Writing I (video) University of Illinois College of Engineering Loading video... Caption This is a video demonstrating scanning-stage-based exposure, whereby programmed motion of a microscope stage is used to write the University's "Block I" logo into the plasmonic film. Each bar in the letter is approximately 6 micrometers across. Credit Toussaint Research Group Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.