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Abstract #2199

Planar-type multi-circular shimming for a 1.0 T permanent magnet

Ryota Yamada1, Makoto Tsuda1, Katsumi Kose1, and Yasuhiko Terada1

1Institute of Applied Physics, University of Tsukuba, Tsukuba, Japan

A multi-circular shim coil (MCSC), which consists of a set of localized circular current coils, provides the flexibility to design and produce linear and higher-order magnetic fields that compensate for a given B0 imhomogeneity both statically and dynamically. However, the concept of the MCSC has currently been realized only for cylindrical base geometries. Here we translated the concept of the MCSC to a biplanar geometry, and a planar-type MCSC was designed and fabricated for an open, 1.0 T permanent magnet system. We concluded that the planar MCSC is a useful devise to achieve field homogeneity with reasonable accuracy.

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