High-count-rate 3He position-sensitive detector system: NEUNET-HCR Setsuo Sato, Tomohiro Seya, Hidetoshi Oshita, Hideto Kato, Noriyuki Hikida, Kazuya Ishizawa, Akinori Yamaguchi and Mitsugu Matsuura EPJ Web Conf., 231 (2020) 05004 Published online: 11 March 2020 DOI: 10.1051/epjconf/202023105004