Results 21 to 30 of about 102,224 (204)

Micro/Nanoscale Acoustic Manipulation: From Particle Control to Autonomous Microswimmers. [PDF]

open access: yesAdv Sci (Weinh)
This conceptual framework illustrates acoustic technology as a multifunctional platform enabling passive particle manipulation across scales and autonomous propulsion of microswimmers. ABSTRACT Acoustic manipulation and propulsion technologies have emerged as powerful platforms for micro/nanoscale control, enabled by their non‐contact operation, label ...
Chu J, Zhang L, Wang X, Li W, Liu Y.
europepmc   +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

Piezoelectric materials for application in low profile interdigital transducer designs

open access: yes, 1997
This paper presents a comparative study between piezopolymer (PVDF) and piezo-platelet active layers in flexible interdigital transducer (IDT) designs for the generation of ultrasonic Lamb waves in thin plate structures.
Gachagan, Anthony   +4 more
core   +4 more sources

Full extraction of the COM parameters for Rayleigh type surface acoustic wave

open access: yesAIP Advances, 2022
Extraction of Coupling of Modes (COM) parameters is important in the design of modern high-performance surface acoustic wave (SAW) devices. In this study, we established an effective connection between the COM parameters and the results of stationary and
Xueping Sun   +4 more
doaj   +1 more source

Splitting a droplet with oil encapsulation using surface acoustic wave excited by electric signal with low power

open access: yesAIP Advances, 2013
A new method for splitting a droplet with oil encapsulation is presented. An interdigital transducer and a reflector are fabricated on a 128° yx-LiNbO3 piezoelectric substrate using microelectric technology.
Anliang Zhang, Yan Zha, Xingting Fu
doaj   +1 more source

The Peculiarities of the Acoustic Waves of Zero-Order Focusing in Lithium Niobate Plate

open access: yesSensors, 2021
In this research, beam focusing in lithium niobate plate was studied for fundamental anti-symmetric (A0) and symmetric (S0) Lamb waves, and the shear-horizontal (SH0) wave of zero-order.
Iren Kuznetsova   +10 more
doaj   +1 more source

Single-Input and Multiple-Output Surface Acoustic Wave Sensing for Damage Quantification in Piezoelectric Sensors

open access: yesSensors, 2018
The main aim of the paper is damage detection at the microscale in the anisotropic piezoelectric sensors using surface acoustic waves (SAWs). A novel technique based on the single input and multiple output of Rayleigh waves is proposed to detect the ...
Lavish Pamwani   +4 more
doaj   +1 more source

Design And Measurement Of A Saw 3-Phase Unidirectional Transducer Reflector

open access: yes, 1993
A novel reflector made from the highly unidirectional structure of the three-phase interdigital transducer resulting in high reflection coefficients from extremely short transducer lengths is presented.
Richie, S. M., Garrity, M. E.
core   +2 more sources

Particle separation in microfluidics using different modal ultrasonic standing waves

open access: yesUltrasonics Sonochemistry, 2021
Microfluidic technology has great advantages in the precise manipulation of micro and nano particles, and the separation of micro and nano particles based on ultrasonic standing waves has attracted much attention for its high efficiency and simplicity of
Yaolong Zhang, Xueye Chen
doaj   +1 more source

Initial Design and Quick Analysis of SAW Ultra–Wideband HFM Transducers [PDF]

open access: yesRadioengineering, 2017
This paper presents techniques for initial design and quick fundamental and harmonic operation analysis of surface acoustic waves ultra–wideband hyperbolically frequency modulated (HFM) interdigital transducer (IDT).
A. Janeliauskas   +5 more
doaj  

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