Nano Science and Technology Institute
Nanotech 2004 Vol. 3
Nanotech 2004 Vol. 3
Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 3
 
Chapter 9: Characterization and Parameter Extraction
 

Burned Metal Phenomenon: A Study of Critical Factors and Their Effects on IC Devices during Parallel Lapping

Authors:P. Batteate and J.Y. Liao
Affilation:Nvidia, US
Pages:414 - 416
Keywords:IC failure analysis, parallel lapping
Abstract:Parallel lapping is widely employed in destructive physical analysis on semiconductor integrated circuits, to reveal defects isolated by electrical failure analysis tools and techniques. A clean sample surface is critical so that the analysts can accurately identify the real defects and not be misled by anomalies possibly introduced during deprocessing. Burned metal has been identified as one type of failure mechanism, caused by electrically overstressing the device. Its presence as failure mechanism is usually validated by electrical and circuit analysis. However, in some cases additional burned metal was also observed on areas unrelated to suspect locations. To understand this phenomenon, we carefully examined the procedure of parallel lapping and conducted a series of experiments to determine the cause and effects of critical factors on IC devices during parallel lapping.
Burned Metal Phenomenon: A Study of Critical Factors and Their Effects on IC Devices during Parallel LappingView PDF of paper
ISBN:0-9728422-9-2
Pages:561
Hardcopy:$79.95
 
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