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Experimental Study of Deep Submersible Structure Defect Monitoring Based on Flexible Interdigital Transducer Surface Acoustic Wave Technology

open access: yesSensors, 2023
In view of the shortage of structural defect monitoring methods for deep submersibles, numerical simulation and experimental research on underwater SAW propagation based on interdigital transducers are carried out in this paper.
Zhongjun Ding   +5 more
doaj   +2 more sources

Interdigital sensors and transducers [PDF]

open access: yesProceedings of the IEEE, 2004
This review paper focuses on interdigital electrodes-a geometric structure encountered in a wide variety of sensor and transducer designs. Physical and chemical principles behind the operation of these devices vary so much across different fields of science and technology that the common features present in all devices are often overlooked.
A.V. Mamishev   +4 more
openaire   +2 more sources

Extended topological valley-locked surface acoustic waves

open access: yesNature Communications, 2022
Here the authors provide experimental evidence of extended topological valley-locked states. By splicing together Dirac semimetals and topological insulators, they demonstrate reduced backscattering and enhanced matching of SAW with interdigital ...
Ji-Qian Wang   +11 more
doaj   +1 more source

Switchable Transducers in GaN MEMS Resonators: Performance Comparison and Analysis

open access: yesMicromachines, 2021
This work presents a comprehensive comparison of switchable electromechanical transducers in an AlN/GaN heterostructure toward the goal of reconfigurable RF building blocks in next-generation ad hoc radios.
Imtiaz Ahmed, Dana Weinstein
doaj   +1 more source

Inkjet Printing of Plate Acoustic Wave Devices

open access: yesSensors, 2020
In the paper, the results of production of Ag inkjet printed interdigital transducers to the acoustic delay line based on Y-cut X-propagation direction of lithium niobate plate for the frequency range from 1 to 14 MHz are presented.
Iren Kuznetsova   +7 more
doaj   +1 more source

MOX Resistive Microsensors for Low Concentration Methane Detection

open access: yesEngineering Proceedings, 2022
A series of MOX resistive sensors with CuO and CoO-sensitive films were prepared using an eco-friendly technique (sol-gel). The sensor transducers are based on a custom-made alumina wafer with gold (Au) or platinum (Pt) interdigital electrodes (IDE ...
Paul Chesler   +3 more
doaj   +1 more source

Influence of IDT’s aperture on the excitation of piezoelectric acoustic waves in LiNbO3 and KNbO3 plates [PDF]

open access: yesITM Web of Conferences, 2019
The results of a study of the influence of the geometric parameters of interdigital transducers (IDT) on their resonance characteristics for YX plates of lithium niobate and potassium niobate are presented in the paper. It is shown that a decrease in the
Kuznetsova Iren   +2 more
doaj   +1 more source

Self-Aligned Interdigitated Transducers for Acoustofluidics [PDF]

open access: yesMicromachines, 2016
Surface acoustic wave (SAW) is effective for the manipulation of fluids and particles in microscale. The current approach of integrating interdigitated transducers (IDTs) for SAW generation into microfluidic channels involves complex and laborious microfabrication steps.
Zhichao Ma   +4 more
openaire   +4 more sources

Design and Fabrication of Interdigital Nanocapacitors Coated with HfO2

open access: yesSensors, 2015
In this article nickel interdigital capacitors were fabricated on top of silicon substrates. The capacitance of the interdigital capacitor was optimized by coating the electrodes with a 60 nm layer of HfO2.
Gabriel González   +4 more
doaj   +1 more source

Tunable high-Q SAW resonator loaded on a changing capacitance [PDF]

open access: yesJournal of Advanced Dielectrics, 2020
A tunable high-Q surface acoustic wave (SAW) resonator in the form of several parallel-connected interdigital transducers loaded on a varying capacitance on lithium niobate substrates was developed and studied. The working frequency range was 90–2450MHz.
G. Ya. Karapetyan   +6 more
doaj   +1 more source

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