J Pan, C Bai, Q Zheng, H Xie - Micromachines, 2023 - mdpi.com
Piezoelectric micromachined ultrasonic transducer (pMUT) rangefinders have been rapidly developed in the last decade. With high output pressure to enable long-range detection and …
Y Gao, M Chen, Z Wu, L Yao, Z Tong, S Zhang… - Microsystems & …, 2023 - nature.com
Transit-time ultrasonic flowmeters (TTUFs) are among the most widely used devices for flow measurements. However, traditional TTUFs are usually based on a bulk piezoelectric …
L Jia, L Shi, C Liu, Y Yao, C Sun… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this article, we present a high-performance aluminum nitride (AlN)-based microelectromechanical system (MEMS) hydrophone sensor, in which the sensing cells are …
This article presents a fully integrated ultrasound system based on a single piezoelectric micromachined ultrasonic transducer (PMUT) monolithically fabricated with a 0.13 μm …
Piezoelectric Micromachined Ultrasonic Transducers (PMUT) and Capacitive Micromachined Ultrasonic Transducers (CMUT) have seen great developments in recent …
E Ledesma, I Zamora, A Uranga… - 2021 IEEE 34th …, 2021 - ieeexplore.ieee.org
This paper presents an 80 μm squared piezoelectric micromachined ultrasonic transducer (PMUT) using 9.5% scandium-doped aluminum nitride (AlScN). The improvement in the …
S Sun, J Wang, M Zhang, Y Yuan… - Journal of …, 2021 - ieeexplore.ieee.org
As common and natural activity of human beings, eye movement has been regarded as an indicator of human physiological and psychological health; eye movement tracking has …
In this paper, guidelines for the optimization of piezoelectrical micromachined ultrasound transducers (PMUTs) monolithically integrated over a CMOS technology are developed …
This work presents air-coupled piezoelectric micromachined ultrasonic transducers (pMUTs) with high sound pressure level (SPL) under low-driving voltages by utilizing sputtered …