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Radiation Sensor Compatible With Standard CMOS Technology

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6 Author(s)
E. Garcia Moreno ; Univ. of Balearic Islands, Palma, Spain ; R. Picos ; E. Isern ; M. Roca
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This paper presents a gamma radiation dosimeter built in a standard 0.35 mum CMOS technology. The dosimeter, which occupies 300 times 150 mum times mum of silicon area, gives a digital output signal of frequency proportional to the total dose. Experimental results up to 1.5 Mrads are presented. Measured low dose radiation responsivity is 84.7 Hz/Krad and sensitivity to temperature and supply voltage are 1.43 kHz/degC and 20.9 kHz/V, respectively.

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IEEE Transactions on Nuclear Science  (Volume:56 ,  Issue: 5 )