Normal tissues are also exposed during radiation therapy. In
particular, the skin is highly sensitive to radiation. Therefore,
care should be taken regarding excessive exposure, and the dose
irradiated to the skin should be measured accurately. In this study,
a skin dosimeter that can be attached to the human body was
manufactured using a silicone binder, and a new type of passive
layer using silicon was applied. In addition, the manufactured
dosimeter was evaluated to establish whether it could be used with a
skin dosimeter. The observation of the surface of the dosimeter
through SEM analysis showed that cracks did not occur on the surface
of the silicon passive layer PbO dosimeter when it was bending. The
bending silicon passive layer PbO dosimeter's relative standard
deviation was 1.45%, meeting the evaluation criteria of 1.5%. The
linearity evaluation showed that the R
2 of the bending silicon
passive layer PbO dosimeter was 0.9996, satisfying the evaluation
criterion R
2 of 0.9990. The PDD measurements showed that the
D_max points matched. As the silicon passive layer PbO
dosimeters showed no cracks when bending, high signal stability, and
accuracy in reproducibility, linearity, and PDD measurement results,
it could be suitable for application as skin dosimeters.
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