1. IBM Microelectronics Division, East Fishkill Facility, Hopewell Junction, New York 12533‐6531
2. The Pennsylvania State University, 228 Electrical Engineering West, University Park, Pennsylvania 16802
3. IBM Research Division, T.J. Watson Research Center, Yorktown Heights, New York 10598
4. Siemens Components, Inc., Iselin, New Jersey 08830