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相关实验视频

Updated: Feb 28, 2026

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope
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通过集成暗场散射和衍射相显微镜,对无图案晶圆进行高灵敏度缺陷检查.

Xiangchao Zhang1,2, Qianru Zheng2, Di Li3

  • 1Jianghuai Advanced Technology Center, Hefei 230088, China.

Sensors (Basel, Switzerland)
|February 27, 2026
PubMed
概括
此摘要是机器生成的。

一个新的双通道光学检查系统结合了暗场散射和衍射相显微镜,用于敏感的晶圆缺陷检测. 这种先进的技术提高了半导体制造的灵敏度和可靠性.

关键词:
暗场散射的散射是一种散射.检测缺陷检测检测缺陷检测的方法分散相显微镜的微镜.晶圆检查 晶圆检查 晶圆检查

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相关实验视频

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科学领域:

  • 半导体制造业 半导体制造业
  • 光学计量学 在光学计量学
  • 材料科学 材料科学 材料科学

背景情况:

  • 传统的晶圆缺陷检查方法缺乏足够的灵敏度和可靠性.
  • 先进的半导体制造需要在缺陷检测方面更高的精度.

研究的目的:

  • 开发一种新的双通道光学检查系统,用于增强晶圆缺陷的特征.
  • 提高无图案晶圆缺陷检测的灵敏度和可靠性.

主要方法:

  • 将暗场散射和衍射相位显微镜集成到一个单一系统中.
  • 同时获取来自缺陷的暗场强度和相梯度信号.
  • 实验验证使用聚乙烯颗粒进行检测限值评估.

主要成果:

  • 实现了对晶圆缺陷的60nm检测极限.
  • 与单个暗场散射系统相比,表现出更好的灵敏度.
  • 维护横向和垂直维度的小规模缺陷的检测极限.

结论:

  • 拟议的双通道系统为无图案晶圆缺陷检查提供了高灵敏度和可靠性.
  • 这项技术满足了先进半导体制造的严格要求.
  • 综合方法使纳米尺度的综合缺陷表征成为可能.