Reliable cool-down of GridPix detectors for cryogenic applications

R. Schön, Jurriaan Schmitz, Sander M. Smits, Y. Bilevych, Y. Bilevych, N. Bakel, van

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    Abstract

    In this paper we present thermal cycling experiments of GridPix radiation imaging detectors, in view of a potential application in a cryogenic experiment. The robustness of the GridPix detector is studied for various grid designs, as well as various mechanical and thermal surroundings. The grid design variations had insignificant effect on the grid strength. A low cool-down rate as well as good thermal contact are crucial for the durability of the grid. Further, additional strengthening at the grid edges proved necessary to maintain the integrity of the structure during thermal cycling, which was done using globtop adhesive. The combination of these measures led to 100% survival rate after thermal cycling down to −130 °C.
    Original languageEnglish
    Pages (from-to)100-106
    Number of pages7
    JournalNuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment
    Volume780
    DOIs
    Publication statusPublished - 21 Apr 2015

    Keywords

    • EWI-25824
    • GridPixSU-8Micro-pattern gaseous detectorInGridLiquid xenonCryogenics
    • Cryogenics
    • InGrid
    • IR-94595
    • Micro-pattern gaseous detector
    • Liquid xenon
    • SU-8
    • METIS-312515
    • GridPix

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