image: Reactive stamps remove molecules from surfaces to create precise nanoscale patterns. This image relates to a paper that appeared in the September 21, 2012, issue of Science, published by AAAS. The paper, by Wei-Ssu Liao at University of California, Los Angeles in Los Angeles, Calif., and colleagues was titled, "Subtractive Patterning via Chemical Lift-Off Lithography." view more
Credit: Image courtesy of Sarawut Cheunkar, Paul Weiss, Anne Andrews, UCLA