In-situ gamma irradiation testing of radiation hardened chips till 1 MGy David Geys, Ying Cao, Marco Van Uffelen, Laura Mont Casellas, Ludo Vermeeren and Andrei Gusarov EPJ Web Conf., 253 (2021) 03004 Published online: 19 November 2021 DOI: 10.1051/epjconf/202125303004