G - Physics – 01 – T
Patent
G - Physics
01
T
358/32
G01T 3/08 (2006.01) G01T 3/00 (2006.01) H01L 31/08 (2006.01)
Patent
CA 1085066
TITLE A SELF-POWERED NEUTRON AND GAMMA-RAY FLUX DETECTOR INVENTORS Colin J. Allan Ross B. Shields Gerard F. Lynch Jerry M. Cuttler ABSTRACT OF THE DISCLOSURE A self-powered neutron and gamma-ray flux detec- tor is provided wherein the emitter comprises an emitter core of at least one material selected from nickel, iron, titanium and alloys based on these metals, and an emitter outer layer around the core of at least one material selec- ted from platinum, tantalum, osmium, molybdenum and cerium. With this construction, by increasing the emitter diameter beyond the optimum for a solid platinum emitter, the ratio of neutron to gamma-ray sensitivity, and hence the prompt response fraction, is increased while an acceptably small burnup rate is maintained. Larger diameter emitters of this construction have response characteristics that closely match those required for a fuel power detector in, for example, heavy-water-moderated, natural-uranium power reactors. The emitter core is preferably of Inconel (Trade- mark) and the emitter jacket is preferably of platinum.
301514
Allan Colin J.
Cuttler Jerry M.
Lynch Gerard F.
Shields Ross B.
Her Majesty In Right Of Canada As Represented By Atomic Energy O
Lemon F.w.
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