Radioactive fine particle manufacturing system and method
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United States of America Patent
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Jun 27, 2023
Grant Date -
N/A
app pub date -
Mar 9, 2018
filing date -
Mar 23, 2017
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Abstract
A radioactive fine particle manufacturing system and method to manufacture physically stable radioactive fine particles, and which enables performance evaluation of a radioactivity measuring instrument employing a physical indicator, by controlling radioactivity concentration, and facilitating performance evaluation of the overall radioactivity measuring instrument. The radioactive fine particle manufacturing system includes a radioactive gas generating system, a specific particle-sized aerosol generating system and a mixing chamber, to manufacture radioactive fine particles employing natural radioactive nuclides, and uses. 220Rn to manufacture radioactive fine particles using physically stable progeny nuclides. In the mixing chamber, the progeny nuclides are caused to attach only to an aerosol having a specific particle size, to generate radioactive fine particles having a specific particle size.
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