Results 81 to 90 of about 102,224 (204)

ACOUSTIC BEAM STEERING BY AN INTERDIGITAL TRANSDUCER FOR WIDEBAND BULK WAVE ACOUSTOOPTIC DEFLECTORS.

open access: yes, 1985
An interdigital transducer method has been exploited for generating and steering the acoustic beam on a LiNbO//3 bulk wave acoustooptic Bragg cell. The interdigital transducer, deposited on the x surface of a LiNbO//3 crystal, is effective in generating ...
Verona E, Palmieri L, Socino G
core  

Highly Sensitive FPW-Based Microsystem for Rapid Detection of Tetrahydrocannabinol in Human Urine

open access: yesSensors, 2017
This paper presents a highly sensitive flexural plate-wave (FPW)-based microsystem for rapid detection of tetrahydrocannabinol (THC) in human urine. First, a circular-type interdigital transducer (IDT) was integrated with a circular-type silicon-grooved ...
Je-Wei Lan   +5 more
doaj   +1 more source

Hybrid Surface-Wave Transducer

open access: yes, 1972
A transducer for generating and detecting surface elastic waves in a non-piezoelectric material may include an interdigital electrode array coupled to a piezoelectric crystal.
Van Den Heuvel, Anthony P.   +2 more
core  

Mode Switchable Guided Elastic Wave Transducer Based on Piezoelectric Fibre Patches

open access: yes, 2021
S.723-730An improved transducer for shear horizontal guided waves is presented. Two ideas are combined: (1) the generation of pure shear tractions by stapling two piezoelectric fiber patches and (2) matching the excitation pattern with the spatial-time ...
Y. Kim   +7 more
core   +1 more source

Аппаратно-программный комплекс оценки количества и интенсивности потоотделения человека [PDF]

open access: yes, 2014
This article deals with human perspiration diagnostics. We developed a technical system for evaluation of excreted sweat amount and human perspiration intensity based on capacitive interdigital ...
Воробей, А. М.   +4 more
core   +1 more source

An Electronic-Nose Sensor Node Based on a Polymer-Coated Surface Acoustic Wave Array for Wireless Sensor Network Applications

open access: yesSensors, 2011
This study developed an electronic-nose sensor node based on a polymer-coated surface acoustic wave (SAW) sensor array. The sensor node comprised an SAW sensor array, a frequency readout circuit, and an Octopus II wireless module.
Kea-Tiong Tang   +2 more
doaj   +1 more source

Surface-Acoustic-Wave Sensor Design for Acceleration Measurement

open access: yesSensors, 2018
We suggest a concept design of a SAW-based microaccelerometer with an original triangular-shaped console-type sensing element. Our design is particularly optimized to increase the robustness against positioning errors of the SAW resonators on the ...
Sergey Shevchenko   +3 more
doaj   +1 more source

Propagation of SHF ultrasonic bulk waves in devices based on lithium niobate crystals

open access: yesТехнологія та конструювання в електронній апаратурі, 2007
The propagation of microwave shear bulk waves excited from the XY surface of a Z-cut LiNbO3 crystal by an interdigital transducer has been studied. Results of dark-field visualization of acoustic wavefronts are presented. It is shown that the drift angle
D. M. Vynnyk, T. I. Voronyak
doaj  

Acoustic sensor for remote measuring of pressure [PDF]

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2008
The paper deals with sensors based on delay lines on surface acoustic waves (SAW), having a receiving-emitting and a reflective interdigital transducers (IDT).
Kataev V. F.   +3 more
doaj  

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