Institution: | (1) Naka Fusion Research Establishment, Japan Atomic Energy Research Institute (JAERI), Naka-machi, 319-11 Ibaraki, Japan;(2) Electron Tube and Devices Division, Toshiba Corporation, Otawara-shi, 324 Tochigi, Japan;(3) R and D Center Toshiba Corporation, Ukishima-cho, Kawasaki-shi, 210 Kanagawa, Japan |