曲线子分辨率通过数据驱动的U-Net模型协助功能放置
Jiale Liu1, Wenjing He1, Wenhao Ding1
1School of Automation, Guangdong University of Technology, Mega Education Center South, Guangzhou 510006, China.
Micromachines
|November 27, 2025
概括
本研究介绍了一种深度学习框架,用于优化半导体制造中的次分辨率辅助特性 (SRAF). 人工智能模型大大加速了SRAF的改进,提供了高模式保真性和降低计算成本.
科学领域:
- 半导体制造业 半导体制造业
- 计算式 lithography 的使用方法.
- 深度学习应用程序
背景情况:
- 亚分辨率辅助功能 (SRAF) 在先进的半导体制造中对于过程窗口的增强至关重要.
- 传统的SRAF安置方法面临速度模式忠实性的权衡,并为高级节点进行复杂的布局而扎.
研究的目的:
- 开发一个深度学习框架,以加速和改进SRAF形状的光学精细化.
- 克服传统SRAF放置方法在复杂布局的速度和准确性方面的局限性.
主要方法:
- 使用粗略的,二进制的SRAF模式作为输入,创建了一个大规模的数据集.
- 用一个针对光学性能优化的水平设置方法 (LSM) 来生成地面真实SRAF形状.
- 训练了一个U-Net卷积神经网络,将粗的SRAF输入映射到光学优化的输出.
主要成果:
- 与传统的基于CPU的方法相比,深度学习模型实现了多个数量级的加速.
- U-Net模型表现出比GPU加速算法显著更快的性能,同时保持高模式忠实度.
- 由U-Net生成的光学优化的SRAF显示高保真地图布局和可比的光学性能.
结论:
- 一个数据驱动的替代模型可以有效地取代SRAF光学改进的传统算法.
- 这种深度学习方法提供了一个有前途的解决方案,以减轻面具合成中的计算成本.
- 这些发现为未来的集成优化解决方案提供了基础.
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