Large area thin film semiconductor detectors using multichannel counting Castor readout chip

C. Hordequin, F. Foulon, W. Dulinski, R. Turchetta, G. Claus, A. Brambilla, P. Bergonzo

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The performance of charged particle counters associating thin diamond or amorphous silicon (a-Si) detectors to Castor VLSI analog-digital circuits for the fabrication of large area detectors are reported. The 20 μm thick semiconductor detectors were synthesized using chemical vapour deposition (CVD) technique. Detectors of 2.5 × 2.5 cm2 area were segmented in 32 sub-areas of 13 mm2 in order to limit the electronic noise per reading channel. The 32 channel circuit was used to record the counting rate and the total number of counts on each segment. Such detection systems were tested under alpha particles (241Am) as well as under low energy beta particles (14C). The results show that large area detection systems can readily be fabricated at low cost by the association of an application specific readout chip (ASIC) with chemically vapour deposited semiconductor detectors.

    Original languageBritish English
    Pages (from-to)1802-1806
    Number of pages5
    JournalIEEE Transactions on Nuclear Science
    Volume47
    Issue number6
    DOIs
    StatePublished - Dec 2000

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