Fabrication and Assembly of the Gyrotron Multistage Depressed Collector Prototype at KIT Ell, B.; Wu, C.; Feuerstein, L.; Gantenbein, G.; Illy, S.; Ruess, T.; Rzesnicki, T.; Stanculovic, S.; Thumm, M.; Weggen, J.; Jelonnek, J. 2024, April. 22th Joint Workshop on Electron Cyclotron Emission (ECE) and Electron Cyclotron Resonance Heating (ECRH 2024), Daejong, South Korea, April 22–26, 2024