Discharge Protection and Ageing of Micromegas Pixel Detectors

A.A. Aarts, V.M. Blanco Carballo, M.A. Chefdeville, P. Colas, S. Dunand, M. Fransen, H. van der Graaf, Y. Giomataris, F. Hartjes, G. Koffeman, J. Melai, H. Peek, W. Riegler, Cora Salm, Jurriaan Schmitz, Sander M. Smits, J. Timmermans, J.L. Visschers, N. Wyrsch

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


    GridPix is a gas-filled detector in which a Micromegas is combined with a CMOS pixel chip. The GridPix detector, originally developed for the readout of TPCs, can be applied as X-ray imaging device. With a drift gap of only one mm, GridPix could be well applied as radiation hard, low power, (and therefore) low-mass vertex (track) detector. A procedure to construct a Micromegas onto a Si wafer, using chip production technology (‘wafer post processing’), has been developed. A method to protect the CMOS anode pixel chip against discharges has been studied. An ageing test of a Micromegas chamber has been carried out, after verifying the chamber’s proportionality at a very high dose rate
    Original languageEnglish
    Title of host publication2006 IEEE Nuclear Science Symposium Conference Record
    Place of PublicationSan Diego, CA, USA
    Number of pages5
    ISBN (Print)1-4244-0561-0
    Publication statusPublished - 29 Oct 2006
    EventIEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2006 - San Diego, United States
    Duration: 29 Oct 20064 Nov 2006

    Publication series

    PublisherIEEE Nuclear & Plasma Sciences Society


    ConferenceIEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2006
    Abbreviated titleNSS/MIC
    Country/TerritoryUnited States
    CitySan Diego
    Internet address


    • EWI-10417
    • IR-61785
    • METIS-248225


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