Laser & Optoelectronics Progress, Volume. 59, Issue 9, 0922003(2022)

Research Progress on Stage Control Methods for a Lithography Machine

Longbin Jiang1, Runze Ding1, Chenyang Ding1、*, Xiaofeng Yang2、**, and Yunlang Xu2
Author Affiliations
  • 1Shanghai Engineering Research Center of Ultra-Precision Motion Control and Measurement, Academy for Engineering and Technology, Fudan University, Shanghai 200433, China
  • 2State Key Laboratory of ASIC and System, School of Microelectronics, Fudan University, Shanghai 200433, China
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    A lithography machine is a key equipment to support the continuous reduction of the size of the integrated circuit. High-performance lithography machine requires high-acceleration and high-precision motion stages. To meet the requirements of the lithography machine, high-performance stage control methods are essential. This paper sorts out and introduces the mainstream control methods of motion stages in the lithography machine. First, the working principle and basic control structure of motion stages are introduced. Then, the control methods of the motion stage are introduced in detail from the aspects of feedforward control, feedback control and over-actuation/over-sensing, to provide a reference for the further development of control methods of lithography machine motion stages.

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    Longbin Jiang, Runze Ding, Chenyang Ding, Xiaofeng Yang, Yunlang Xu. Research Progress on Stage Control Methods for a Lithography Machine[J]. Laser & Optoelectronics Progress, 2022, 59(9): 0922003

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Feb. 8, 2022

    Accepted: Mar. 21, 2022

    Published Online: May. 10, 2022

    The Author Email: Ding Chenyang (dingcy@fudan.edu.cn), Yang Xiaofeng (xf_yang@fudan.edu.cn)

    DOI:10.3788/LOP202259.0922003

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