Physics – Medical Physics
Scientific paper
Apr 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010apsp.conf..894r&link_type=abstract
ASTROPARTICLE, PARTICLE AND SPACE PHYSICS, DETECTORS AND MEDICAL PHYSICS APPLICATIONS. Proceedings of the 11th Conference. Held
Physics
Medical Physics
Scientific paper
A few silicon foundries offer the possibility of porting standard deep-submicron CMOS processes on wafers with resistivity well above 100 Ω·cm. In this paper we propose to use this option to implement monolithic sensors for particle tracking that combine the low power consumption and material budget offered by monolithic active pixel sensors (MAPS) with the speed and radiation hardness characterizing hybrid pixel detectors. Our simulations suggest that a uniform depletion layer with a thickness of at least 40 μm should be obtained by applying a reverse bias voltage of 100 V. The charge collection is fully dominated by drift, which is a key factor to guarantee adequate resistance against radiation-induced bulk damage. The paper describes the sensor concept and the key issues involved in the design of the associated read-out electronics.
Caselle Michele
Chalmet P.
Dorokhov Andrei
Kloukinas K.
Mugnier H.
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