Abstract #3626

Magnetic field stability and homogeneity of high-temperature superconducting magnet with REBCO tapes measured using dedicated field camera system

Shin-ichi Urayama¹, Taizo Tosaka², Hiroshi Miyazaki², Yasumi Ootani², So Noguchi³, Hiroshi Ueda⁴, Atsushi Ishiyama⁵, Shunji Nomura², Tsutomu Kurusu², and Hidenao Fukuyama¹

¹Kyoto University, Kyoto, Japan, ²Toshiba corporation, Tokyo, Japan, ³Hokkaido University, Sapporo, Japan, ⁴Osaka University, Osaka, Japan, ⁵Waseda University, Tokyo, Japan

Because of the rapid rise of helium price in recent years, we started a project targeting to produce high-temperature superconducting ultra-high-field MRI systems with REBCO (Rare-earth - Barium - Copper Oxide) tapes and as the first step, we developed a middle-size 1T-REBCO magnet and evaluated its magnetic field stability and homogeneity with dedicated field camera system with 16ch NMR probes. Inhomogeneity was up to 800 ppm and stability with linear trend correction was ±1 ppm, and the causes were investigated.

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