Roller printing results (IMAGE) Optica Caption Researchers developed a continuous roller printing process that can pick up and transfer over 75,000 micrometer-scale semiconductor devices in a single roll with very high accuracy. An optical microscopy image of the roller transfer printing results is shown. Credit Eleni Margariti, University of Strathclyde Usage Restrictions None License Original content 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.