Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/72180
Title: Warpage Detection during Baking of Semiconductor substrate in Microlithography
Authors: Ho, W.K. 
Tay, A. 
Lim, K.W. 
Zhou, Y.
Yang, K.
Keywords: Fault Detection
Microlithography
Temperature Measurement
Wafer Warpage
Issue Date: 2003
Source: Ho, W.K.,Tay, A.,Lim, K.W.,Zhou, Y.,Yang, K. (2003). Warpage Detection during Baking of Semiconductor substrate in Microlithography. IECON Proceedings (Industrial Electronics Conference) 3 : 2271-2276. ScholarBank@NUS Repository.
Abstract: Wafer warpage is common in microelectronics processing. Warped wafers can affect device performance, reliability and linewidth control in various processing steps. We proposed in this paper an in-situ fault detection technique for wafer warpage in microlithography. Early detection will minimize cost and processing time. Based on first principle thermal modeling, we are able to detect warpage fault from available temperature measurements. Experimental results demonstrate the feasibility of the approach. The proposed approach is applicable to other semiconductor substrates.
Source Title: IECON Proceedings (Industrial Electronics Conference)
URI: http://scholarbank.nus.edu.sg/handle/10635/72180
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