Results 41 to 50 of about 1,251 (192)

MOSAIC: A Scalable reconfigurable 2D array system for NDT [PDF]

, 2008
This paper documents the development of a scalable 2D array system, or Mosaic that can be targeted at a wide range of NDT applications by way of a reconfigurable tile that can be tessellated to form arrays of any size and shape.
Afroukh, F., Donald O. Thompson, L. Wang, D. R. S. Cumming, Dale E. Chimenti, J. Wallace, Wallace, J., Cumming, D.R.S., Wang, L., Cochran, S., Saillant, J.F., S. Triger, Saillant, J-F., S. Cochran, Triger, S., J. F. Saillant, F. Afroukh   +16 more
core   +1 more source

An Investigation of Silica Aerogel to Reduce Acoustic Crosstalk in CMUT Arrays

Sensors, 2021
This paper presents a novel technique to reduce acoustic crosstalk in capacitive micromachined ultrasonic transducer (CMUT) arrays. The technique involves fabricating a thin layer of diisocyanate enhanced silica aerogel on the top surface of a CMUT array.
Varshitha Yashvanth, Sazzadur Chowdhury
doaj   +1 more source

Capacitive micromachined ultrasonic transducer with an open-cells structure

, 2005
The capacitive micromachined ultrasonic transducer (cMUT) has proved to be a viable alternative to the classical piezoelectric transducer in many practical applications like medical diagnostic and non-destructive testing.
SAVOIA, ALESSANDRO STUART, V. FOGLIETTI, AND M. PAPPALARDO, E. CIANCI, A. CARONTI, CALIANO, Giosue'   +5 more
core   +2 more sources

Use of Supporting Post Width to Increase the CMUT’s Resonant Frequency

IEEE Access, 2022
A new method is proposed to increase the resonant frequency of a Capacitive Micromachined Ultrasonic Transducer (CMUT) device while keeping the radii unchanged for devices fabricated by sacrificial release (SR) method.
Jiujiang Wang, Sio Hang Pun, Yuanyu Yu, Yihe Liu, Ching-Hsiang Cheng, Kin Fong Lei, Shuang Zhang, Peng Un Mak, Mang I Vai   +8 more
doaj   +1 more source

Capacitive Micromachined Ultrasonic Transducers (CMUT) Utilized as Tactile Sensors

, 2021
S.257-262In this paper, Fraunhofer IPMS utilized its capacitive micromachined ultrasonic transducer(CMUT) technology for the evaluation of highly sensitive tactile sensors.
Köble, S., Christoph Urbahn, Koch, S.G., Krenkel, M., Urbahn, C., Marcel Krenkel, Soren Koble, Sandro G. Koch   +7 more
core   +1 more source

CMUT-Based Sensor for Acoustic Emission Application: Experimental and Theoretical Contributions to Sensitivity Optimization

Sensors, 2021
The paper deals with a capacitive micromachined ultrasonic transducer (CMUT)-based sensor dedicated to the detection of acoustic emissions from damaged structures.
Redha Boubenia, Patrice Le Moal, Gilles Bourbon, Emmanuel Ramasso, Eric Joseph   +4 more
doaj   +1 more source

Hexagonal Capacitance Micromachined Ultrasonic Transducer

2008 International Conference on Computing, Communication and Networking, 2008
Capacitive Micromachined Ultrasonic Transducers (CMUTs), introduced about few decades ago, have been shown to be a good alternative to conventional piezoelectric transducers in various aspects, such as sensitivity, transduction efficiency, and bandwidth.
Shailendra Kumar Tiwari, B.S. Satyanarayana, A. Gopalkrishna Pai, Kunal K. Trivedi, N. S. Rahul, Pratyush Sahay   +5 more
openaire   +2 more sources

Fast sound field characterization of beamforming capable capacitive micromachined ultrasonic transducer (CMUT) arrays by refracto-vibrometry

, 2023
We introduce a time-optimized setup based on refracto-vibrometry for the purpose of scanning the sound field of capacitive micromachined ultrasonic transducer (CMUT) arrays primarily for the qualification of their beamforming capability. In comparison to
Zankl, Tobias, Fischer, Christoph, Peller, Sebastian, Bierl, Rudolf   +3 more
core   +1 more source

Selective Ultrasonic Gravimetric Sensors Based on Capacitive Micromachined Ultrasound Transducer Structure—A Review

Sensors, 2020
This review paper discusses the advances of the gravimetric detection devices based on capacitive micromachined ultrasound transducers structure.
Dovydas Barauskas, Mindaugas Dzikaras, Dovydas Bieliauskas, Donatas Pelenis, Gailius Vanagas, Darius Viržonis   +5 more
doaj   +1 more source

FEM of Air-Coupled Circular Capacitive Micromachined Ultrasonic Transducer for Anodic Bonding Process using SOI Wafer

Applications of Modelling and Simulation, 2022
In this paper, Finite Element Method (FEM)-based design and simulation of circular capacitive micromachined ultrasonic transducer (CMUT) has been discussed. The FEM simulation of CMUT is accomplished by using MEMCAD tools CoventorWare® and COMSOLTM. The
Gurpreet Singh Gill, Sanjay Kumar, Ravindra Mukhiya, Vinod Kumar Khanna   +3 more
doaj