Magnetic shielding for a PET detector system
作者： Gordon D. DeMeester , Jerome J. Griesmer , Kevin C. McMahon , Michael A. Morich
DOI:
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摘要: A positron emission tomography (PET) detector ring comprising: a radiation comprising scintillators ( 74 ) viewed by photomultiplier tubes 72 ); and magnetic field shielding enclosure 83, 84 surrounding sides back side of the annular so as to shield ring. Secondary 76 ′) may also be provided, ferromagnetic material having higher permeability lower saturation characteristics compared with enclosure, second arranged The secondary comprise mu-metal. PET part hybrid imaging system including resonance (MR) scanner, being respective MR scanner such that stray from impinges on
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