Sunday, March 30, 2025

11.7T in Korea in superconductor science & technology journal

Well, so it was published, finally, last month (SUST article, Feb 2025). A few facts according to the paper: The magnet warm bore is 70 cm in diameter, the magnet runs in persistent mode and has been stable in the last 2+ years. In comparison with the Iseult magnet in France, passive shielding (requiring massive shielding walls) and persistent mode (as opposed to driven mode) appear to be the main differences in addition to the magnet bore size (90 cm for Iseult). I could not find gradient coil specification, but from my visit to Gachon a few years ago, the coil's small thickness is unlikely to allow coils with high amplitudes. The paper included a 3D gradient-echo image of an ex-vivo monkey brain with 12.8 cm FOV and 0.5 mm isotropic resolution. This shows the imaging system is operational but the authors certainly would hope that many more images are coming to meet the magnet's high expectation. So, congratulations to the magnet team, and let's hope more is coming.

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