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11th International conference on Position Sensitive Detectors (PSD)

作者： Staiano, A. Arcidiacono, R. Boscardin, M. Betta, G. F. Dalla Cartiglia, N. Cenna, F. Ferrero, M. Ficorella, F. Mandurrino, M. Obertino, M. Pancheri, L. Paternoster, G. Sola, V. Ist Nazl Fis Nucl Sez Torino Via P Giuria 1 Turin Italy Univ Trento Dipartimento Fis Via Sommarive 14 Povo Trent Italy Fdn Bruno Kessler Ctr Mat & Microsyst Via Sommarive 18 Povo Trent Italy Univ Turin Dipartimento Fis Via P Giuria 1 Turin Italy Univ Piemonte Orientale Dipartimento Sci Farmaceut Largo Donegani 2-3 Novara Italy

In this contribution we review the progress towards the development of a novel type of silicon detectors suited for tracking with a picosecond timing resolution, the so called Ultra-Fast Silicon Detectors. The goal is to create a new family of particle detectors merging excellent position and timing resolution with GHz counting capabilities, very low material budget, radiation resistance, fine granularity, low power, insensitivity to magnetic field, and affordability. We aim to achieve concurrent precisions of similar to 10 ps and similar to 10 mu m with a 50 mu m thick sensor. Ultra-Fast Silicon Detectors are based on the concept of Low-Gain Avalanche Detectors, which are silicon detectors with an internal multiplication mechanism so that they generate a signal which is factor similar to 10 larger than standard silicon detectors. The basic design of UFSD consists of a thin silicon sensor with moderate internal gain and pixelated electrodes coupled to full custom VLSI chip. An overview of test beam data on time resolution and the impact on this measurement of radiation doses at the level of those expected at HL-LHC is presented. First I-V and C-V measurements on a new FBK sensor production of UFSD, 50 mu m thick, with B and Ga, activated at two diffusion temperatures, with and without C co-implantation (in Low and High concentrations), and with different effective doping concentrations in the Gain layer, are shown. Perspectives on current use of UFSD in HEP experiments (UFSD detectors have been installed in the CMS-TOTEM Precision Protons Spectrometer for the forward physics tracking, and are currently taking data) and proposed applications for a MIP timing layer in the HL-LHC upgrade are briefly discussed.

关键词： Charge transport and multiplication in solid media Detector modelling and simulations ii (electric fields, charge transport, multiplication and induction, pulse formation, electron emission, etc) Particle tracking detectors (solid-state detectors) Radiation-hard detectors

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New readout integrated circuits for position sensitive solid state detectors

New readout integrated circuits for position sensitive solid...

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IEEE Symposium on Nuclear Science (NSS/MIC)

作者： T.O. Tumer V.B. Cajipe R.F. Calderwood M. Clajus S. Hayakawa Shi Yin NOVA Research and Development Inc. Riverside CA USA

We have been developing custom multi channel mixed signal readout integrated circuits (ICs) for advanced position sensitive solid-state radiation detector arrays for applications ranging from X-ray astronomy and medical imaging to security and industrial inspection. Readout ICs are an integral part of position-sensitive semiconductor detectors for X-ray, gamma-ray and charged particle imaging. Different detector applications require custom IC, which is typically designed for a specific detector array. Therefore, it is important to develop generic ICs to meet a range of applications in different complementing fields. To achieve this aim NOVA has been developing generic ICs for different fields of applications, which embodies versatile and adaptable functions as well as selectable features. An overview of generic ICs developed at NOVA is presented here. Each chip described targets a complementing application field with versatile functions and features.

关键词： solid state circuits Position sensitive particle detectors Application specific integrated circuits sensor arrays X-ray imaging Radiation detector circuits Astronomy Biomedical imaging Security Inspection

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sensor systems-interface between environment and application

Sensor systems-interface between environment and application

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European conference on solid-state Circuits (ESSCIRC)

作者： D. Hammerschmidt Fraunhofer Institute of Microelectronic Circuits and System Duisburg Germany

The rapidly growing market for sensor systems on the one hand boosts the development of new sensor principles and technologies [1,2], on the other hand the increasing fields of use require an integration of these sensors on system level under a wide spread of application conditions. This paper will discuss the main tasks that have to be solved by the electronic system, which interfaces the sensor and the application environment [3,4]. On side of the sensor physical points of view dominate the requirements, which, e.g., call for low noise readout, high gain, minimum sensor loading, and compensation of crossensitivities. The application requires completely different considerations, like compatibility with former solutions, standardized interfaces, low power consumption or networking capability as well as cost efficiency. Between these completely different classes of requirements electronic circuitry operates as a mediator featuring sophisticated readout electronics for each type of sensor, intermediate signal processing layers, and customisable interfaces that are usable for all kinds of sensors. After the general consideration of the above topics some examples of sensor systems will be presented and the individual solutions of the mentioned challenge will be discussed from the circuit designers point of view. At last some approaches for future developments of sensor systems will be presented.

关键词： sensor systems sensor arrays Magnetic sensors sensor systems and applications Chemical sensors Costs Consumer electronics Circuits Pressure measurement Manufacturing

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Integrated readout electronics: enabling advanced applications of position-sensitive solid-state radiation detectors

Integrated readout electronics: enabling advanced applicatio...

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IEEE Symposium on Nuclear Science (NSS/MIC)

作者： V.B. Cajipe R.F. Calderwood M. Clajus S. Hayakawa T.O. Tumer Shi Yin NOVA Research and Development Inc. Riverside CA USA

As applications of advanced solid-state radiation detector arrays proliferate across disciplines ranging from X-ray astronomy and medical imaging to security and industrial inspection, the relative scarcity of low-noise, multi-channel integrated circuits (ICs) needed to read out these arrays has become increasingly apparent. In fact, readout ICs are now regarded to be an integral part of position-sensitive semiconductor detectors for X-ray and gamma-ray imaging. Because the requirements of various detector applications tend to be diverse, a custom IC is typically designed for a specific detector array. This often lengthens the time and raises the cost of system development. To help close the readout technology gap and facilitate advances in this field, NOVA has been formulating strategies for instrumenting different detectors of a given application category with the same "generic" IC which embodies common functions as well as selectable features. A brief overview of possible approaches to such generic ICs will be given. Within this context, accomplishments and ongoing efforts at NOVA in developing front-end ICs for various detector architectures and signal-processing scenarios will be described. We will especially consider the case of ICs used in conjunction with position-sensitive CZT detectors, implemented in traditional soldered lead or flip-chip connection geometries, to perform spectroscopic, energy-binning or current-mode type measurements

关键词： Readout electronics solid state circuits Radiation detectors sensor arrays Application specific integrated circuits X-ray imaging Position sensitive particle detectors Radiation detector circuits Astronomy Biomedical imaging

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A colour 3200fps high-speed CMOS imager for endoscopy in bio-medical applications

A colour 3200fps high-speed CMOS imager for endoscopy in bio...

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European conference on solid-state Circuits (ESSCIRC)

作者： F. Lustenberger M. Lehmann L. Cavalier N. Blanc W. Heppner J. Ernst S. Gick H. Bloss Photonics Division CSEM SA Zürich Switzerland Fraunhofer USB Erlangen Germany Fraunhofer IIS Erlangen Germany

A high-speed, high-sensitivity sensor was developed in a standard 0.5 /spl mu/m CMOS mixed-signal technology for the use in endoscopes. The full frame rate in excess of 3200 frames per second enables the imaging of transient events in biomedical samples. The sensor is organized as a 512/spl times/192 pixel array with additional RGB dye filters. Data are transferred from the sensor on either 4 or 8 analogue signal taps. The imager reaches a sensitivity of 130 V//spl mu/***/sup -2/ at a wavelength of 470 nm with a dynamic range of 62 dB and 50.2 dB in linear mode and charge-skimming mode, respectively. The FPN, PRNU and temporal noise were measured to be at 0.7%, 1.1% and 0.08% of the full-scale output range of the sensor. This excellent performance is exploited in the analysis of high-speed transient phenomena of human vocal cords.

关键词： Endoscopes Biosensors sensor arrays CMOS image sensors CMOS technology Transient analysis Standards development Biomedical imaging Filters Dynamic range

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Advances in radar systems by SELEX Sistemi Integrati: Today and towards the future

Advances in radar systems by SELEX Sistemi Integrati: Today ...

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European Radar conference (EURAD)

作者： Marina Grossi Annamaria Fiorello Stefano Pagliai Microelectron. & Photonic Dept. SELEX-Sist. Integrati Rome Italy Microelectronic and Photonic Department SELEX Sistemi Integrati Rome Italy Military Primary Radar Department SELEX Sistemi Integrati Rome Italy

SELEX Sistemi Integrati is now watching toward the future to reinforce its leadership in the state of the art of radar systems. The strong position in the market has been achieved by delivering top radar performance in many fields of application and it has been based on the capability to manage the proper technology insertion in its radar systems. For each radar product the Company has identified its own key technology components and has planned its development and insertion to take the right advantage from a well established radar knowledge. The same winning approach is now followed for the next generation of SELEX-SI radar systems. In the paper it will be shown how the Company has developed technology and radar systems together in the past, how it is delivering up to date solutions now and how it is preparing the new generation of radar systems by investing again in technology. In this field the focus will be on the new multifunction/multirole radar applications and on the technological capabilities that SELEX-SI is developing by taking advantage of its Research and development facilities.

关键词： Radar applications Radar antennas sensor arrays Paper technology Phased arrays Time to market Transmission line measurements Gallium arsenide solid state circuits Field programmable gate arrays

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Light emitting diode arrays for consumer and medical applications

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Materials science & engineering. B, solid-state materials for advanced technology 1998年第1-3期B51卷 90-93页

作者： Rys, Andrew Piotrowski, Tadeusz Sobczynski, Radoslaw Kansas State Univ Manhattan United States

development of light emitting diodes (LEDs) and arrays of diodes to be utilized in a modern and highly sensitive spectrophotometer is presented. The In1-xGaxAs1-yPy quaternary alloy semiconductor has been utilized in the design and fabrication of surface emitting infrared LEDs in the spectral range from 1100 to 1650 nm. Custom made chips provide the surface-emitting LEDs with high radiance and superior far-field patterns. The hybrid 31-element array of LEDs was fabricated. A temperature sensor and a photodiode was incorporated on the hybrid circuit to control the temperature and light intensity of the diodes. The instrument prototype has been fabricated and preliminary experimental data have been collected.

关键词： Light emitting diodes

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Automated diagnosis for the time of flight scintillation array: development of a structural and behavioral reasoning system

Automated diagnosis for the time of flight scintillation arr...

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conference on Artificial Intelligence for applications

作者： R.K. Paasch A.M. Agogino Department of Mechanical Engineering Oregon State University Corvallis OR USA Department of Mechanical Engineering University of California Berkeley CA USA

The development and implementation are described of the time of flight validation system, a system for the automated diagnosis of a large-scale nuclear physics detector. The diagnostic system is multi-leveled, combining a single monitoring level based on statistical methods with two model-based diagnostic levels, one operating on structural information and the other using both structural and behavioral models. The later diagnostic level uses a qualitative data model of the detector to provide evidence that is mapped on a continuous basis from observation values to belief in component failure hypotheses. The general architecture is scalable.< >

关键词： Large-scale systems Nuclear physics solid scintillation detectors Radiation detectors Mechanical engineering Real time systems Computerized monitoring Laboratories sensor arrays Statistical analysis

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development of a New Active Personal Dosimeter for Use in Space Radiation Environments

Development of a New Active Personal Dosimeter for Use in Sp...

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IEEE conference on Aerospace

作者： Lawrence S. Pinsky Jeffrey Chancellor Physics Department University of Houston Houston TX USA

A new solid state detector, known as Medipix, developed by a consortium of academic institutions has been evolved from a technology originally created for use at the LHC at CERN in Geneva, Switzerland. This technology is being harnessed for use as an active personal dosimeter for space radiation applications. The pixel based technology embeds the entire required readout electronics for each pixel withing the pixel's 55 micron square footprint. That allows the seamless tiling of multiple arrays of detectors. Prototypes have been exposed to heavy ion beams at the HIMAC facility in Japan and at the Texas A&M cyclotron in the US. The results are very encouraging. Extensive experience is being gained in using the detectors with appropriate converters for simultaneous neutron dosimetry as well. Ultimate versions may be deployed that are both wireless and self-contained, as well as having a package size comparable to current passive personal dosimeters. Prospect are excellent for building them into spacesuits, which would provide ground-based real-time monitoring of the detailed doses being taken by crew members during such high-risk periods as EVAs. These dosimeters could also be used as active area monitors in a variety of both space and ground-based applications.

关键词： Space technology Detectors solid state circuits Large Hadron Collider Readout electronics sensor arrays Prototypes Ion beams Cyclotrons Neutrons

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Nernst-Planck-Poisson Model for the Description of Behaviour of solid-Contact Ion-Selective Electrodes at Low Analyte Concentration

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ELECTROANALYSIS 2013年第1期25卷 133-140页

作者： Jasielec, Jerzy J. Lisak, Grzegorz Wagner, Michal Sokalski, Tomasz Lewenstam, Andrzej Abo Akad Univ Proc Chem Ctr Ctr Proc Analyt Chem & Sensor Technol ProSens Turku 20500 Finland AGH Univ Sci & Technol Fac Mat Sci & Ceram PL-30059 Krakow Poland

All-solid-state electrodes are increasingly being used in clinical, industrial and environmental analysis. This wide range of applications requires deep theoretical description of such electrodes. This work concentrates on the development of a numerical tool for the qualitative prediction of electrochemical behaviour for solid-contact ion-selective electrodes at low analyte concentrations. For this purpose, a general approach to the description of electro-diffusion processes, namely the Nernst-Planck-Poisson (NPP) model, was applied. The results obtained from this model are verified by experimental data of lead(ii)-selective electrodes based on a polymeric PVC membrane with polybenzopyrene doped with Eriochrome Black T used as the solid contact.

关键词： Potentiometry Ion-selective electrodes solid contact Response Nernst-Planck-Poisson model Electrodiffusion

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