MEMS-based piezoresistive and capacitive microphones: A review on materials and methods

A Kumar, A Varghese, D Kalra, A Raunak… - Materials Science in …, 2024 - Elsevier
Microelectromechanical systems (MEMS)-based piezoresistive and capacitive microphones
have gained significant attention due to their miniaturization, high performance, and diverse …

Optical characterization of RF sputtered AlN thin film for acoustic and optoelectronics devices

A Kumar, M Prasad, V Janyani… - 2019 9th Annual …, 2019 - ieeexplore.ieee.org
The paper reports the optical characteristics of Radio Frequency (RF) sputtered piezoelectric
Aluminum Nitride (AlN) film on a quartz substrate. The AlN film of 300 nm thickness has …