Pic 1 (IMAGE) National Research Council of Science & Technology Caption Research team under the KRISS Semiconductor and Display Metrology Group (Principal researchers Byong Sun Chun and Sang Jun Lee) Credit Korea Research Institute of Standards and Science (KRISS) Usage Restrictions The sources of photos and research results from KRISS must be specified. 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.