Physics – Instrumentation and Detectors
Scientific paper
2008-07-18
Physics
Instrumentation and Detectors
15 pages, 10 figures, submitted to "Sensors"
Scientific paper
In this paper we present a novel, quadruple well process developed in a modern 0.18mu CMOS technology called INMAPS. On top of the standard process, we have added a deep P implant that can be used to form a deep P-well and provide screening of N-wells from the P-doped epitaxial layer. This prevents the collection of radiation-induced charge by unrelated N-wells, typically ones where PMOS transistors are integrated. The design of a sensor specifically tailored to a particle physics experiment is presented, where each 50mu pixel has over 150 PMOS and NMOS transistors. The sensor has been fabricated in the INMAPS process and first experimental evidence of the effectiveness of this process on charge collection is presented, showing a significant improvement in efficiency.
Ballin J. A.
Crooks J. P.
Dauncey P. D.
Magnan A.-M.
Mikami Yoshitaka
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