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Uncover the diffusion mechanism of atoms during electromigration test using non-stationary noise analysis

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4 Author(s)
Shin Yeh Lim ; Sch. of Electron. & Electr. Eng., Nanyang Technol. Univ., Singapore, Singapore ; Cher Ming Tan ; P. Krishnamachar ; Dao Hua Zhang

A non-stationary signal processing method - smoothed pseudo Wigner-Ville distribution (SPWD) is employed to investigate the frequency exponent variation and frequency characteristic trend of the electromigration noise. Comparison of the results by both the stationary signal processing tool-Fourier transform and SPWD-will be presented. It is found that the non-stationary analysis is more suitable in interpreting the noise of highly dynamic process like electromigration.

Published in:

Solid-State and Integrated-Circuit Technology, 2001. Proceedings. 6th International Conference on  (Volume:2 )

Date of Conference:

22-25 Oct. 2001