Space Solar Cells – 3G30 and Next Generation Radiation Hard Products W. Guter, F. Dunzer, L. Ebel, K. Hillerich, W. Köstler, T. Kubera, M. Meusel, B. Postels and C. Wächter E3S Web Conf., 16 (2017) 03005 Published online: 23 May 2017 DOI: 10.1051/e3sconf/20171603005