LOW MAGNETIC FIELD, ULTRA-LOW MAGNETIC FIELD NUCLEAR MAGNETIC RESONANCE AND MAGNETIC RESONANCE IMAGE APPARATUS
    5.
    发明申请
    LOW MAGNETIC FIELD, ULTRA-LOW MAGNETIC FIELD NUCLEAR MAGNETIC RESONANCE AND MAGNETIC RESONANCE IMAGE APPARATUS 审中-公开
    低磁场,超低磁场核磁共振和磁共振图像装置

    公开(公告)号:US20160209482A1

    公开(公告)日:2016-07-21

    申请号:US14618535

    申请日:2015-02-10

    CPC classification number: G01R33/445 G01R33/326 G01R33/34023 G01R33/3815

    Abstract: Provided is a low magnetic field and ultra-low magnetic field NMR and MRI apparatus. The low magnetic field and ultra-low magnetic field NMR and MRI apparatus includes a SQUID sensor and a prepolarization magnetic field coil. The prepolarization magnetic field coil generates a prepolarization magnetic field to polarize a sample. The prepolarization magnetic coil generates a counter pulse in a direction opposite to that of the prepolarization magnetic field immediately before or immediately after the prepolarization magnetic field is generated. The counter pulse demagnetizes wanted magnetization including that of the prepolarization magnetic field coil itself.

    Abstract translation: 提供了低磁场和超低磁场NMR和MRI装置。 低磁场和超低磁场NMR和MRI装置包括SQUID传感器和预极化磁场线圈。 预极化磁场线圈产生极化磁极以使样品极化。 前极化磁线圈在产生前极化磁场之前或之后产生与反极化磁场相反方向的计数脉冲。 计数脉冲使包括预极化磁场线圈本身的所需磁化消磁。

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