Abstract #3335

Eight channel B0 shim array as add-on for ultra-high field systems

Jan Ole Pedersen¹, Esben Thade Petersen^2,3, Jason Stockmann⁴, and Vincent O. Boer²

¹Philips Healthcare, Copenhagen, Denmark, ²Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital, Hvidovre, Denmark, ³Section for Magnetic Resonance, DTU Health Tech, Technical University of Denmark, Kgs Lyngby, Denmark, ⁴Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, United States

We have simulated and manufactured a shim coil array specifically designed to address fronto-temporal B₀ inhomogeneities at 7T. The shim array is driven by an open-source amplifier, and facilitates slice-wise dynamic shimming. Complexity and costs are purposely kept low to allow manufacturing without prior expertise in electronics design and without access to extensive electronics manufacturing facilities.

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