Abstract #0837

The orthogonal shim coil at 3-Tesla

Jiazheng Zhou^1,2, Jason Stockmann^3,4, Nicolas Arango⁵, Klaus Scheffler¹, Lawrence L Wald^3,4, and Fa-Hsuan Lin^6,7

¹High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Tübingen, Germany, ²Graduate Training Center of Neuroscience, IMPRS, University of Tübingen, Tübingen, Germany, ³A. A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, United States, ⁴Harvard Medical School, Boston, MA, United States, ⁵Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA, United States, ⁶Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan, ⁷Department of Neuroscience and Biomedical Engineering, Alto University, Espoo, Finland

We purpose an integrated RF-shim coil array, where the shimming current path and the RF receiving coil are arranged on two orthogonal planes to minimize the mutual coupling. This design was implemented as an array consisting of seven shim coils and a 32-channel RF-shim array. The 39-channel RF-shim coil array has marginal SNR loss and improved the global shimming by 9%, compared to the 32-channel RF-shim array.

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