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    • 96. 发明公开
    • DIPOLE RING MAGNETIC FIELD GENERATOR
    • 偶极环磁场发生器
    • EP3125257A1
    • 2017-02-01
    • EP16179125.6
    • 2016-07-12
    • Shin-Etsu Chemical Co., Ltd.
    • INOUE, TakanobuHIGUCHI, Dai
    • H01F7/02G01R33/383
    • H01F7/021G01R33/383H01F7/0221H01F7/0268H01F7/0273H01F7/0278
    • Provided is a dipole ring magnetic field generator capable of generating a substantially unidirectional magnetic field in the internal space of a ring without using permanent magnet pieces having fan-shaped or trapezoidal sections, and as a result, a smaller skew angle therein is achieved. The sections of the permanent magnet pieces are shaped to be rectangular, and a plurality of the rectangular permanent magnet pieces are circularly placed at predetermined positions. Each of first, second, third and fourth permanent magnet units, which are main permanent magnet units, comprises five or more permanent magnet pieces. The first and third permanent magnet units, as well as the second and fourth permanent magnet units, are positioned oppositely from each other with respect to a central axis of the magnetic field generator and have hollow shapes or E-shapes facing against each other in a section perpendicular to the central axis.
    • 本发明提供一种不使用扇形或梯形的永久磁铁片而能够在环的内部空间中产生大致单向的磁场的偶极环磁场产生装置,其结果是能够实现小的倾斜角。 永磁体片的截面形状为矩形,并且多个矩形永磁体片被圆形地放置在预定位置处。 作为主永磁体单元的第一,第二,第三和第四永磁体单元中的每一个包括五个或更多个永磁体片。 第一和第三永久磁铁单元以及第二和第四永久磁铁单元相对于磁场发生器的中心轴线彼此相对地定位并且具有彼此面对的中空形状或E形状 垂直于中心轴线的截面。