20.1 A 3.5×3.5mm2 1.47mW/ch 16-Channel MSS-CMOS Heterogeneous Multi-Modal-Gas-Sensor Chip Stack. - Kotaro Naruse; Naru Kato; Takuma Matsumori; Jun Shiomi; Yoshihiro Midoh; Tetsuya Hirose; Gaku Imamura; Genki Yoshikawa; Constantine Sideris; Noriyuki Miura (ISSCC, 2025)