Development of a Cryogenic System for the Characterization of Advanced CMOS technologies down to 350 mK. - Ismael Martínez-R.; Omar López-L; Daniel Ferrusca; Miguel Velázquez; Edmundo Antonio Gutiérrez-Domínguez; Daniel Durini Romero; Francisco Javier de la Hidalga Wade (I2MTC, 2021)