磁共振成像的固体氮冷凝MgB2“演示”线圈
Weijun Yao,Juan Bascuñán,Woo-Seok Kim et al.
Weijun Yao et al.
A 700-mm bore superconducting magnet was built and operated in our laboratory to demonstrate the feasibility of newly developed MgB(2) superconductor wire for fabricating MRI magnets. The magnet, an assembly of 10 coils each wound with a re...
Nonlinear Behavior of a Shim Coil in an LTS/HTS NMR Magnet With an HTS Insert Comprising Double-Pancake HTS-Tape Coils [0.03%]
低溫超導室溫超導核磁共振 magnet 中含雙層 Flat coil 高溫超導插入 coils 的非線性行為分析
Seung-Yong Hahn,Min Cheol Ahn,Juan Bascuñán et al.
Seung-Yong Hahn et al.
This paper reports results, experimental and analytical, of the nonlinear behavior of a shim coil in the presence of an HTS coil assembled with double-pancake (DP) HTS-tape coils. The experimental results are from: 1) operation of a 700 MHz...