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Fusion Science and Technology
November 2025
Latest News
Deep Fission to break ground this week
With about seven months left in the race to bring DOE-authorized test reactors on line by July 4, 2026, via the Reactor Pilot Program, Deep Fission has announced that it will break ground on its associated project on December 9 in Parsons, Kansas. It’s one of many companies in the program that has made significant headway in recent months.
Toshihide Tsunematsu, Masahiro Seki, Hiroshi Tsuji, Kiyoshi Okuno, Takashi Kato, Kiyoshi Shibanuma, Masaya Hanada, Kazuhiro Watanabe, Keishi Sakamoto, Tsuyoshi Imai, Koichiro Ezato, Masato Akiba
Fusion Science and Technology | Volume 42 | Number 1 | July 2002 | Pages 75-93
Technical Paper | doi.org/10.13182/FST02-A214
Articles are hosted by Taylor and Francis Online.
Japanese contributions to ITER engineering design activities are presented, together with an introduction of the objectives and design of the ITER, whose program has been carried out through international collaboration by the European Union, Japan, Russian Federation, and the United States. New technologies have been produced through the development, fabrication, and testing of scalable models in the fields of superconducting magnets, reactor structures with vacuum vessels, remote-maintenance machines, high-heat-flux plasma facing components, neutral beam injectors, high-power millimetre-wave generators, etc. As major contributions from Japan, development and testing results of a 13-T, 640-MJ, Nb3Sn pulsed magnet; an 18-deg sector of a vacuum vessel with a height of 15 m and a width of 9 m; CFC armor for a CuCrZr cooling tube that withstood 20 MW/m2; a 31 mA/cm2 negative ion beam source; a 1-MeV beam accelerator; and a 1-MW 170-GHz gyrotron are described.
