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关于下一代EUV刻字技术的研究:Hyper NA,实际实施的最高潜力.

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  • 1Department of Chemistry, Faculty of Science, KU Leuven, Leuven 3001, Belgium.

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概括
此摘要是机器生成的。

未来的半导体缩放需要先进的光刻法. 本研究探讨了减少波长或增加数字光圈 (NA) 以超出当前高NA极紫外 (EUV) 系统,以提高下一代设备的分辨率.

关键词:
欧盟视频石版画 EUV石版画SRG (次分辨率格子) 是指一个分辨率格子.最好的焦点转移转移超越欧盟视觉部队的范围.焦点的焦点深度.过度的NA NA超级的NA面具 3D 效果 3D 效果

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科学领域:

  • 半导体制造业 半导体制造业
  • 先进的 lithography 技术可以使用.
  • 光学物理学的光学物理.

背景情况:

  • 设备缩放需要改进的光刻分辨率.
  • 目前的极紫外线 (EUV) 石版使用0.33 NA,正在开发的0.55 NA系统.
  • 进一步提高分辨率对于未来的半导体节点至关重要.

研究的目的:

  • 评估扩展 lithographic 分辨率超出当前高NA EUV 系统的途径.
  • 分析降低EUV波长或增加NA的技术挑战和机会.
  • 评估可行性和对未来扩展成像性能的影响.

主要方法:

  • 两种主要缩放方法的比较分析:波长减小 (<13.5 nm) 和数值孔径增加 (NA > 0.55).
  • 讨论每种方法的技术障碍和潜在进步.
  • 对成像性能影响的评估.

主要成果:

  • 波长减小和NA增长都为进一步的光刻缩放提供了可行的路线.
  • 每种方法都带来不同的技术挑战和机遇.
  • 这两种方法的可行性和对成像性能的影响各不相同.

结论:

  • 持续的设备缩放依赖于光刻技术的进步,特别是超过0.55 NA EUV.
  • 探索13.5nm以下的波长和NA>0.55是关键策略.
  • 仔细考虑技术挑战对于成功实施至关重要.