168013 20260123152958.0 doi 10.1140/epjc/s10052-025-14940-1 sideral 147632 ART-2025-147632 eng Acerbi, F. Production, quality assurance and quality control of the SiPM Tiles for the DarkSide-20k Time Projection Chamber 2025 The DarkSide-20k dark matter direct detection experiment will employ a 21 m2 silicon photomultiplier (SiPM) array, instrumenting a dual-phase 50 tonnes liquid argon Time Projection Chamber (TPC). SiPMs are arranged into modular photosensors called Tiles, each integrating 24 SiPMs onto a printed circuit board (PCB) that provides signal amplification, power distribution, and a single-ended output for simplified readout. 16 Tiles are further grouped into Photo-Detector Units (PDUs). This paper details the production of the Tiles and the Quality Assurance and Quality Control (QA-QC) protocol established to ensure their performance and uniformity. The production and QA-QC of the Tiles are carried out at Nuova Officina Assergi (NOA), an ISO-6 clean room facility at LNGS. This process includes wafer-level cryogenic characterisation, precision die attaching, wire bonding, and extensive electrical and optical validation of each Tile. The overall production yield exceeds 83.5%, matching the requirements of the DarkSide-20k production plan. These results validate the robustness of the Tile design and its suitability for operation in a cryogenic environment. Access copy available to the general public Unrestricted info:eu-repo/grantAgreement/ES/AEI/PID2022-138357NB-C22 info:eu-repo/semantics/openAccess by https://creativecommons.org/licenses/by/4.0/deed.es info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Cebrian, S. Universidad de Zaragoza (orcid)0000-0002-6948-5101 Dylon, F. Franco, D. Hidalgo, C. Keloth, R. Leoni, A. Martinez, M. Universidad de Zaragoza (orcid)0000-0002-9043-4691 Ortiz de Solórzano, A. Universidad de Zaragoza (orcid)0000-0001-8278-6032 Queiroga Bazetto, M. Raffaelli, F. Sabia, M. A. Torres-Lara, S. Unzhakov, E. V. Ventura, P. Wada, M. Yang, C. Zykova, M. P. 2004 X Universidad de Zaragoza Dpto. Física Teórica Área Técnica. Lab. y Talleres 2004 390 Universidad de Zaragoza Dpto. Física Teórica Área Física Atóm.Molec.y Nucl. 85, 11 (2025), 1334 [27 pp.] Eur. phys. j., C The European Physical Journal C 1434-6044 5147842 http://zaguan.unizar.es/record/168013/files/texto_completo.pdf Versión publicada 2671098 http://zaguan.unizar.es/record/168013/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:168013 articulos driver 2026-01-23-14:33:25 ARTICLE