G21BFUSION REACTORS uncontrolled reactors G21J G21B1/00 G21B1/00Thermonuclear fusion reactors G21B1/01Hybrid fission-fusion nuclear reactors G21B1/03with inertial plasma confinement G21B1/05with magnetic or electric plasma confinement G21B1/052reversed field configuration G21B1/055Stellarators G21B1/057Tokamaks G21B1/11Details G21B1/115Tritium recovery G21B1/13First wallBlanketDivertor G21B1/15Particle injectors for producing thermonuclear fusion reactions, e.g. pellet injectors G21B1/17Vacuum chambersVacuum systems G21B1/19Targets for producing thermonuclear fusion reactions, e.g. pellets for irradiation by laser or charged particle beams G21B1/21Electric power supply systems, e.g. for magnet systems, switching devices, storage devices, circuit arrangements methods or means for discharging superconducting storage windings H01F6/003 G21B1/23Optical systems, e.g. for irradiating targets, for heating plasma or for plasma diagnostics G21B1/25Maintenance, e.g. repair or remote inspection G21B3/00Low temperature nuclear fusion reactors, e.g. alleged cold fusion reactors G21B3/002Fusion by absorption in a matrix G21B3/004Catalyzed fusion, e.g. muon-catalyzed fusion G21B3/006Fusion by impact, e.g. cluster/beam interaction, ion beam collisions, impact on a target G21B3/008Fusion by pressure waves