The School of Mechanical & Materials Engineering would like to welcome Dr. Hongsoo Choi, an Associate Professor and Co-Director of DGIST-ETH Microrobot Research Center at Daegu Gyeongbuk Institute of Science and Technology, on January 26. He will present a seminar in ETRL 101 at 11 a.m. titled: “Piezoelectric MEMS devices for biomedical applications: artificial basilar membrane and piezoelectric micromachined ultrasonic transducer.”