Fully Depleted MAPS in 110-nm CMOS Process With 100-300-μm Active Substrate
2020
This article presents a fully depleted monolithic active pixel sensor technology compatible with a standard deep submicrometer 110-nm CMOS process. Passive test pixels structures, produced in various flavors, have proved the feasibility of 100- and 300- $\mu \text{m}$ -thick active substrates. Active pixel sensors with monolithically integrated analog and digital electronics, consisting of a 24 $\times $ 24 array of pixels with 50- $\mu \text{m}$ pitch, have been shown to be fully functional when operating in the full depletion mode. Characterization results obtained with a proton microbeam and a 55Fe radiation source are presented and discussed.
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