Abstract–
The use of scintillators of micron thickness attached to the input windows of photomultiplier tubes (PMTs) makes it possible to create ion detectors with low sensitivity to neutrons and gamma rays. The manufacturing technology of such detectors based on the CsI(Tl) scintillator and Hamamatsu H8500D multianode PMT is described. The main steps of the process are considered, including vacuum thermal deposition of a scintillator onto substrates, gluing substrates to the PMT window, and quality control of the manufactured samples. The technology was developed for the manufacture of detectors for the neutral particle diagnostic system on the ITER tokamak reactor.
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Funding
This work was partially funded under the state contract dated Desember 26, 2018 no. N.4a.241.19.19.1009 between the Rosatom State Atomic Energy Corporation and Institution “Project Center ITER”. Part of the work related to the study of the characteristics of the manufactured detectors was performed as part of the state assignment of the Ioffe Institute (topic no. 0040-2019-0023).
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Melnik, A.D., Afanasyev, V.I., Kozlovsky, S.S. et al. Development of a Manufacturing Technology for Detectors of the Neutral Particle Diagnostic System on the Tokamak. Instrum Exp Tech 63, 205–208 (2020). https://doi.org/10.1134/S0020441220020025
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DOI: https://doi.org/10.1134/S0020441220020025