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Abstract #3096

High-precision Magnetic Susceptometry Applied to 3D-printed RF Coil Construction

R. Adam Horch 1,2 and John C Gore 1,2

1 Department of Radiology & Radiological Sciences, Vanderbilt University, Nashville, TN, United States, 2 Vanderbilt University Institute of Imaging Science, Nashville, TN, United States

An apparatus capable of high precision (< 1 ppb) measurements of magnetic susceptibility has been developed with broad potential in the characterization of materials for MR instrumentation. Measurements of 3D-printed materials relevant to RF coil construction have been performed. For example, 3D-printed ultem differs in susceptibility from water, despite pure ultems excellent match. Poly(methyl methacrylate) and polycarbonate-based 3D-printed materials offer alternatives which closely match waters magnetic susceptibility.

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