O. F. Siebel, J. G. Pereira, M. C. Schneider, C. Galup-Montoro
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A MOSFET dosimeter built on an off-the-shelf component for in vivo radiotherapy applications
In this paper we detail the development of a new in vivo MOSFET dosimeter built on the CD4007, a popular off-the-shelf CMOS circuit. The dosimeter, which is aimed at radiotherapy applications, combines a simple and accurate readout procedure with a small, low-cost and cable-free sensor. The linearity (97.5%) and radiation sensitivity (6.8 mV/Gy) of this dosimeter were tested using X-ray (6 MV).