Held in Sao Paulo, Brazil, from September 6 - September 9, 2010, the mission of the 25th Symposium on Microelectronics Technology and Devices ¿ SBMicro2010 was to share ideas and to point to new directions for future research and development. SBMicro offers researchers and practitioners a unique opportunity to share their perspectives with those interested in the various aspects of microelectronics. This issue of ECS Transactions continues the SBMicro tradition of being a premier forum for the presentation of leading edge research on process, devices, sensors and integrated circuit technology.