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Improvement in the Design and Performance of the Monopix2 Reticle-Scale DMAPS
/ Caicedo, Ivan (Bonn U.) ; Barbero, Marlon (Marseille, CPPM) ; Barrillon, Pierre (Marseille, CPPM) ; Bespin, Christian (Bonn U.) ; Berdalovic, Ivan (CERN) ; Breugnon, Patrick (Marseille, CPPM) ; Cardella, Roberto (CERN) ; Degerli, Yavuz (IRFU, Saclay) ; Dingfelder, Jochen (Bonn U.) ; de Acedo, Leyre Flores Sanz (CERN) et al.
“LF-Monopix2” and “TJ-Monopix2” are the second generation of “Monopix” Depleted Monolithic Active Pixel Sensor prototypes fabricated in 150 nm and 180 nm CMOS processes, respectively. Both devices implement a fully functional column-drain read-out architecture at a reticle-size scale, but differ on the concept used for pixel design. [...]
2024 - 13 p.
- Published in : JPS Conf. Proc. 42 (2024) 011021
Fulltext: PDF;
In : The International Workshop on Vertex Detectors (VERTEX 2022), Tateyama, Japan, 24 - 28 Oct 2022, pp.011021
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Development and characterization of a DMAPS chip in TowerJazz 180 nm technology for high radiation environments
/ Bespin, Christian (Bonn U.) ; Berdalovic, Ivan (CERN ; Zagreb U.) ; Caicedo, Ivan (Bonn U.) ; Cardella, Roberto (CERN) ; Dingfelder, Jochen (Bonn U.) ; Flores, Leyre (CERN) ; Hemperek, Tomasz (Bonn U.) ; Krüger, Hans (Bonn U.) ; Kugathasan, Thanushan (CERN) ; Marin Tobon, Cesar (CERN) et al.
The increasing availability of commercial CMOS processes with high-resistivity wafers has fueled the R&D; of depleted monolithic active pixel sensors (DMAPS) for use in high energy physics experiments. One of these developments is a series of monolithic pixel detectors with column-drain readout architecture and small collection electrode allowing for low-power designs (TJ-Monopix). [...]
2022 - 6 p.
In : Vienna Conference on Instrumentation, Online, Online, 21 - 25 Feb 2022, pp.167189
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Latest developments and characterisation results of the MALTA sensors in TowerJazz 180nm for High Luminosity LHC
/ Sharma, Abhishek (CERN) ; Allport, Phil (Birmingham U.) ; Asensi, Ignacio (Valencia U. ; Valencia U., IFIC) ; Berdalovic, Ivan (Zagreb U.) ; Bortoletto, Daniela (Oxford U.) ; Buttar, Craig (Glasgow U.) ; Cardella, Roberto (Geneva U.) ; Dachs, Florian (CERN) ; Dao, Valerio (CERN) ; Dobrijevic, Dominik (Zagreb U.) et al.
The MALTA sensors are Depleted Monolithic Active Pixel Sensors (DMAPS) made using 180nm TowerJazz CMOS technology. These have been iteratively designed towards achieving a high radiation tolerance for applications such as in the outer layers of the HL-LHC’s ATLAS Inner Tracker. [...]
2022 - 7 p.
- Published in : PoS EPS-HEP2021 (2022) 818
Fulltext: PDF;
In : European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021, pp.818
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A 1$\mu$W Radiation-Hard Front-End in a 0.18-$\mu$m CMOS Process for the MALTA2 Monolithic Sensor
/ Piro, F (CERN ; Ecole Polytechnique, Lausanne) ; Allport, P (Birmingham U.) ; Asensi, I (CERN) ; Berdalovic, I (CERN ; U. Zagreb (main)) ; Bortoletto, D (Oxford U.) ; Buttar, C (Glasgow U.) ; Cardella, R (CERN ; U. Geneva (main)) ; Charbon, E (Montreal, Ecole Polytechnique) ; Dachs, F (CERN) ; Dao, V (CERN) et al.
In this article, a low-power, radiation-hard front-end circuit for monolithic pixel sensors, designed to meet the requirements of low noise and low pixel-to-pixel variability, the key features to achieve high detection efficiencies, is presented. The sensor features a small collection electrode to achieve a small capacitance (<5 fF) and allows full CMOS in-pixel circuitry. [...]
2022 - 11 p.
- Published in : IEEE Trans. Nucl. Sci.
- Published in : (2022)
Fulltext: PDF;
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Latest Developments and Results of Radiation Tolerance CMOS Sensors with Small Collection Electrodes
/ Tortajada, I Asensi (CERN ; Valencia U.) ; Allport, P (Birmingham U.) ; Barbero, M (Marseille, CPPM) ; Barrillon, P (Marseille, CPPM) ; Berdalovic, I (CERN ; Zagreb U., Phys. Dept.) ; Bespin, C (Bonn U.) ; Bhat, S (Marseille, CPPM) ; Bortoletto, D (Oxford U. ; JAI, UK) ; Breugnon, P (Marseille, CPPM) ; Buttar, C (Glasgow U.) et al.
This contribution will present the latest developments after the MALTA and Mini-MALTA sensors. It will illustrate the improvements and results of the Czochralski substrate with a bigger depletion zone to improve efficiency. [...]
2021 - 8 p.
- Published in : JPS Conf. Proc. 34 (2021) 010009
Fulltext: PDF;
In : 29th International Workshop on Vertex Detectors, Virtual, Japan, 5 - 8 Oct 2020, pp.010009
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Radiation hardness and timing performance in MALTA monolithic pixel sensors in TowerJazz 180 nm
/ van Rijnbach, M (CERN ; Oslo U.) ; Allport, P (Birmingham U.) ; Asensi, I (Valencia U.) ; Berdalovic, I (Zagreb U.) ; Bortoletto, D (Oxford U.) ; Buttar, C (Glasgow U.) ; Cardella, R (Geneva U.) ; Dachs, F (CERN) ; Dao, V (CERN) ; Denizli, H (Abant Izzet Baysal U.) et al.
The MALTA family of depleted monolithic pixel sensors produced in TowerJazz 180 nm CMOS technology target radiation hard applications for the HL-LHC and beyond. Several process modifications and front-end improvements have resulted in radiation hardness >10$^{15}$ 1 MeV n$_{eq}$/cm$^{2}$ and time resolution below 2 ns, with uniform charge collection and efficiency across the pixel of size 36.4 × 36.4 µm$^{2}$ with small collection electrode. [...]
2022 - 8 p.
- Published in : JINST 17 (2022) C04034
Fulltext: PDF;
In : TWEPP 2021 Topical Workshop on Electronics for Particle Physics, Online, Online, 20 - 24 Sep 2021, pp.C04034
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Progress in DMAPS developments and first tests of the Monopix2 chips in 150 nm LFoundry and 180 nm TowerJazz technology
/ Dingfelder, J (Bonn U.) ; Barbero, M (Marseille, CPPM) ; Barrillon, P (Marseille, CPPM) ; Berdalovic, I (CERN) ; Bespin, C (Bonn U.) ; Breugnon, P (Marseille, CPPM) ; Caicedo, I (Bonn U.) ; Cardella, R (CERN) ; Degerli, Y (IRFU, Saclay) ; Flores Sanz de Acedo, L (CERN) et al.
Depleted Monolithic Active Pixel Sensors (DMAPS) are monolithic pixel detectors with high-resistivity substrates designed for use in high-rate and high-radiation environments. They are produced in commercial CMOS processes, resulting in relatively low production costs and short turnaround times, and offer a low material budget. [...]
2022 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1034 (2022) 166747
In : 30th International Workshop on Vertex Detectors (VERTEX 2021), Online, UK, 27 - 30 Sep 2021, pp.166747
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Studies for low mass, large area monolithic silicon pixel detector modules using the MALTA CMOS pixel chip
/ Riedler, P (CERN) ; Asensi Tortajada, I (Valencia U., IFIC) ; Barbero, M B (Marseille, CPPM) ; Berdalovic, I (Zagreb U.) ; Buttar, C (Glasgow U.) ; Cardella, R (Oslo U.) ; Dachs, F (CERN) ; Dao, V (CERN) ; Dyndal, M (CERN) ; Flores Sanz de Acedo, L (Glasgow U.) et al.
The MALTA monolithic silicon pixel sensors have been used to study dicing and thinning of monolithic silicon pixel detectors for large area and low mass modules. Dicing as close as possible to the active circuitry will allow to build modules with very narrow inactive regions between the sensors. [...]
2021 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 990 (2021) 164895
In : 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD), Hiroshima, Japan, 14 - 18 Dec 2019, pp.164895
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Depleted Monolithic Active Pixel Sensors in the LFoundry 150 nm and TowerJazz 180 nm CMOS Technologies
/ Wang, T (Bonn U.) ; Barbero, M (Marseille, CPPM) ; Barrillon, P (Marseille, CPPM) ; Berdalovic, I (CERN) ; Bespin, C (Bonn U.) ; Bhat, S (Marseille, CPPM) ; Breugnon, P (Marseille, CPPM) ; Caicedo, I (Bonn U.) ; Cardella, R (CERN) ; Chen, Z (Marseille, CPPM) et al.
The monolithic CMOS pixel sensor for charged particle tracking has already become a mainstream technology in high energy particle physics (HEP) experiments. During the last decade, progressive improvements have been made for CMOS pixels to deal with the high-radiation and high-rate environments expected, for example, at the future High Luminosity LHC. [...]
SISSA, 2020 - 10 p.
- Published in : PoS Vertex2019 (2020) 026
Fulltext from Publisher: PDF;
In : Vertex 2019: 28th International Workshop on Vertex Detectors, Lopud Island, Croatia, 13 - 18 Oct 2019, pp.026
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