DEVICE FOR IRRADIATING POLYMERIC FILM IN NUCLEAR REACTOR BY URANIUM FISSION FRAGMENTS Russian patent published in 1995 - IPC

FIELD: manufacture of filter materials by irradiating in nuclear reactor. SUBSTANCE: device has heat-insulated irradiation chamber 1 placed inside nuclear reactor thermal column, chamber 2 with tape drive placed beyond thermal column, plates 3 coated with Uranium-235-containing layer with fission-fragment collimators 4, system 5 and 6 for vacuum pumping and filling irradiating apparatus with gas; irradiation chamber is provided with guide plate 8; plates 3 and guide plate 8 are equipped with cooling system; irradiation chamber and chamber incorporating tape drive are separated by vacuum seal 14. EFFECT: improved design. 2 dwg