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相关概念视频

Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

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Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
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相关实验视频

Updated: Sep 11, 2025

Use of Sacrificial Nanoparticles to Remove the Effects of Shot-noise in Contact Holes Fabricated by E-beam Lithography
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Use of Sacrificial Nanoparticles to Remove the Effects of Shot-noise in Contact Holes Fabricated by E-beam Lithography

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使用创新的源优化方法在高数值孔径极端紫外线光刻中降低剂量灵敏度.

Zhaoxuan Li, Miao Yuan, Zhen Li

    Applied optics
    |August 12, 2025
    PubMed
    概括

    本研究引入了一种用于高数字孔径极紫外线光刻系统 (高NA EUVL) 的新型源优化方法. 该技术增强了成像稳定性,并通过最小化剂量变化效应来延长过程窗口.

    科学领域:

    • 半导体制造业 半导体制造业
    • 光学石版印刷是一种光学石版印刷.
    • 计量学 计量学 计量学

    背景情况:

    • 扫描系统中的照明不均和系统漂移导致剂量变化.
    • 这些变化降低了高NAEUVL的成像性能和晶圆全方位一致性.

    研究的目的:

    • 为高NAEUVL系统提出一种新的源优化 (SO) 方法.
    • 为了减少剂量变化的对临界维度误差 (CDE) 的影响.
    • 增加暴露度 (EL) 和过程窗口 (PW).

    主要方法:

    • 开发了一种剂量敏感性功能.
    • 将剂量灵敏度函数集成到SO成本函数中.
    • 进行模拟以验证方法的有效性.

    主要成果:

    • 拟议的SO方法显著改善了在剂量不均的情况下的成像性能稳定性.
    • 证明了剂量变化对CDE的影响减少.
    • 展示了过程窗口 (PW) 的扩展.

    结论:

    • 新的SO方法有效地提高了高NAEUVL中对剂量变化的稳定性.

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  • 这种方法对于提高先进半导体制造的产量和可靠性至关重要.
  • 该方法提供了一条通往更稳定和可预测的 lithography 结果的途径.