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相关概念视频

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview01:02

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material,  molecules absorb light depending on the energy required for electronic transitions. As a result...

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孔纹皮膜:改善极端紫外线发射率和机械行为的结构方法.

Haneul Kim1,2, Jungyeon Kim1, Young Woo Kang1,2

  • 1Division of Materials Science and Engineering, Hanyang University, Seoul 04763, Republic of Korea.

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概括

一种新的孔纹设计通过提高透射率和机械稳定性来增强极端紫外线 (EUV) 石版. 这种几何方法为皮膜优化提供了超越传统方法的新途径.

关键词:
凸起测试试验 凸起测试试验极端紫外线极端紫外线穿孔图案的膜膜是什么?图像模拟成像的模拟.皮质的皮质皮质的皮质.孔隙结构是多孔结构.传输率 传输率 传输率

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科学领域:

  • 半导体制造业 半导体制造业
  • 材料科学 材料科学 材料科学
  • 光学工程是指光学工程.

背景情况:

  • 高通量极紫外线 (EUV) 光刻要求具有最佳透射率的薄膜.
  • 传统的皮膜优化方法 (材料选择,稀释) 正在达到实际的极限.
  • 需要替代架构来克服当前的局限性.

研究的目的:

  • 调查一个有孔图案的膜结构作为连续膜的替代方案.
  • 分析几何设计对EUV透射率和机械性能的影响.
  • 为先进的皮膜发育提供设计相关的趋势.

主要方法:

  • 用EUV传导度测量与开放比率 (OR) 相对应.
  • 伪光谱时间域 (PSTD) 模拟用于结构和光学分析.
  • 石版空中图像模拟以评估图案扭曲.
  • 机械膨胀试验用于压力偏差和故障分析.

主要成果:

  • 传输率随着OR增加,与理论模型保持一致,但在高OR时显示偏差.
  • 除了在高度连贯的照明下,图案扭曲是最小的,通过增加半径sigma来抑制.
  • 孔纹膜表现出改变的压力偏移行为和更窄的故障分布.
  • 周期性穿孔会影响传导率和机械响应.

结论:

  • 孔纹片为EUV光刻提供了一个可行的几何设计策略.
  • 这种方法补充了现有的材料和厚度优化技术.
  • 该研究提供了关键的洞察力,了解传导能力,机械完整性和缺陷灵敏度之间的权衡.