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31. Workshop on Quantitative Tools for Condition Assessment of Aging Infrastructure
NIST Interagency/Internal Report (NISTIR)
Ward L Johnson, Thomas Allen Siewert, Jessica Terry, Dat Duthinh, Mark A Iadicola, William E Luecke, Joseph David McColskey
The Quantitative Tools for Condition Assessment of Aging Infrastructure Workshop was held May 4-5, 2010, in Boulder, Colorado. It was organized by a team of researchers within the National Institute of Standards and Technology s (NIST) Materials Scie ...
32. X-Ray Micro-Beam Diffraction Determination of Full Stress Tensors in Cu TSVs
Chukwudi Azubuike Okoro, Lyle E Levine, Oleg A Kirillov, Yaw S Obeng, Ruqing Xu, Jonathan Z Tischler, Wenjun Liu, Klaus Hummler
We report the first non-destructive, depth resolved determination of the full stress tensor in Cu through-silicon vias (TSVs), using synchrotron based micro-beam X-ray diffraction. Two adjacent Cu TSVs were studied; one deliberately capped with SiO2, ...
33. X-Ray Micro-Beam Diffraction Measurement of the Effect of Thermal Cycling on Stress in Cu TSV: A Comparative Study
Chukwudi Azubuike Okoro, Lyle E Levine, Yaw S Obeng, Klaus Hummler, Ruqing Xu
Microelectronic devices are subjected to constantly varying temperature conditions during their operational lifetime, which can lead to their failure. In this study, we examined the impact of thermal cycling on the evolution of stresses in Cu TSVs us ...