NEUTRON-PRODUCING TARGET Russian patent published in 2000 - IPC

FIELD: target-and-blanket systems with heavy-water moderator and coolant. SUBSTANCE: target unit is made of two parts; one of them is cylindrical outlet sleeve connected to bottom end of vertical ion conductor through nonsplit joint and provided with thin bottom window, maximum 1 mm thick, for beam outlet; other part is member fitted onto sleeve and used to receive charged particle beam ; it is cylinder-and-cone combination whose cylindrical part is finished on inner surface for press- fitting onto outlet sleeve; it has through hole in middle part and fastening members for separable attachment to outlet sleeve; conical part is closed on top through vacuum-tight joint by means of thin round plate of inlet window made in the form of stage mounted on tubular leg coaxial with cone which is fixed through sealed joint at bottom in hole of narrow truncated part of cone; this leg provides communication between space below cone and that above window plate. Charged particle beam receiving member is mounted on outlet sleeve of ion conductor so that distance between outlet window of outlet sleeve and inlet window of beam receiving member is 1-1.5 mm. EFFECT: improved service life and reliability, facilitated replacement of target. 1 dwg