Design of a Piezoelectric Multilayered Structure for Ultrasound Sensors Using the Equivalent Circuit Method. - Muhammad Shakeel Afzal; Hayeong Shim; Yongrae Roh (Sensors, 2018)

Design of a Wideband Tonpilz Transducer Comprising Non-Uniform Piezoceramic Stacks with Equivalent Circuits. - Seonghun Pyo; Muhammad Shakeel Afzal; Youngsub Lim; Seungjin Lee; Yongrae Roh (Sensors, 2021)