Mark Tillack (IMAGE) University of California - San Diego Caption Mark Tillack, a UC San Diego mechanical and aerospace engineering scientist, is developing laser-produced light sources for next generation Extreme Ultraviolet Lithography. Credit University of California, San Diego Usage Restrictions None License Licensed 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.