eXTP Large Area Detector: Qualification procedure of the mass production

被引:4
|
作者
Rachevski, A. [1 ]
Antonelli, M. [1 ]
Bellutti, P. [2 ,3 ]
Bonvicini, V. [1 ]
Borghi, G. [2 ,3 ]
Campana, R. [4 ]
Ceraudo, F. [5 ]
Cirrincione, D. [1 ,6 ]
Del Monte, E. [5 ,7 ]
Evangelista, Y. [5 ,7 ]
Feroci, M. [5 ,7 ]
Ficorella, F. [2 ,3 ]
Orzan, G. [1 ]
Pepponi, G. [2 ,3 ]
Picciotto, A. [2 ,3 ]
Rashevskaya, I. [3 ]
Zampa, G. [1 ]
Zampa, N. [1 ]
Zorzi, N. [2 ,3 ]
Vacchi, A. [6 ]
机构
[1] INFN Trieste, Padriciano 99, I-34149 Trieste, Italy
[2] Fdn Bruno Kessler, Via Sommar 18, I-38123 Trento, Italy
[3] TIFPA INFN, Via Sommar 14, I-38123 Trento, Italy
[4] INAF OAS, Via Piero Gobetti 93-3, I-40129 Bologna, Italy
[5] INAF IAPS, Via Fosso Cavaliere 100, I-00133 Rome, Italy
[6] Univ Udine, DMIF, Via Sci 206, I-33100 Udine, Italy
[7] INFN Roma Tor Vergata, Via Ric Sci 1, I-00133 Rome, Italy
关键词
X-ray spectroscopy; Silicon drift detectors;
D O I
10.1016/j.nima.2022.167750
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A 7.24 x 12.03 cm2 sensor, Silicon Drift Detector (SDD), has been developed for the enhanced X-ray Timing and Polarimetry (eXTP) mission of the Chinese Academy of Science, with a large contribution by a European consortium inherited from the ESA-M3 LOFT mission study. In the frame of the project X-ray Observatories (XRO), active in the National Scientific Commission 2 of the INFN, we report the details of the qualification procedure to select from the mass production the 640 sensors that will equip the Large Area Detector (the eXTP instrument dedicated to the X-ray spectroscopy in the range 2-30 keV), with energy resolution below 240 eV FWHM at 6 keV during the entire mission duration of at least 5 years. This stringent requirement dictates the need to thoroughly verify the characteristics of each single sensor before integration in the final layout. We describe the dedicated testing facilities that have been developed. We report on the detector selection criteria and test results obtained in the pre-series production.
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页数:2
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