1. Microelectronics Center of North Carolina (MCNC), Research Triangle Park, North Carolina 27709
2. Microelectronics Center of North Carolina, Research Triangle Park, North Carolina 27709 and Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, North Carolina 27695
3. Microelectronics Center of North Carolina, Research Triangle Park, North Carolina 27709 and MCNC Resident Professional, Bell Northern Research, Research Triangle Park, North Carolina 27709