Results 21 to 30 of about 2,512,751 (208)

Design and Optimization of a BAW Microphone Sensor

Micromachines, 2022
A wind tunnel experiment is an important way and effective method to research the generation mechanism of aerodynamic noise and verify aerodynamic noise reduction technology.
Huihui Guo, Jianbo Li, Tingting Liu, Mingqiang Feng, Yang Gao   +4 more
doaj   +1 more source

Aluminum scandium nitride thin-film bulk acoustic resonators for 5G wideband applications

Microsystems & Nanoengineering, 2022
Bulk acoustic wave (BAW) filters have been extensively used in consumer products for mobile communication systems due to their high performance and standard complementary metal-oxide-semiconductor (CMOS) compatible integration process.
Yang Zou, Chao Gao, Jie Zhou, Yan Liu, Qinwen Xu, Yuanhang Qu, WenJuan Liu, Jeffrey Bo Woon Soon, Yao Cai, Chengliang Sun   +9 more
doaj   +1 more source

Simulation of film bulk acoustic resonator based on two-dimensional phononic crystals

物联网学报, 2022
A new structure of film bulk acoustic resonator (FBAR) based on phononic crystal (PnC) was proposed.The phononic crystal was used as the acoustic reflection layer at the bottom of the bulk acoustic wave resonator, which has the characteristics of high ...
Linhao SHI, Weipeng XUAN, Lingling SUN, Shurong DONG, Hao JIN, Jikui LUO   +5 more
doaj   +2 more sources

Micro-Electromechanical Acoustic Resonator Coated with Polyethyleneimine Nanofibers for the Detection of Formaldehyde Vapor

Micromachines, 2018
We demonstrate a promising strategy to combine the micro-electromechanical film bulk acoustic resonator and the nanostructured sensitive fibers for the detection of low-concentration formaldehyde vapor.
Da Chen, Lei Yang, Wenhua Yu, Maozeng Wu, Wei Wang, Hongfei Wang   +5 more
doaj   +1 more source

The BAW and SAW coupling analysis of patterned piezoelectric films as inter-digital transducers on diamond substrates using delta-function model

AIP Advances, 2021
Patterned piezoelectric films as inter-digital transducer (PP-IDT) structures on diamond substrates have been attracting extensive attention due to the increased working frequency, electromechanical coupling, and quality factor of piezoelectric devices ...
B. W. Xie, F. Z. Ding, H. J. Shang, D. X. Huang, T. G. Li, Q. Zou, H. W. Gu   +6 more
doaj   +1 more source

A film bulk acoustic resonator pressure sensor based on lateral field excitation

International Journal of Distributed Sensor Networks, 2018
A high-sensitive thickness shear mode film bulk acoustic resonator pressure sensor based on lateral field excitation is designed with its structure simulated in environment of air and liquids.
Shujing Su, Zihui Geng, Xiaoxin Ma, Qiulin Tan, Jijun Xiong   +4 more
doaj   +1 more source

FlexMEMS-enabled hetero-integration for monolithic FBAR-above-IC oscillators

Nanotechnology and Precision Engineering, 2019
In this work, a monolithic oscillator chip is heterogeneously integrated by a film bulk acoustic resonator (FBAR) and a complementary metal-oxide-semiconductor (CMOS) chip using FlexMEMS technology.
Chuanhai Gao, Menglun Zhang, Yuan Jiang
doaj   +1 more source

RF and Surface Properties of Bulk Niobium and Niobium Film Samples [PDF]

, 2012
The surface resistance Rs of superconducting cavities can be obtained from the unloaded quality factor Q0. Since RS varies strongly over the cavity surface its value must be interpreted as averaged over the whole cavity surface.
Weingarten, W., Junginger, T., Welsch, C., Seviour, Rebecca   +3 more
core   +3 more sources

A Novel Bulk Acoustic Wave Resonator for Filters and Sensors Applications

Micromachines, 2015
Bulk acoustic wave (BAW) resonators are widely applied in filters and gravimetric sensors for physical or biochemical sensing. In this work, a new architecture of BAW resonator is demonstrated, which introduces a pair of reflection layers onto the top of
Zhixin Zhang, Ji Liang, Daihua Zhang, Wei Pang, Hao Zhang   +4 more
doaj   +1 more source

AlN-based BAW resonators with CNT electrodes for gravimetric biosensing [PDF]

, 2011
Solidly mounted resonators (SMRs) with a top carbon nanotubes (CNTs) surface coating that doubles as an electrode and as a sensing layer have been fabricated.
García-Gancedo, Luis, Zhu, Z., G.M. Ashley, A.J. Flewitt, Milne, WI, Milne, W.I., Iborra, E., Luo, J.K., Garcia-Gancedo, L., Luo, J., Lu, JR, Lu, J.R., Iborra, Enrique, Milne, W. I., Lu, J. R., J. Olivares, E. Iborra, X.B. Zhao, Olivares, J, W.I. Milne, Zhu, Z, Iborra, E, Olivares Roza, Jimena, Flewitt, A. J., J.K. Luo, Flewitt, AJ, Luo, J. K., Luo, JK, Ashley, G.M., M. Clement, ,, J.R. Lu, Clement, M, Zhao, X. B., Flewitt, A.J., Clement Lorenzo, Marta, Ashley, GM, Zhao, XB, Olivares, J., Ashley, G. M., L. García-Gancedo, García-Gancedo, L, Zhao, X.B., Z. Zhu, Clement, M., Iborra Grau, Enrique, Lu, J. R.; id_orcid   +46 more
core   +1 more source