On the radiation tolerance of SU-8, a new material for gaseous microstructure radiation detector fabrication

M. J. Key, V. Cindro, M. Lozano

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    21 Citations (Scopus)

    Abstract

    SU-8 photosensitive epoxy resin was developed for the fabrication of high-aspect ratio microstructures in MEMS and microengineering applications, and has potential for use in the construction of novel gaseous micropattern radiation detectors. However, little is known of the behaviour of the cured material under irradiation. Mechanical properties of SU-8 film have been measured as a function of neutron exposure and compared with Kapton ® polyimide and Mylar® PET polyester films, materials routinely used in gaseous radiation detectors, to asses the suitability of SU-8 based microstructures for gaseous detector applications. After exposure to a reactor core neutron fluence of 7.5×1018 n cm-2, the new material showed a high level of resistance to radiation damage, comparable to Kapton film. © 2004 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)1003-1007
    JournalRadiation Physics and Chemistry
    Volume71
    Issue number5
    DOIs
    Publication statusPublished - 1 Dec 2004

    Keywords

    • Gas micropattern detectors
    • Radiation damage
    • SU-8

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