A Passive Copper Shield for the Split MRI System

Keywords

absolute acoustic active actively addition ameliorated another appears applying approaches axial axis body bore caused central coil coils combine comparing complicated conducting configuration cooling copper cross cryostat cuts decrease decreased defined degrade deleterious denotes deposition depth designed developments device dissipated dramatically easier eddy efficacy efficiency electrical emission ensure escape especially expected extra field fields flux frequencies generate generated gradient halves heating hector improved induced inner interposed introduced introducing joule journal label labels leakage length loss made magnet material materials measured mechanical methodology minimize minimizing modalities much network noise passive performance physics positron power presence primary produced quarter radius recent reduce reduced reduction refers related represents resistivity scanner secondary section series shied shield shielded shielding shields significantly simulated simulating skin smaller space split stainless steel studied surfaces surrounding switching system systems temperature terms thick thicker thicknesses tomography transverse turner various varying vibration vibrations weber whole