Results 11 to 20 of about 228,379 (215)

3D Layout of Interdigital Transducers for High Frequency Surface Acoustic Wave Devices

open access: yesIEEE Access, 2020
The development of mobile communication sets higher demands on high frequency surface acoustic wave (SAW) devices. The layout of interdigital transducers (IDT) in SAW devices is in plane and the traditional methods of improving frequency for SAW devices ...
Junyao Shen   +7 more
doaj   +2 more sources

Acoustic tweezers based on circular, slanted-finger interdigital transducers for dynamic manipulation of micro-objects.

open access: yesLab on a Chip, 2020
Acoustic tweezing technologies are gaining significant attention from the scientific communities due to their versatility and biocompatibility. This study presents acoustic tweezers based on circular, slanted-finger interdigital transducers (CSFITs ...
Putong Kang   +10 more
semanticscholar   +1 more source

Annular interdigital transducer focuses piezoelectric surface waves to a single point [PDF]

open access: yes, 2007
We propose and demonstrate experimentally the concept of the annular interdigital transducer that focuses acoustic waves on the surface of a piezoelectric material to a single, diffraction-limited, spot.
Abdelkrim Khelif   +6 more
core   +3 more sources

Lamb Wave Ultrasonic System for Active Mode Damage Detection in Composite Materials

open access: yesChemical Engineering Transactions, 2013
The work describes a new approach for the development of a SHM system based on flexible piezopolymer transducers which have some advantages over the piezoceramic thin disk transducers in space applications. The flexible piezopolymer transducers made with
L. Capineri   +3 more
doaj   +1 more source

Conductometric Sensor for PAH Detection with Molecularly Imprinted Polymer as Recognition Layer

open access: yesSensors, 2018
A conductometric sensor based on screen-printed interdigital gold electrodes on glass substrate coated with molecularly imprinted polyurethane layers was fabricated to detect polycyclic aromatic hydrocarbons (PAHs) in water. The results prove that screen-
Usman Latif, Liu Ping, Franz L. Dickert
doaj   +1 more source

High-Sensitivity Magnetic Sensors Based on GMI Microwire-SAW IDT Design [PDF]

open access: yes, 2019
This work presents a design approach for a highly sensitive, miniaturized magnetic sensor. The design makes use of GMI microwires and a multi-electrode SAW IDT.
Anderson, R. Dyche   +4 more
core   +2 more sources

Surface acoustic wave pressure sensor and its matched antenna design

open access: yesMeasurement + Control, 2019
Interdigital transducer and signal transmission in surface acoustic wave pressure sensor design is one of the difficulties in sensor design. The transmission antenna is an important design indicator to determine the wireless function of the sensor.
Yuanyuan Li   +3 more
doaj   +1 more source

Non-destructive evaluation of an infusion process using capacitive sensing technique [PDF]

open access: yes, 2016
In this study, a capacitive sensing based non-destructive evaluation technique is applied to a vacuum assisted resin infusion process for the fabrication of glass fibre reinforced composites, as such different steps of the fabrication process (the ...
Bossuyt, Frederick   +7 more
core   +1 more source

Design of Piezopolymer Interdigital Transducers with Scaled Electrode Geometries Based on FEM Analysis

open access: yesActuators, 2022
The design of interdigital transducers (IDT) for active structural health monitoring (SHM) systems often requires a tuning of their characteristics for specific applications.
Lorenzo Capineri   +2 more
doaj   +1 more source

Modelling of Lamb Waves in Composite Laminated Plates Excited by Interdigital Transducers [PDF]

open access: yes, 2002
The technique of permanently attaching interdigital transducers (IDT) to either flat or curved structural surfaces to excite single Lamb wave mode has demonstrated great potential for quantitative non-destructive evaluation and smart materials design. In
Kitipornchai, Sritawat   +2 more
core   +2 more sources

Home - About - Disclaimer - Privacy