Interdigital transducer generated surface acoustic waves suitable for powder transport

2017 ◽  
Vol 28 (2) ◽  
pp. 491-498
Author(s):  
Tsunemasa Saiki ◽  
Akio Tsubosaka ◽  
Akinobu Yamaguchi ◽  
Michitaka Suzuki ◽  
Yuichi Utsumi
Keyword(s):  
Acoustic Waves ◽  
Surface Acoustic Waves ◽  
Interdigital Transducer

scholarly journals Subwavelength focusing of surface acoustic waves generated by an annular interdigital transducer

2008 ◽  
Vol 92 (9) ◽  
pp. 094104 ◽  
Author(s):  
Vincent Laude ◽  
Davy Gérard ◽  
Naima Khelfaoui ◽  
Carlos F. Jerez-Hanckes ◽  
Sarah Benchabane ◽  
...  
Keyword(s):  
Acoustic Waves ◽  
Surface Acoustic Waves ◽  
Interdigital Transducer

scholarly journals Selective cell encapsulation, lysis, pico-injection and size-controlled droplet generation using traveling surface acoustic waves in a microfluidic device

Lab on a Chip ◽  
2020 ◽  
Vol 20 (21) ◽  
pp. 3914-3921
Author(s):  
Kirk Mutafopulos ◽  
Peter J. Lu ◽  
Ryan Garry ◽  
Pascal Spink ◽  
David A. Weitz
Keyword(s):  
Microfluidic Device ◽  
Acoustic Waves ◽  
Single Cells ◽  
Surface Acoustic Waves ◽  
Cell Encapsulation ◽  
Droplet Generation ◽  
New Materials ◽  
On Demand ◽  
Interdigital Transducer ◽  
Size Controlled

We generate traveling surface acoustic waves with an interdigital transducer to create droplets on-demand; encapsulate single cells; lyse cells and immediately encapsulate their contents; and pico-inject new materials into existing droplets.

scholarly journals Влияние конфигурации и материала встречно-штыревых преобразователей на возбуждение поверхностных и псевдоповерхностных акустических волн в подложках ниобата лития

2019 ◽  
Vol 45 (14) ◽  
pp. 40
Author(s):  
А.В. Варламов ◽  
В.В. Лебедев ◽  
П.М. Агрузов ◽  
И.В. Ильичёв ◽  
А.В. Шамрай
Keyword(s):  
Lithium Niobate ◽  
Acoustic Waves ◽  
Surface Acoustic Waves ◽  
Resonant Excitation ◽  
Dispersion Characteristics ◽  
Excitation Efficiency ◽  
Wave Distribution ◽  
Interdigital Transducer ◽  
Excitation Frequencies

The excitation, distribution, and interaction of surface acoustic waves (SAW) and pseudo surface acoustic waves (PSAW) in a X-cut lithium niobate substrates were investigated. The resonant excitation frequencies, the wave distribution velocities and the dispersion characteristics were determined for each of the wave types. The influence of the interdigital transducer (IDT) material on the excitation efficiency and the interaction between investigated wave types was found out. The interdigital transducer material and configuration requirements for integrated acousto-optic devices were determined.

Surface Acoustic Wave Excitation Using a Pulse Wave

2016 ◽  
Vol 10 (4) ◽  
pp. 564-573
Author(s):  
Ryo Tamon ◽  
◽  
Masaya Takasaki ◽  
Takeshi Mizuno ◽  
Keyword(s):  
Acoustic Waves ◽  
Pulse Wave ◽  
Surface Acoustic Waves ◽  
Wave Excitation ◽  
Sinusoidal Wave ◽  
Function Generator ◽  
Linear Amplifier ◽  
Pulse Waves ◽  
Interdigital Transducer ◽  
Tactile Sensations

Surface acoustic waves (SAWs) excited by bursts of sinusoidal waves have been used in various applications. However, the SAW actuators used for this purpose are expensive because each SAW transducer must be equipped with a radio frequency linear amplifier and a function generator. To simplify the driving circuits of these actuators, SAW excitation using a pulse wave is proposed in this report. Simulated results for an equivalent circuit of a single interdigital transducer and measurements of SAWs excited by pulse waves are presented. The generation of tactile sensations using a SAW excited by a pulse wave is also reported. Furthermore, the power requirements for SAW excitation by a sinusoidal wave and by a pulse wave are compared.

Surface acoustic waves on a sphere with divergent, focusing, and collimating beam shapes excited by an interdigital transducer

2003 ◽  
Vol 83 (22) ◽  
pp. 4649-4651 ◽  
Author(s):  
Satoru Ishikawa ◽  
Noritaka Nakaso ◽  
Nobuo Takeda ◽  
Tsuyoshi Mihara ◽  
Yusuke Tsukahara ◽  
...  
Keyword(s):  
Acoustic Waves ◽  
Surface Acoustic Waves ◽  
Interdigital Transducer

Characterization of RF Sputtered ZnO Piezoelectric Films Using Transmission Electron Microscope

1975 ◽  
Vol 33 ◽  
pp. 86-87
Author(s):  
Kemining W. Yeh ◽  
Richard S. Muller ◽  
Wei-Kuo Wu ◽  
Jack Washburn
Keyword(s):  
Integrated Circuit ◽  
Acoustic Waves ◽  
New Technology ◽  
Surface Acoustic Waves ◽  
Electromechanical Properties ◽  
Leading Role ◽  
Saw Devices ◽  
Transmission Electron ◽  
High Degree

Considerable and continuing interest has been shown in the thin film transducer fabrication for surface acoustic waves (SAW) in the past few years. Due to the high degree of miniaturization, compatibility with silicon integrated circuit technology, simplicity and ease of design, this new technology has played an important role in the design of new devices for communications and signal processing. Among the commonly used piezoelectric thin films, ZnO generally yields superior electromechanical properties and is expected to play a leading role in the development of SAW devices.

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