Eddy current testing system for bottom mounted instrumentation welds Noriyasu Kobayashi, Souichi Ueno, Naotaka Suganuma, Tatsuya Oodake, Takeshi Maehara, Takashi Kasuya and Hiroya Ichikawa EPJ Nuclear Sci. Technol., 1 (2015) 4 Published online: 05 December 2015 DOI: 10.1051/epjn/e2015-50043-1