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    • 1. 发明申请
    • Positioning system and positioning method
    • 定位系统及定位方法
    • US20050140326A1
    • 2005-06-30
    • US10969235
    • 2004-10-21
    • Martijn HoukesHenrikus CoxRamidin KamidinPatricia Vreugdewater
    • Martijn HoukesHenrikus CoxRamidin KamidinPatricia Vreugdewater
    • G03F9/00G03F7/20G05D3/00H01L21/027H01L21/68G05D23/275
    • G03F7/70758G05B2219/45031
    • A positioning system for moving an object to a target position is presented. In an embodiment, the system includes a first actuator configured to exert a force on the object in a first direction in response to a control current, the actuator having an actuator gain and the generated force being a function of the control current and the actuator gain, the actuator including a magnet configured to induce a magnetic field; and a coil arranged in the magnetic field, the magnet and the coil being movable relative to each other. The system also includes a power supply configured to supply the control current to the actuator in response to a control signal; and a control system configured to control the force generated by the actuator by supplying the control signal to the power supply, the control signal being adapted to the actuator gain, the gain being predetermined as a function of a parameter.
    • 提出了一种用于将物体移动到目标位置的定位系统。 在一个实施例中,系统包括第一致动器,其构造成响应于控制电流在第一方向上对物体施加力,致动器具有致动器增益,并且所产生的力是控制电流和致动器增益的函数 所述致动器包括被配置为引起磁场的磁体; 以及布置在所述磁场中的线圈,所述磁体和所述线圈可相对于彼此移动。 该系统还包括被配置为响应于控制信号向致动器提供控制电流的电源; 以及控制系统,其被配置为通过将所述控制信号提供给所述电源来控制由所述致动器产生的力,所述控制信号适于所述致动器增益,所述增益作为参数的函数被预先确定。
    • 2. 发明授权
    • Positioning system and positioning method
    • 定位系统及定位方法
    • US07005823B2
    • 2006-02-28
    • US10969235
    • 2004-10-21
    • Martijn HoukesHenrikus Herman Marie CoxRamidin Izair KamidinPatricia Vreugdewater
    • Martijn HoukesHenrikus Herman Marie CoxRamidin Izair KamidinPatricia Vreugdewater
    • G05D23/275
    • G03F7/70758G05B2219/45031
    • A positioning system for moving an object to a target position is presented. In an embodiment, the system includes a first actuator configured to exert a force on the object in a first direction in response to a control current, the actuator having an actuator gain and the generated force being a function of the control current and the actuator gain, the actuator including a magnet configured to induce a magnetic field; and a coil arranged in the magnetic field, the magnet and the coil being movable relative to each other. The system also includes a power supply configured to supply the control current to the actuator in response to a control signal; and a control system configured to control the force generated by the actuator by supplying the control signal to the power supply, the control signal being adapted to the actuator gain, the gain being predetermined as a function of a parameter.
    • 提出了一种用于将物体移动到目标位置的定位系统。 在一个实施例中,系统包括第一致动器,其构造成响应于控制电流在第一方向上对物体施加力,致动器具有致动器增益,并且所产生的力是控制电流和致动器增益的函数 所述致动器包括被配置为引起磁场的磁体; 以及布置在所述磁场中的线圈,所述磁体和所述线圈可相对于彼此移动。 该系统还包括被配置为响应于控制信号向致动器提供控制电流的电源; 以及控制系统,其被配置为通过将所述控制信号提供给所述电源来控制由所述致动器产生的力,所述控制信号适于所述致动器增益,所述增益作为参数的函数被预先确定。
    • 5. 发明申请
    • Lithographic apparatus and device manufacturing method
    • 平版印刷设备和器件制造方法
    • US20060139613A1
    • 2006-06-29
    • US11022950
    • 2004-12-28
    • Martijn HoukesHans ButlerHenrikus Cox
    • Martijn HoukesHans ButlerHenrikus Cox
    • G03B27/58
    • G03F7/70341G03F7/70725
    • A lithographic apparatus includes a first movable element (such as an immersion liquid supply system), which is in operation in contact with a surface of a second movable element (such as a substrate table). Further, the lithographic apparatus includes a second element controller (such as a substrate table controller) to control a position quantity of the second movable element. Disturbance forces caused by, e.g., movements of the first and second movable elements with respect to each other, due to capillary forces disturb a position of the first and second movable elements. To at least partly correct a position of the second movable element due to such disturbance forces, the lithographic apparatus includes a feedforward control path to provide a disturbance force feedforward signal to the second element controller, the feedforward control path including a disturbance force estimator to estimate a disturbance force from a position quantity of the first movable element.
    • 光刻设备包括与第二可移动元件(例如基板台)的表面接触的第一可移动元件(例如浸没液体供应系统)。 此外,光刻设备包括用于控制第二可移动元件的位置量的第二元件控制器(诸如基板台控制器)。 由于毛细作用力引起的第一和第二可移动元件相对于彼此的运动引起的干扰力会扰乱第一和第二可移动元件的位置。 为了由于这种干扰力至少部分地校正第二可移动元件的位置,光刻设备包括前馈控制路径以向第二元件控制器提供干扰力前馈信号,前馈控制路径包括扰动力估计器以估计 来自第一可移动元件的位置量的扰动力。