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Abstract #1470

A cryogen-free actively shielded HTS magnet for a 1.5 T MRI system

Yi Li1, Steffen Lother1, Andreas Voß2, Robert Odenbach1, Leander Bartsch2, and Stefan Röll1

1Neoscan Solutions GmbH, Magdeburg, Germany, 2Institute for Medical Engineering, Otto-von-Guericke University, Magdeburg, Saxony-Anhalt, Germany, Magdeburg, Germany

A cryogen free actively shielded magnet for 1.5 T MRI is being developed. High temperature superconductor is used for the fabrication of the magnet. We bring this first prototype for neonatal MRI system which requires more compact dimension and tighter stray field of the magnet. Magnet design has been finished and one coil of the total seven coils has been built and tested. The experimental results are satisfactory in terms of cooling performance, joint resistance and magnetic field. It successfully approves the feasibility of the concept and more results will be shown when the conference starts.

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