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Legacy Theses & Dissertations (2009 - 2024)

Theses/Dissertations

2011

Stress

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Applications Of Raman Spectroscopy For Silicon Stress Characterization In Integrated Circuits, Colin Mcdonough Jan 2011

Applications Of Raman Spectroscopy For Silicon Stress Characterization In Integrated Circuits, Colin Mcdonough

Legacy Theses & Dissertations (2009 - 2024)

The introduction of mechanical stress in Si-based integrated circuits (ICs), whether desired or undesired, is intrinsic to IC fabrication. The origins are diverse and result from the numerous materials, geometries, and processes involved in fabrication. These stresses can lead to such effects as delamination, void formation and migration, and fracture, and can significantly affect device performance. As a result, stress development is a major concern for reliability, process control, and device design. It is necessary to investigate and characterize the origins and levels of the induced stresses. A more complete fundamental understanding of the evolution of stress in ICs and …