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    • 3. 发明授权
    • Device for producing a sliding or traveling magnetic field, in
particular for ionic processing under magnetic field
    • 用于产生滑动或行进磁场的装置,特别是用于磁场下的离子加工
    • US4734621A
    • 1988-03-29
    • US945984
    • 1986-12-24
    • Jean P. YonnetJoel Penelon
    • Jean P. YonnetJoel Penelon
    • H01L21/302H01L21/3065H02K41/00H01J7/24H05B31/26
    • H02K41/00
    • Device for producing a sliding or traveling magnetic field, with a substantially constant modulus in a working region (11a), using movable permanent magnets, these permanent magnets forming cylindrical bars (1) with diametrical or radial magnetization, with one or more pairs of poles, arranged side by side with their axes parallel and equidistant (E), placed in one and the same plane (A), the magnetizations (J) of the bars (1) being successively angularly offset by a constant angle, the various bars (1) being driven rotationally around their axis at the same angular velocity and in the same direction, and the distance (Y) between the said working region (11a) and the plane (A) of the axes of the bars (1) being equal to at least 0.75 times the distance (E) between the axes of two successive bars.
    • 用于产生滑动或行进磁场的装置,在工作区域(11a)中使用可移动永磁体具有基本上恒定的模量,这些永磁体形成具有直径或径向磁化的圆柱形杆(1),具有一对或多对极 (E)放置在同一平面(A)中并排布置,杆(1)的磁化(J)被连续角度地偏移一定角度,各种杆 1)以相同的角速度和相同的方向绕其轴线旋转地驱动,并且所述工作区域(11a)和杆(1)的轴线的平面(A)之间的距离(Y)相等 到至少0.75倍于两个连续条的轴之间的距离(E)。