期刊文献+

基于模型的光学校正系统的设计与实现 被引量:6

Design and implementation of model based optical correction system
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摘要 为了使光刻结果更好地符合版图设计,保证在硅片上制造出的电路在功能上与设计电路一致,提出了一种对掩模进行自动补偿的系统性技术.根据光刻机和光刻胶特性,模拟了实际的光刻过程.校正处理的核心是基于模型的掩模图形优化模块,通过调用光刻模拟器直接对输入待校正的掩模图形进行优化.最后通过对掩模版图的验证,保证校正后的掩模图形满足成像图形的精度要求.应用实例证明,该系统准确实现了版图的精确设计与校正. In order to make the lithographic results best correspond to the layout design, and preserve the functional correspondence between the designed circuit and the manufactured circuit, a systematic technique for model-based automatically compensating for mask was set up. The actual lithographic process was simulated according to the process conditions, such as lithographic tools and the property of resist. The correction core is model-based module for optimizing mask patterns, which directly optimizes input correcting patterns using the lithographic simulator. Through verifying the mask layout, it shows that the corrected patterns satisfy the precision of imaged patterns. The application example shows that the system can implement precisely the design and correction for layout.
出处 《浙江大学学报(工学版)》 EI CAS CSCD 北大核心 2004年第5期521-524,548,共5页 Journal of Zhejiang University:Engineering Science
基金 国家自然科学基金资助项目(60176015).
关键词 光刻模拟 光学邻近校正 移相掩模 Error correction Integrated circuit manufacture Lithography Masks Optical design
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