Willem Dirk van Driel is the Solid State Lightning Reliability Program Manager for Philips Lighting Eindhoven, and is Assistant Professor of Micro/Nano Reliability at Delft University of Technology, in the Electronic Components, Technology and Materials Department.Xuejun Fan is Professor in the Department of Mechanical Engineering at Lamar University.G.Q. Zhang is Professor of Micro/Nanoelectronics, System Integration and Reliability (MSI&R) at the Delft University of Technology.