【摘要】 在极紫外光刻系统中,真空工件台的运行精度、速度、加速度以及动态定位和扫描同步性能是影响整机成像质量、套刻精度和产率的重要因素。结合极紫外光刻机的工作原理和发展现状,论述了极紫外光刻机真空工件台系统的特征、组成及其关键技术。更多还原

【Abstract】 Vacuum stage is a key subsystem of Extreme Ultraviolet Lithography.Its accuracy, velocity, acceleration, as well as dynamic positioning and synchronous scanning performances affect the image quality, overlay accuracy and throughput of the whole machine greatly. Based on the working principles and state-of-the-art developments of EUVL,the characteristics, construction and key technologies for vacuum stage system of EUVL are investigated.更多还原