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Abstract #1332

B1+ distortion by residual currents in decoupled Receive arrays

Ed B Boskamp 1 and David M Goldhaber 1

1 Engineering, GE Healthcare, Waukesha, WI, United States

Whole body RF transmit coil B1+ uniformity distortion due to residual currents in receive arrays is being studied. Complex arrays may be decoupled from B fields at first glance, but currents can still be induced in the copper traces by E fields and by B fields in loops that are not apparent but do exist due to parasitics. Proper placement of the blocking networks is crucial to minimize currents in the array and thus B1+ distortion.

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