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CHESS-2 (CMOS HV Evaluation for Strip Sensors) is a novel ASIC strip architecture designed to investigate the feasibility of using HV-CMOS MAPS (Monolithic Active Pixel Sensors) as alternative sensors for the ATLAS Phase-II Strip Tracker Upgrade. The ASIC is optimized for signal processing, hit pixel position encoding and readout. CHESS-2 includes three independent groups of 128 strips composed of...
3D silicon sensors, where electrodes penetrate fully or partially through the silicon substrate, have been successfully fabricated in different processing facilities in Europe and the USA. They key to 3D fabrication is the use of plasma micro-machining to etch narrow deep vertical openings which allow dopants to be diffused in and form the electrodes of the p-i-n junctions. Similar openings can be...
Quantification of cardiac magnetic resonance (CMR) myocardial perfusion remains time consuming since it requires manual intervention to compensate for motion. Thus, the aim of this study was to test an automated registration method. We studied 10 patients who had rest and stress CMR perfusion exams. For both exams, three short-axis slices were selected. Then, a rigid edge based registration algorithm...
Quantification of myocardial edema and necrosis during acute myocardial infarct (MI) is crucial for patientpsilas prognosis. The aim of this study was to evaluate these two parameters from MRI late gadolinium enhancement (LGE) and T2 weighted short Tau inversion recovery (STIR) black-blood sequences acquired in 22 patients with MI. To estimate the necrosis and edema volumes, a clustering method based...
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