LITHOGRAPHIC APPARATUS
    21.
    发明申请
    LITHOGRAPHIC APPARATUS 有权
    LITHOGRAPHIC设备

    公开(公告)号:US20150092171A1

    公开(公告)日:2015-04-02

    申请号:US14396027

    申请日:2013-04-05

    Inventor: Hans Butler

    Abstract: A lithographic apparatus includes a patterning device support to support a patterning device to form a patterned radiation beam, the patterning device support including a moveable structure movably arranged with respect to an object, a patterning device holder movably arranged relative to the movable structure and holding the patterning device, an actuator to move the movable structure relative to the object, and an ultra short stroke actuator to move the patterning device holder relative to the movable structure; a substrate support to hold a substrate; and a projection system to project the patterned radiation beam onto the substrate, a position measurement system for measuring a substrate positional error which is a difference between a desired position and an actual position of the substrate relative to a reference object; and a controller to move the actuator and the ultra short stroke actuator based on the substrate positional error.

    Abstract translation: 光刻设备包括图案形成装置支撑件以支撑图案形成装置以形成图案化的辐射束,图案形成装置支撑件包括相对于物体可移动地布置的可移动结构,相对于可移动结构可移动地布置并保持 图案形成装置,用于相对于物体移动可移动结构的致动器和超短行程致动器,用于相对于可移动结构移动图案形成装置保持器; 用于保持基板的基板支撑件; 以及用于将图案化的辐射束投影到基板上的投影系统,用于测量基板位置误差的位置测量系统,所述基板位置误差是所述基板相对于参考物体的期望位置和实际位置之间的差值; 以及基于基板位置误差来移动致动器和超短行程致动器的控制器。

    Electronic system, accelerometer, calibration method, lithographic apparatus and device manufacturing method

    公开(公告)号:US11561479B2

    公开(公告)日:2023-01-24

    申请号:US17428223

    申请日:2020-01-03

    Abstract: The invention relates to an electronic system for an accelerometer having a piezoelectric element and a first mechanical resonance frequency, comprising: a) a damping circuit configured to: —receive an acceleration signal from the piezoelectric element; —electronically dampen an amplitude of the first mechanical resonance frequency; and—generate a damped acceleration signal, b) an extender configured to: —receive the damped acceleration signal; —extend the frequency response; and—output an extended damped acceleration signal, wherein the extender is configured to have a first electronic anti-resonance frequency matching the damped first mechanical resonance frequency, and to have a frequency response between the first electronic anti-resonance frequency and a higher second frequency that is substantially opposite to a corresponding frequency response of the combination of the accelerometer and the damping circuit.

    Frame assembly, lithographic apparatus and device manufacturing method

    公开(公告)号:US11269262B2

    公开(公告)日:2022-03-08

    申请号:US17049719

    申请日:2019-04-04

    Abstract: A lithographic apparatus or frame assembly, comprising: a first and second pneumatic support, being arranged to control position of a frame, each of said pneumatic supports accommodating a pressure chamber; a frame position control system, comprising; a first position sensor device, configured to generate measurement data relating to the position of the frame; a first pressure controller, configured to control the pressure in the pressure chamber of the first pneumatic support on the basis of the measurement data generated by the first position sensor device; a pressure differential sensor device, configured to generate data relating to the difference between the pressure in the pressure chambers of the first and the second pneumatic support; a second pressure controller, configured to control the pressure in the pressure chamber of the second pneumatic support on the basis of the measurement data from the pressure differential sensor device.

    Pneumatic support device and lithographic apparatus with pneumatic support device

    公开(公告)号:US11169450B2

    公开(公告)日:2021-11-09

    申请号:US17050264

    申请日:2019-03-18

    Abstract: The invention provides a pneumatic support device for a lithographic apparatus and a lithographic apparatus with such support device. The support device comprises a gas spring. The gas spring comprises a suspending part, a suspended part, and a pressure chamber configured for supporting the suspended part relative to the suspending part. The support device further comprises an actuator configured for positioning the suspended part relative to the suspending part, an acceleration sensor configured for generating a first sensor signal representative for the acceleration of the suspending part, a pressure sensor configured for generating a second sensor signal representative for the pressure in the pressure chamber, and a control unit. The control unit is configured to: receive the first sensor signal, receive the second sensor signal, filter the first sensor signal in a low-pass filter, filter the second sensor signal in a high-pass filter, determine, based on the filtered first sensor signal and filtered second sensor signal, a force exerted by the suspending part on the suspended part, and generate, based on said force, a control signal for the actuator.

    Object positioning in lithography
    30.
    发明授权

    公开(公告)号:US10120293B2

    公开(公告)日:2018-11-06

    申请号:US15028676

    申请日:2014-09-25

    Abstract: An object positioning system includes an object; a measurement system to measure the position of the object, wherein each sensor of the measurement system has an associated measurement area on the object and wherein a location of at least one measurement area on the object is dependent on the position of the object; an actuator system to position the object; a control system configured to drive the actuator system, wherein the control system includes an observer with a dynamic model of the object to estimate an internal dynamic behavior of the object, wherein the dynamic model includes the dependency of the location of at least one measurement area on the position of the object, and wherein the control system is configured to drive the actuator system in dependency of an output of the observer.

Patent Agency Ranking