MuPix10: First Results from the Final Design

2020/12/10 by Augustin, Heiko, Berger, Niklaus, Dittmeier, Sebastian +12
#FOS: Physical sciences #Instrumentation and Detectors (physics.ins-det)

paper · doi:10.48550/arxiv.2012.05868

Abstract

Many years of research and development of High Voltage Monolithic Active Pixel Sensors (HVMAPS) have culminated in the final design for the Mu3e pixel sensor. MuPix10 is a fully monolithic sensor with an active pixel matrix size of 20×20 mm² produced in the 180 nm HV-CMOS process at TSI Semiconductors. The pixel size is 80×80 μm². Hits are read out using a column-drain architecture and sent over up to four serial links with up to 1.6 .Gbit\middle/s. each. By means of DC/DC converters and exclusive usage of on-chip biasing, MuPix10 is fully operable with a minimal set of electrical connections. This is an integral requirement by the Mu3e experiment since it enables the construction of ultra-thin pixel modules with 0.1 % of a radiation length per layer. First results from lab characterisation and testbeam campaigns are presented.

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