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Development of a linear array for intracavitary in vivo dosimetry during external beam radiotherapy and brachytherapy.

Research output: Contribution to journalJournal article


Article number8076167
Journal publication date2004
JournalIEEE Transactions on Nuclear Science
Number of pages7
Original languageEnglish


We present the details of a new linear array dosimeter consisting of a chain of semiconductors mounted on an ultra-thin (50 μm thick) flexible substrate and housed in an intracavitary catheter. The semiconductors, manufactured by NMRC Cork, have not been packaging and incorporate a passivation layer that allows them to be mounted on the substrate using flip-chip-bonding. This paper reports, for the first time, the construction of a multiple (ten) detector array suited to in vivo dosimetry in the rectum, esophagus and vagina during external beam radiotherapy, as well as being adaptable to in vivo dosimetry during brachytherapy and diagnostic radiology.

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