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    Université de Neuchâtel

    A novel low noise hydrogenated amorphous silicon pixel detector

    Moraes, D. ; Anelli, G. ; Despeisse, M. ; Dissertori, G. ; Garrigos, A. ; Jarron, P. ; Kaplon. J. ; Miazza, C. ; Shah, Arvind ; Viertel, G. M. ; Wyrsch, Nicolas

    In: journal of n, 2004, vol. 338-340, p. 729-731

    Firsts results on particle detection using a novel silicon pixel detector are presented. The sensor consists of an array of 48 square pixels with 380 μm pitch based on a n–i–p hydrogenated amorphous silicon (a-Si:H) film deposited on top of a VLSI chip. The deposition was performed by VHF-PECVD, which enables high rate deposition up to 2 nm/s. Direct particle detection using beta particles...

    Université de Neuchâtel

    Characterization of 13 and 30 μm thick hydrogenated amorphous silicon diodes deposited over CMOS integrated circuits for particle detection application

    Despeisse, M. ; Anelli, G. ; Commichau, S. C. ; Dissertori, G. ; Garrigos, A. ; Jarron, P. ; Miazza, C. ; Moraes, D. ; Shah, Arvind ; Wyrsch, Nicolas ; Viertel, G. M.

    In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2004, vol. 518, no. 1-2, p. 357-361

    We present the experimental results obtained with a novel monolithic silicon pixel detector which consists in depositing a n–i–p hydrogenated amorphous silicon (a-Si:H) diode straight above the readout ASIC (this technology is called Thin Film on ASIC, TFA). The characterization has been performed on 13 and 30 μm thick a-Si:H films deposited on top of an ASIC containing a linear array of...

    Université de Neuchâtel

    Thin-film silicon detectors for particle detection

    Wyrsch, Nicolas ; Dunand, S. ; Miazza, C. ; Shah, A. ; Anelli, G. ; Despeisse, M. ; Garrigos, A. ; Jarron, P. ; Kaplon. J. ; Moraes, D. ; Commichau, S. C. ; Dissertori, G. ; Viertel, G. M.

    In: Physica status solidi (c), 2004, vol. 1, no. 5, p. 1284-1291

    Integrated particle sensors have been developed using thin-film on ASIC technology. For this purpose, hydrogenated amorphous silicon diodes, in various configurations, have been optimized for particle detection. These devices were first deposited on glass substrates to optimize the material properties and the dark current of very thick diodes (with thickness up to 50 μm). Corresponding diodes...