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Efficient Spatial Pattern Analysis for Variation Decomposition Via Robust Sparse Regression

Author(s)
Zhang, Wangyang; Balakrishnan, Karthik; Li, Xin; Boning, Duane S.; Saxena, Sharad; Strojwas, Andrzej; Rutenbar, Rob A.; ... Show more Show less
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Abstract
In this paper, we propose a new technique to achieve accurate decomposition of process variation by efficiently performing spatial pattern analysis. We demonstrate that the spatially correlated systematic variation can be accurately represented by the linear combination of a small number of templates. Based on this observation, an efficient sparse regression algorithm is developed to accurately extract the most adequate templates to represent spatially correlated variation. In addition, a robust sparse regression algorithm is proposed to automatically remove measurement outliers. We further develop a fast numerical algorithm that may reduce the computational time by several orders of magnitude over the traditional direct implementation. Our experimental results based on both synthetic and silicon data demonstrate that the proposed sparse regression technique can capture spatially correlated variation patterns with high accuracy and efficiency.
Date issued
2013-06
URI
http://hdl.handle.net/1721.1/92431
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Microsystems Technology Laboratories
Journal
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Wangyang Zhang, K. Balakrishnan, Xin Li, D. S. Boning, S. Saxena, A. Strojwas, and R. A. Rutenbar. “Efficient Spatial Pattern Analysis for Variation Decomposition Via Robust Sparse Regression.” IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 32, no. 7 (July 2013): 1072–1085.
Version: Author's final manuscript
ISSN
0278-0070
1937-4151

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