Design of a flyback transformer using a stress-annealed iron-based nanocrystalline alloy F. Costa, F. Alves, A. Benchabi, F. Simon and S. Lefèbvre Eur. Phys. J. AP, 18 3 (2002) 173-180 Published online: 06 June 2002 DOI: 10.1051/epjap:2002038