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Novel Surface-Mounted Neutron Generator

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12 Author(s)
Elizondo-Decanini, J.M. ; Sandia Nat. Labs., Albuquerque, NM, USA ; Schmale, D. ; Cich, M. ; Martinez, M.
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A deuterium-tritium base reaction pulsed neutron generator packaged in a flat computer chip shape of 1.54 cm (0.600 in) wide by 3.175 cm (1.25 in) long and 0.3 cm (0.120 in) thick has been successfully demonstrated to produce 103 neutrons per pulse (14 MeV) in a 0.5- μs pulse. The neutron generator is based on a deuterium ion beam accelerated to impact a tritium-loaded target. The accelerating voltage is in the 15- to 20-kV range with a 3-mm (0.120 in) gap, and the ion beam is shaped by using a lens design to produce a flat ion beam that conforms to the flat rectangular target. The ion source is a simple surface-mounted deuterium-filled titanium film with a fused gap that operates at a current-voltage design to release the deuterium during a pulselength of about 1 μs. We present some of the preliminary results and the general description of the working prototypes, which we have labeled the “NEUTRISTOR.”

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Plasma Science, IEEE Transactions on  (Volume:40 ,  Issue: 9 )