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Compact high flux neutron generator

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
A compact neutron generator has an ion source with a multi-hole spherical extraction system and a curved magnetic filter. A deuterium ion (or deuterium and tritium ion) plasma is produced by RF excitation in a plasma ion generator using an RF antenna. The multi-hole spherical extraction system of the ion source has three electrodes--plasma electrode, extraction electrode, suppressor electrode--which are used to expand a high current ion beam in a short distance. A large area spherical neutron generating target is positioned to receive the expanded ion beam from the ion generator. The extraction system and neutron generating target may alternatively be implemented with a cylindrical geometry instead of spherical, with slots instead of holes.
Leung, Ka-Ngo (Hercules, CA), Verbeke, Jerome Maurice (Sunnyvale, CA)
10/ 100,956
March 18, 2002
[0002] The United States Government has rights in this invention pursuant to Contract No. DE-AC03-76SF00098 between the United States Department of Energy and the University of California.