Device and method for rapidly measuring the activity of nuclear isotopes contained within a cylindrical enclosure using the current output from a lead self-powered detector element
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United States of America Patent
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Apr 2, 2024
Grant Date -
Oct 26, 2023
app pub date -
Apr 21, 2022
filing date -
Apr 21, 2022
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Abstract
A radioactivity measurement device for measuring an activity level of a radioisotope source is provided. The radioactivity measurement device comprises a housing and a self-powered detector. The housing comprises an outer shell and an inner shell, wherein the inner shell is adapted to house an insertable radioisotope source, and wherein the outer shell and the inner shell are configured to form a hollow annular region. The self-powered detector, positioned within the hollow annular region of the housing, comprises at least one tubular emitter configured to provide a source of electron emission proportional to a radioisotope activity level of the insertable radioisotope source and at least one tubular collector configured to sink the electron emission. A radioactivity level measurement system comprising at least one radioactivity measurement device, a shipping cask incorporating the radioactivity level measurement system and a method for shipping the shipping cask are also provided.
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