FIELD: physics.
SUBSTANCE: resonance accelerator drift tube has a housing with an axial aperture and an end cover, a lens on permanent magnets and a rod with inlet and outlet channels of a cooling system. The lens is fitted with formation of butt-end cavities in the housing of the tube. The rod is mounted on the outer surface of the housing. The housing is sealed by joining the housing with the cover using two annular vacuum-tight laser welding seams. One seam is in the region of the aperture and the second is on the outer diametre of the cover.
EFFECT: invention excludes processes for creating a vacuum in drift tube housings.
4 cl, 3 dwg
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