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    • 32. 发明授权
    • Homing of arbitrary scan path of a rotating magnetron
    • 回旋磁控管的任意扫描路径
    • US08721847B2
    • 2014-05-13
    • US13347030
    • 2012-01-10
    • Yu ChangWilliam KuangRonald D. DeDoreJitendra R. BhimjiyaniWesley W. Zhang
    • Yu ChangWilliam KuangRonald D. DeDoreJitendra R. BhimjiyaniWesley W. Zhang
    • C23C14/35
    • C23C14/35C23C14/54H01J37/3408H01J37/3455
    • A control system and method for controlling two motors determining the azimuthal and circumferential position of a magnetron rotating about the central axis of the sputter chamber in back of its target sputtering and capable of a nearly arbitrary scan path, e.g., with a planetary gear mechanism. A system controller periodically sends commands to the motion controller which closely controls the motors. Each command includes a command ticket, which may be one of several values. The motion controller accepts only commands having a command ticket of a different value from the immediately preceding command. One command selects a scan profile stored in the motion controller, which calculates motor signals from the selected profile. Another command instructs a dynamic homing command which interrogates sensors of the position of two rotating arms to determine if the arms in the expected positions. If not, the arms are rehomed.
    • 一种用于控制两个电动机的控制系统和方法,所述两个电动机确定围绕其目标溅射背面的溅射室的中心轴线旋转的磁控管的方位角和圆周位置,并且能够以几乎任意的扫描路径,例如用行星齿轮机构。 系统控制器周期性地向控制电机的运动控制器发送命令。 每个命令包括一个命令票证,它可以是几个值之一。 运动控制器仅接受具有与前一个命令不同的命令票证的命令。 一个命令选择存储在运动控制器中的扫描轮廓,其从所选轮廓计算马达信号。 另一个命令指示动态归位命令,其询问两个旋转臂的位置的传感器以确定臂在预期位置。 如果没有,武器被重新安置。
    • 36. 发明申请
    • Table having solidly securing structure
    • 表具有牢固的固定结构
    • US20050155531A1
    • 2005-07-21
    • US10760936
    • 2004-01-16
    • Yu Chang
    • Yu Chang
    • A47B3/00A47B3/091
    • A47B3/0911
    • A table includes a table top having one or more walls and one or more apertures formed in each of two sides, a foot support includes two beams attached to the sides of the table top and each having a flap engaged into the apertures of the table top The walls of the table top are disposed between the beams and the flaps, and a number of fasteners are engaged through the beams and the walls of the table top and the flaps of the beam, to solidly secure the beams to the table top. The engagement of the flaps of the beams into the table top may solidly anchor or secure the beams and thus the foot support to the table top.
    • 桌子包括具有一个或多个壁的桌面和在两侧中的每一侧形成的一个或多个孔,脚支撑件包括附接到台面的侧面的两个梁,并且每个具有接合到台面的孔中的挡板 桌面的墙壁设置在梁和襟翼之间,并且许多紧固件通过梁和台面的壁和梁的襟翼接合,以将梁牢固地固定到台面上。 梁的折板与桌面的接合可以牢固地固定或固定梁,从而将脚支撑固定到台面上。