SEM Image of Gold/Germanium-Coated Paper (IMAGE) American Institute of Physics Caption This is a scanning electron microscope image of gold/germanium-coated paper. The paper fibers are roughly 10 micrometers in diameter. Credit M. Kats / Harvard 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.