Cathode Plug for the Injector (image) American Institute of Physics Share Print E-Mail Caption This is a photograph of a cathode plug for the injector, with an UNCD film deposited on top. Credit Sergey Baryshev/Euclid TechLabs Usage Restrictions This image may be used only with appropriate caption and credit. Share Print E-Mail 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.