Berka, ElisabethWulfkühler, Jan-PhilippTajmar, Martin2025-12-192025-12-192025-12-19https://opara.zih.tu-dresden.de/handle/123456789/1918https://doi.org/10.25532/OPARA-1053Ignition and operation testing of the hollow cathode electron emitter (HCE) designed at the Institute of Aerospace Engineering of TUD Dresden University of Technology for the E.T.PACK-Fly in-orbit demonstration (IOD) mission with a C12A7:e- electron emitter. Testing conducted in triode mode with different laboratory electronics (e.g., 100–300 µF), krypton gas, and variable operating parameters (i.e., emission current and mass flow rate).Attribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/4::43::406::406-014::43::405::405-03