METHOD OF ASSEMBLING SEALED NEUTRON TUBES Russian patent published in 2009 - IPC H05H3/06 

FIELD: nuclear technology.

SUBSTANCE: invention relates to field of nuclear technology, in particular to neutron generators, and can be used in a number of applications, for instance in neutron tubes for logging research. Method of assembling sealed neutron tubes includes production of tubular high-voltage insulator and metal cups, hermetic fixation of cups on ends of high-voltage insulator, temporary installation of ion source on one of the cups and accelerating electrode on the other cup, centering ion source relative to accelerating electrode, rigid fixation of ion source and accelerating electrode on the cups and sealing tube on cup edges. Butts of tubular high-voltage insulator are grinded to their plane-parallel position perpendicular to tubular high-voltage insulator axis. Internal diametre of high-voltage insulator is turned from both butts. Ion source and accelerating electrode are fixed on central parts of collar flanges. Flanges are centered in turnings.

EFFECT: invention allows to reduce relative displacement of ion source and accelerating electrode, to reduce beam deviation from axis, to increase neutron output.

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