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PORTABLE LOW ENERGY NEUTRON SOURCE FOR HIGH SENSITIVITY MATERIAL CHARACTERIZATION

United States Patent Application

20110176648
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
A portable neutron generator includes a Radio Frequency Quadrupole linear accelerator designed to accelerate charged particles of hydrogen (protons) to energies useful for producing neutrons with the (p,n) reaction on lithium. The ion source is driven by a coaxial feed and a spiral antenna to couple the microwave power into the plasma. The linear accelerator is driven by a 600 MHz pulsed RF power supply. A differential pumping scheme is used to balance the need for a high gas load on the ion source end and good vacuum on the accelerator end.
Rowland, Mark S. (Alamo, CA), Stoeffi, Wolfgang (Livermore, CA), Hamm, Robert Wray (Pleasanton, CA)
12/ 976,216
December 22, 2010
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC.