Abstract #0306

Compact and Lightweight Single-sided Inward-outward (IO)-ring permanent magnet array for back imaging

Ting-Ou Liang¹, Erping Li², Wenwei Yu³, and Shao Ying Huang¹

¹Singapore University of Technology and Design, Singapore, Singapore, ²Zhejiang University, Hangzhou, China, ³Chiba University, Chiba, Japan

Synopsis

Keywords: Low-Field MRI, Low-Field MRI, back imagingA compact and lightweight single-sided Inward-outward (IO)-ring permanent magnet array is proposed for back imaging. Its size is 1396×528×1080mm³ and it weighs 924 kg. Within a field-of-view (FoV) of 300×80×20mm³, it has an axial magnetic field with an average strength of 129.8mT, a built-in gradient (averaged at 158mT/m) that corresponds to a radiofrequency (RF) bandwidth of 9.7% and a good linearity with a R²-coefficient of 0.952. It has a compact 5-Gauss zone of 400×320×460mm³.

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