John H. Lau, Ph.D., P.E., IEEE Fellow, ASME Fellow is a senior engineer in the microsystems, modules, and components laboratory at the Institute of Microelectronics(IME) in Singapore.

Cheng Kuo Lee is at the National University of Singapore.

C. S. Premachandran is at the Institute of Microelectronics in Singapore.

Yu Aibin is at the Institute of Microelectronics in Singapore.