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3D vertical integration technologies for advanced semiconductor radiation sensors and readout electronics

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1 Author(s)
Re, V. ; Dept. of Ind. Eng., Univ. of Bergamo, Dalmine, Italy

The development of 3D vertical integration in the microelectronic industry brings along significant advantages for pixelated semiconductor radiation sensors in cutting-edge scientific experiments at high luminosity particle accelerators and advanced X-ray sources. These applications set very demanding requirements on the performance of sensors and their readout electronics, in terms of pixel pitch, radiation tolerance, signal-to-noise ratio and capability of handling very high data rates. 3D vertical integration of two or more layers with sensors and CMOS devices naturally leads the designer towards extending pixel-level processing functionalities and achieving novel structures where each layer is optimized for a specific function. This paper reviews the efforts towards the development of novel vertically integrated pixel sensors and discusses the challenges that are being tackled to qualify these devices for actual applications.

Published in:

Advances in Sensors and Interfaces (IWASI), 2011 4th IEEE International Workshop on

Date of Conference:

28-29 June 2011