On the geometrical design of integrated micromegas detectors

V.M. Blanco Carballo, Cora Salm, Sander M. Smits, Jurriaan Schmitz, M.A. Chefdeville, H. van der Graaf, J. Timmermans, J.L. Visschers

    Research output: Contribution to journalArticleAcademicpeer-review

    11 Citations (Scopus)

    Abstract

    This paper presents the operational characteristics of several integrated Micromegas detectors. These detectors called InGrids are made by means of micro-electronic fabrication techniques. These techniques allow a large variety of detector geometry to be made and studied. Gain, gain homogeneity and energy resolution were measured for various amplification gap sizes, hole pitches and hole diameters in Argon/Isobutane. Gain measurements as a function of gap thickness are compared to the Rose and Korff formula and a model of the detector gain. Our model uses electric field maps and MAGBOLTZ calculated amplification coefficients.
    Original languageEnglish
    Article number10.1016/j.nima.2007.01.108
    Pages (from-to)1-4
    Number of pages4
    JournalNuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment
    Volume576
    Issue number1
    DOIs
    Publication statusPublished - 17 Jun 2007

    Keywords

    • Gain
    • Integrated Micromegas
    • Energy resolution
    • Wafer post-procesing
    • SC-RID: Radiation Imaging detectors

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