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Various chips for the silicon sensors measurements are described. These chips are based on 0.35 um and 0.18um CMOS technology. Several analog chips together with self-trigger /derandomizer one allow to measure silicon sensors designed for…

Instrumentation and Detectors · Physics 2009-10-13 E. Atkin , A. Kluev , A. Silaev , A. Fedenko , D. Karmanov , M. Merkin , A. Voronin

Swift, high resolution CMOS pixel sensors are being developed for the ILC vertex detector, aiming to allow approaching the interaction point very closely. A major issue is the time resolution of the sensors needed to deal with the high…

CMOS Pixel Sensors tend to become relevant for a growing spectrum of charged particle detection instruments. This comes mainly from their high granularity and low material budget. However, several potential applications require a higher…

This paper reports on the sensor R&D activity for the CMS pixel detector. Devices featuring several design and technology options have been irradiated up to a proton fluencec of 1E15 n_eq/cm**2 at the CERN PS. Afterward they were bump…

Highly granular pixel detectors allow for increasingly precise measurements of charged particle tracks. Next-generation detectors require that pixel sizes will be further reduced, leading to unprecedented data rates exceeding those foreseen…

The pixel detectors for the High Luminosity upgrades of the ATLAS and CMS detectors will preserve digitized charge information in spite of extremely high hit rates. Both circuit physical size and output bandwidth will limit the number of…

Instrumentation and Detectors · Physics 2018-09-26 Yitian Chen , Evan Frangipane , Maurice Garcia-Sciveres , Laura Jeanty , Benjamin Nachman , Simone Pagan Griso , Fuyue Wang

The CMS inner pixel detector system is planned to be replaced during the first phase of the LHC luminosity upgrade. The plans foresee an ultra low mass system with four barrel layers and three disks on either end. With the expected increase…

Instrumentation and Detectors · Physics 2019-08-13 Carlotta Favaro

The CMS silicon tracker consists of two tracking devices utilizing semiconductor technology: the inner pixel and the outer strip detectors. They operate in a high-occupancy and high-radiation environment presented by particle collisions in…

Instrumentation and Detectors · Physics 2019-08-13 Viktor Veszpremi

We present the first physical realization of in-pixel signal processing with integrated AI-based data filtering for particle tracking detectors. Building on prior work that demonstrated a physics-motivated edge-AI algorithm suitable for…

The Skipper-in-CMOS image sensor integrates the non-destructive readout capability of Skipper Charge Coupled Devices (Skipper-CCDs) with the high conversion gain of a pinned photodiode in a CMOS imaging process, while taking advantage of…

CMOS pixel sensors (CPS) represent a novel technological approach to building charged particle detectors. CMOS processes allow to integrate a sensing volume and readout electronics in a single silicon die allowing to build sensors with a…

In this paper, we propose an analog pixel differencing circuit for differentiating pixels between frames directly from CMOS pixels. The analog information processing at sensor is a topic of growing appeal to develop edge AI devices. The…

Emerging Technologies · Computer Science 2018-08-22 Olga Krestinskaya , Alex Pappachen James

Image sensors with nondestructive charge readout provide single-photon or single-electron sensitivity, but at the cost of long readout times. We present a smart readout technique to allow the use of these sensors in visible-light and other…

Instrumentation and Methods for Astrophysics · Physics 2021-12-15 Fernando Chierchie , Guillermo Fernandez Moroni , Leandro Stefanazzi , Eduardo Paolini , Javier Tiffenberg , Juan Estrada , Gustavo Cancelo , and Sho Uemura

We report the design and characterization of a CMOS pixel direct charge sensor, Topmetal-II-, fabricated in a standard 0.35um CMOS Integrated Circuit process. The sensor utilizes exposed metal patches on top of each pixel to directly…

Instrumentation and Detectors · Physics 2015-12-23 Mangmang An , Chufeng Chen , Chaosong Gao , Mikyung Han , Rong Ji , Xiaoting Li , Yuan Mei , Quan Sun , Xiangming Sun , Kai Wang , Le Xiao , Ping Yang , Wei Zhou

The CMS pixel detector is the innermost component of the CMS tracker occupying the region around the centre of CMS, where the LHC beams are crossed, between 4.3 cm and 30 cm in radius and 46.5 cm along the beam axis. It operates in a…

Instrumentation and Detectors · Physics 2019-08-13 Viktor Veszpremi

The CMS pixel detector has been designed for a peak luminosity of 10^34cm-2s-1 and a total dose corresponding to 2 years of LHC operation at a radius of 4 cm from the interaction region. Parts of the pixel detector will have to be replaced…

Instrumentation and Detectors · Physics 2010-01-25 H. C. Kästli

The LHC machine at CERN finished its first year of pp collisions at a center of mass energy of 7 TeV. While the commissioning to exploit its full potential is still ongoing, there are plans to upgrade its components to reach instantaneous…

Instrumentation and Detectors · Physics 2011-03-22 Hans-Christian Kästli

The barrel region of the CMS pixel detector will be equipped with ``n-in-n'' type silicon sensors. They are processed on DOFZ material, use the moderated p-spray technique and feature a bias grid. The latter leads to a small fraction of the…

The present Compact Muon Solenoid silicon pixel tracking system has been designed for a peak luminosity of 1034cm-2s-1 and total dose corresponding to two years of the Large Hadron Collider (LHC) operation. With the steady increase of the…

Instrumentation and Detectors · Physics 2011-10-11 N. Parashar

We report on preliminary design studies of a pixel detector for CMS at the Super-LHC. The goal of these studies was to investigate the possibility of designing an inner tracker pixel detector whose data could be used for selecting events at…

Instrumentation and Detectors · Physics 2007-05-23 J. Jones , G. Hall , C. Foudas , A. Rose