0000000000996472

AUTHOR

Cristiano Calligaro

showing 4 related works from this author

Silicon dosimeters based on Floating Gate Sensor: design, implementation and characterization

2020

A rad-hard monolithic dosimeter has been implemented and characterized in a standard 180 nm CMOS technology. The radiation sensor (C-sensor) is based on a Floating Gate (FG) MOS discharge principle. The output current is processed by a current-to-voltage (I/V) interface and then converted by a 5-bit flash ADC. The dosimeter is re-usable (FG can be recharged) and can detect a dose up to 1krad (Si) with a resolution of 30rad (Si) typical over temperature 0 to 85°C range. The ADC allows easy further signal processing for calibration and averaging, etc. The power consumption of C-sensor plus I/V interface is < 2mW from a 5 V power supply. The overall layout area is less than 0.25mm2. The Rad…

010302 applied physicsSignal processingMaterials scienceDosimeterSettore ING-IND/20 - Misure E Strumentazione Nucleari010308 nuclear & particles physicsbusiness.industryAnalog-to-digital converterHardware_PERFORMANCEANDRELIABILITYFlash ADC01 natural sciencesPower (physics)law.inventionCMOSlawAnalog-to-Digital converter current-to-voltage interfaces Dosimeter edgeless transistors (ELT) Floating Gate MOS radiation hardening by design (RHBD) total ionizing dose (TID)Absorbed dose0103 physical sciencesHardware_INTEGRATEDCIRCUITSCalibrationOptoelectronicsbusiness2020 IEEE 20th Mediterranean Electrotechnical Conference ( MELECON)
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Fogging effect correction of Gafchromic HD-V2 film response for its use in high-dose radiotherapy

2020

GAFChromic® HD-V2 film is a reliable dose measurement device, thin, flexible, inexpensive, simple to use and easy to analyze. The response in terms of net absorbance with respect to absorbed dose was found to be linear in a large dose range, which supports the feasibility of using the film dosimeters in many applications, such as radiotherapy. For its use, a "fogging" effect must be take into account since film response changes with time. To determine a calibration curve valid for any time, fogging effect was investigated for more than 400 days. A correction procedure allows the use of HD-V2 film dosimeters in high-dose radiotheraphy, as brachytherapy, and quality assurance (QA) procedures.

Materials scienceDosimeterFoggingbusiness.industryCalibration curveSettore ING-IND/20 - Misure E Strumentazione Nuclearimedicine.medical_treatmentBrachytherapydosimetry GAFChromic film gamma radiation radiotherapy030218 nuclear medicine & medical imagingRadiation therapy03 medical and health sciences0302 clinical medicine030220 oncology & carcinogenesisAbsorbed dosemedicineDosimetrybusinessQuality assuranceBiomedical engineering
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The methodology for active testing of electronic devices under the radiations

2018

The methodology, developed for active testing of electronic devices under the radiations, is presented. The test set-up includes a gamma-ray facility, the hardware board/fixtures and the software tools purposely designed and realized. The methodology is so wide-ranging to allow us the verification of different classes of electronic devices, even if only application examples for static random access memory modules are reported.

business.industryComputer scienceSettore ING-IND/20 - Misure E Strumentazione NucleariTesting methodologies Electronic Devices Total Ionizing Dose Single Event Effects Gamma rays.Electrical engineeringelectronic devicetotal ionizing dosesingle event effectNuclear Energy and Engineeringtesting methodologygamma raylcsh:QC770-798lcsh:Nuclear and particle physics. Atomic energy. RadioactivityElectronicsSafety Risk Reliability and QualitybusinessNuclear Technology and Radiation Protection
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Low-Power, Subthreshold Reference Circuits for the Space Environment : Evaluated with -rays, X-rays, Protons and Heavy Ions

2019

The radiation tolerance of subthreshold reference circuits for space microelectronics is presented. The assessment is supported by measured results of total ionization dose and single event transient radiation-induced effects under &gamma

02 engineering and technologyHardware_PERFORMANCEANDRELIABILITYgammasäteily7. Clean energy01 natural sciencesanalog single-event transient (ASET)Ionizationsingle-event effects (SEE)0202 electrical engineering electronic engineering information engineeringAnnan elektroteknik och elektronikElectronic circuitPhysicsprotonsSubthreshold conductionionisoiva säteilyröntgensäteilyGamma raygamma-raysHardware and ArchitectureAtomic physicsVoltage referencemikroelektroniikkaprotonitComputer Networks and Communicationslcsh:TK7800-8360voltage referenceIonheavy-ions0103 physical sciencesionizationradiation hardening by design (RHBD)X-raysHardware_INTEGRATEDCIRCUITSMicroelectronicsElectrical and Electronic Engineeringhiukkassäteilybandgap voltage reference (BGR)Other Electrical Engineering Electronic Engineering Information Engineering010308 nuclear & particles physicsbusiness.industry020208 electrical & electronic engineeringlcsh:Electronicsspace electronicstotal ionization dose (TID)Analog single-event transient (ASET); Bandgap voltage reference (BGR); CMOS analog integrated circuits; Gamma-rays; Heavy-ions; Ionization; Protons; Radiation hardening by design (RHBD); Reference circuits; Single-event effects (SEE); Space electronics; Total ionization dose (TID); Voltage reference; X-raysmikropiiritsäteilyfysiikkaControl and Systems Engineeringreference circuitsSignal ProcessingbusinessSpace environmentHardware_LOGICDESIGNCMOS analog integrated circuits
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