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Solid Target System with In-Situ Target Dissolution

1
Advanced Systems Designs Inc., Garden Bay, BC V0N 1S1, Canada
2
Deptment of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
*
Author to whom correspondence should be addressed.
Instruments 2019, 3(1), 14; https://doi.org/10.3390/instruments3010014
Received: 27 December 2018 / Revised: 5 February 2019 / Accepted: 5 February 2019 / Published: 11 February 2019
(This article belongs to the Special Issue Instruments and Methods for Cyclotron Produced Radioisotopes)
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Abstract

A significant number of medical radioisotopes use solid, often metallic, parent materials. These materials are deposited on a substrate to facilitate the cooling and handling of the target during placing, irradiation, and processing. The processing requires the transfer of the target to a processing area outside the irradiation area. In this new approach the target is processed at the irradiation site for liquid only transport of the irradiated target material to the processing area. The design features common to higher energy production target systems are included in the target station. The target is inclined at 14 degrees to the beam direction. The system has been designed to accept an incident beam of 15 to 16 mm diameter and a beam power between 2 and 5 kW. Thermal modeling is presented for targets of metals and compounds. A cassette of five or 10 prepared targets is housed at the target station as well as a target dissolution assembly. Only the dissolved target material is transported to the chemistry laboratory so that the design does not require additional irradiation area penetrations. This work presents the design, construction, and modeling details of the assembly. A full performance characterization will be reported after the unit is moved to a cyclotron facility for beam related measurements. View Full-Text
Keywords: radioisotopes; medical radioisotopes; radioisotope targetry; solid radioisotope targets; radioisotope target processing; medical cyclotrons radioisotopes; medical radioisotopes; radioisotope targetry; solid radioisotope targets; radioisotope target processing; medical cyclotrons
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Gelbart, W.Z.; Johnson, R.R. Solid Target System with In-Situ Target Dissolution. Instruments 2019, 3, 14.

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