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J Radiat Prot > Volume 27(1); 2002 > Article
Journal of Radiation Protection 2002;27(1):51-0.
반도체 검출기를 이용한 Hybrid 전치증폭기형 전자식 개인선량계 개발
Development of Electronic Personal Dosimeter with Hybrid Preamplifier using Semiconductor Detector
Lee, B.J.;Kim, B.H.;Chang, S.Y.;Kim, J.S.;Rho, S.R.;
An electronic personal dosimeter(EPD) with hybrid type preamplifier adopting a semiconductor detector as a radiation detector has been developed, manufactured and test-evaluated. The radiation detection characteristics of this EPD has been performance-tested by using a reference photon radiation field. After several test-irradiations to a $^{137}Cs$ gamma radiation source the radiation detection sensitivity of this EPD appeared to be $3.8;cps/Gy{cdot}h^{-1}$. The linearity of radiation response was kept within 8% of the dose equivalent ranges of $10{mu}Sv{sim}4Sv$ and the angular dependence was under less than 4% in angles of ${pm}60^{circ}$. It was confirmed that the energy response range was in $60{sim}1,250keV$ given in the ISO standard. This EPD satisfied the international criteria for the EPD in the mechanical and the environmental performance test for 9 test categories according to IEC 61526.
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