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    • 6. 发明授权
    • Method for assembling magnetic members for magnetic resonance imaging magnetic field generator
    • 用于组装磁共振成像磁场发生器的磁性元件的方法
    • US06664878B1
    • 2003-12-16
    • US10064565
    • 2002-07-26
    • William E-Wei ChenJinhua HuangRonald Floyd LochnerWeijun ShenGeer WardBu-Xin Xu
    • William E-Wei ChenJinhua HuangRonald Floyd LochnerWeijun ShenGeer WardBu-Xin Xu
    • H01F702
    • G01R33/3806G01R33/383
    • Disclosed herein is a method for assembling a magnetic field generator for a magnetic resonance imaging system. The method comprises: establishing an arrangement for a permanent magnet of a magnet assembly comprising a ferromagnetic yoke plate and a permanent magnet, wherein the arrangement includes a portion of a cavity formed from placement of a portion of a plurality of retainers attached at substantially the perimeter of the yoke plate. The method also includes populating the first portion of the cavity with a set of rails attached to the yoke plate and affixing a plurality of gliders to a plurality of magnet blocks and magnetizing the gliders and magnet blocks to form a plurality of block assemblies. Finally, the method includes sliding each block assembly of the plurality of block assemblies along a rail of the set of rails; initiating with an outermost rail and concluding with an innermost, securing each successively filled rail with a retainer.
    • 本文公开了一种用于组装用于磁共振成像系统的磁场发生器的方法。 该方法包括:为包括铁磁轭板和永磁体的磁体组件的永磁体建立一种装置,其中该装置包括一部分空腔,该部分通过将大体上周边附接的多个保持器的一部分放置 的轭板。 该方法还包括用连接到轭板的一组轨道填充空腔的第一部分,并将多个滑翔机固定到多个磁体块上,并使滑行器和磁体块磁化以形成多个块组件。 最后,该方法包括沿着该组轨道的轨道滑动多个块组件的每个块组件; 用最外面的导轨起始,并用最内层结束,用固定器固定每个连续填充的轨道。