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    • 1. 发明授权
    • Small epicyclic magnetron with controlled radial sputtering profile
    • 具有受控径向溅射特性的小型行星磁控管
    • US06852202B2
    • 2005-02-08
    • US10418710
    • 2003-04-17
    • Michael Andrew MillerJames H. TsungDaniel C. LubbenIlyoung Richard HongPeijun Ding
    • Michael Andrew MillerJames H. TsungDaniel C. LubbenIlyoung Richard HongPeijun Ding
    • C23C14/35H01J37/34
    • H01J37/3408H01J37/3455
    • A small unbalanced magnet assembly is scanned in a retrograde planetary or epicyclic path about the back of a target being plasma sputtered including an orbital rotation about the center axis of the target and a planetary rotation about another axis rotating about the target center axis. The magnet assembly may pass through the target center, thus allowing full target coverage. A geared planetary mechanism may include a rotating drive plate, a fixed center gear, and an idler and a follower gear rotatably supported in the drive plate supporting a cantilevered magnet assembly on the side of the drive plate facing the target. The erosion profile may be controlled by varying the rotation rate through the rotation cycle or by modulating the target power. A second planetary stage may be added or non-circular gears be used. Auxiliary electromagnetic coils may create a focusing magnetic field.
    • 小型不平衡磁体组件以逆行星行星或行星路径围绕目标物的背面进行扫描,等离子体溅射包括围绕目标的中心轴线的轨道旋转和围绕围绕目标中心轴线旋转的另一轴线的行星旋转。 磁体组件可以穿过目标中心,从而允许完全的目标覆盖。 齿轮行星机构可以包括旋转驱动板,固定中心齿轮和惰轮以及可旋转地支撑在驱动板中的从动齿轮,该驱动板支撑在与驱动板对置的驱动板侧的悬臂磁体组件。 可以通过改变通过旋转周期的旋转速率或通过调节目标功率来控制侵蚀曲线。 可以添加第二行星级或使用非圆形齿轮。 辅助电磁线圈可产生聚焦磁场。