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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/63663
標題: | 直接散射術微影模型校正 Direct-Scatterometry-Enabled Lithography Model Calibration |
作者: | Chih-Yu Chen 陳志宇 |
指導教授: | 蔡坤諭(Kuen-Yu Tsai) |
關鍵字: | 微影,散射術,瞳像,程序模型校正,鄰近效應, lithography,scatterometry,pupil image,process model calibration,proximity effect, |
出版年 : | 2012 |
學位: | 碩士 |
摘要: | Optical scatterometry is crucial to advanced nodes due to its ability of non-destructively and rapidly retrieving accurate 3D profile information. In recent years, an angle-resolved polarized reflectometry-based scatterometry which can measure critical dimensions, overlay, and focus in single shot has been developed. In principle, a microscope objective collects diffracted light, and pupil images are collected by a detector. For its application of calibrating lithography models, the pupil images are fit to a database pre-characterized usually by rigorous electromagnetic simulation to estimate dimensional parameters of developed resist profiles. The estimated dimensional parameters can then be used for lithography model calibration. In this work, we propose a new method to calibrate lithography models without needing dimensional parameter estimation. This method can be used to calibrate both rigorous physical models for process and equipment development and monitoring, and fast kernel-based models for full-chip proximity effect simulation and correction. |
URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/63663 |
全文授權: | 有償授權 |
顯示於系所單位: | 電機工程學系 |
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