Evaluation of a MOSFET radiation sensor for the measurement of entrance surface dose in diagnostic radiology.

@article{Peet1999EvaluationOA,
  title={Evaluation of a MOSFET radiation sensor for the measurement of entrance surface dose in diagnostic radiology.},
  author={Debbie J Peet and Matthew Pryor},
  journal={The British journal of radiology},
  year={1999},
  volume={72 858},
  pages={562-8}
}
A patient dosimetry system using MOSFET technology (Thomson and Neilson Electronics Ltd, Canada) is evaluated for entrance surface dose measurements in diagnostic radiology. The system sensitivity for the standard MOSFET detector coupled to a high sensitivity bias supply was measured to be 1 mV mGy-1. Response of a new high sensitivity dosemeter was measured to be 3 mV mGy-1. The minimum detectable entrance surface dose at which a single measurement can be made with less than 25% total… CONTINUE READING
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