The performance of GridPix detectors

Y. Bilevych, V. M.Blanco Carballo, M. Fransen*, Harry van der Graaf, N. De Groot, F. Hartjes, N. Hessey, A. Konig, W. J.C. Koppert, M. Rogers, J. Schmitz, R. Schon, J. Visschers, J. Timmermans

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review


    A GridPix detector is a gaseous detector capable of detecting individual single primary electrons from ionizing particles. Such a detector consists of a pixel chip as active anode covered with a thin layer of silicon rich silicon nitride (SiRN) for protection against discharges, an integrated amplification grid (InGrid), applied on top of the chip by wafer post processing techniques, and a cathode plane. The drift region is between the grid and cathode while the gas gain occurs between the chip and the grid. The discharge quenching properties of the SiRN layer have been determined as well as the relation on grid capacitance, grid voltage and gas mixture. Part of the detectors in this report were of the type Gossip, a GridPix detector with a drift gap of ∼1 mm. Using such thin drift layer, one may consider this detector as a replacement for a silicon pixel detector. The performance of three Gossip detectors has been investigated by measurements in a test beam at CERN.

    Original languageEnglish
    Title of host publication2010 IEEE Nuclear Science Symposium Conference Record (NSS/MIC 2010)
    Number of pages5
    ISBN (Electronic)978-1-4244-9105-6
    ISBN (Print)978-1-4244-9106-3
    Publication statusPublished - 1 Dec 2010
    EventIEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2010 - Knoxville Convention Center, Knoxville, United States
    Duration: 30 Oct 20106 Nov 2010

    Publication series

    NameIEEE Nuclear Science Symposium Conference Record
    ISSN (Print)1082-3654


    ConferenceIEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2010
    Abbreviated titleNSS/MIC
    Country/TerritoryUnited States
    Internet address


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