Bongtae Han

Professor Bongtae Han is a Keystone Professor in the Department of Mechanical Engineering at the University of Maryland, College Park, and directs the Laboratory for Optomechanics and Micro/nano Semiconductor/Photonics Systems (LOMSS). His research focuses on semiconductor packaging reliability, experimental mechanics, and advanced material characterization. He holds affiliations with the Brain and Behavior Institute and has expertise in thermal management, moisture diffusion, and failure prognostics.

• Education: Ph.D. (Virginia Tech, 1991), M.S. (1983) and B.S. (1981) in Energy Resources Engineering from Seoul National University.

Research interests include advanced material characterization, reliability analysis of semiconductor packaging, adhesion analysis at critical interfaces, and experimental micro/nano-mechanics. His work spans automotive electronics, LED reliability, and cryogenic cooling systems. He has pioneered techniques like FBG sensor-based material testing and hybrid modeling for uncertainty analysis.

Notable awards include Fellowships from SEM and ASME, and recognition for contributions to LED technologies and packaging reliability. His lab (LOMSS) addresses design challenges for advanced semiconductor systems, emphasizing warpage prediction and material property characterization.

• Key Projects: Warpage prediction models, fiber Bragg grating sensor systems, and thermal analysis of high-power LEDs.