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Finite Element Model of Surface Acoustic Wave Scattering with High-Aspect-Ratio Irregularities

S. Iuliia [1], Y. Sergey [1], K. Sergey [1], P. Alexey [1],
[1] Saratov State University, Saratov, Russia

The design of surface acoustic wave (SAW) devices needs the accurate study of the scattering fields, arising ... 扩展阅读

Computing Surface Acoustic Wave Dispersion and Band Gaps

R. Westafer [1], S. Mohammadi [1], A. Adibi [1], W. Hunt [1]
[1] School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA

The dispersion of surface acoustic waves (SAWs) has long been studied for diverse applications ranging from ... 扩展阅读

A shift-and-weight method for fast interpolation of probe charge electrostatic potentials

C. Roman¹, N. Spiegelhalter¹, C. Hierold¹
¹ETH Zurich, Switzerland

The Poisson equation, as implemented in the COMSOL Multiphysics® AC/DC module, solves for the electrostatic ... 扩展阅读

Surface Acoustic Wave Based MEMS Resonator

S. Dixit[1], R. C. Jain[1]
[1]Jaypee Institute of Information Technology, Noida, Uttar Pradesh, India

Surface Acoustic Waves (SAW) is the acoustic wave that propagates along the surface of the substrate with ... 扩展阅读

COMSOL Multiphysics® Software for Modeling STW Devices

V. Plessky [1], V. Yantchev [2]
[1] GVR Trade SA, Gorgier, Swizterland
[2] Individual Consultant, Sofia, Bulgaria

Electroacoustic resonators employing surface acoustic waves (SAW) are commercially widely used in RF filters, ... 扩展阅读

Finite Element Evaluation of Surface Acoustic Wave Reflection and Scattering from Topographic Irregularities Comparable with the Wavelength

S. Yankin[1,2], S. Suchkov[2], S. Nikitov[2,3], B. Sveshnikov[2], I. Shatrova [2]
[1]Joint International Laboratory LICS/LEMAC, IEMN UMR CNRS 8520, EC Lille,Villeneuve d’Ascq, France
[2]Saratov State University, Saratov, Russia
[3]Institute of Radio-engineering and Electronics, Russian academy of Science, Moscow, Russia

Design of SAW devices needs the accurate study of the scattering fields, arising from the interaction of SAW ... 扩展阅读

Orientation of Piezoelectric Crystals and Acoustic Wave Propagation

G. Zhang[1]
[1]Clemson University, Clemson, SC, USA

Surface acoustic wave (SAW) devices are commonly used as wireless filters, resonators, and sensors. The ... 扩展阅读

Surface Acoustic Wave Scattering Matrix Evaluation Using COMSOL Multiphysics®: Application to Surface Acoustic Wave Transmission Through 2D Surface Phononic Crystal

S. Yankin[1,2], A. Talbi[1], V. Preobrazhensky[1,3], P. Pernod[1], O. Bou Matar[1], A. Pavlova[1]
[1] Joint International Laboratory LICS/LEMAC, IEMN UMR CNRS 8520, EC Lille, Villeneuve d'Ascq, France
[2] Saratov State University, Saratov, Russia
[3] Wave Research Center, Russian Academy of Sciences, Moscow, Russia

This contribution is dedicated to numerical analysis of SAW propagation though 2D surface phononic crystal ... 扩展阅读

氮化铝钪/金刚石声表面波传播特性研究

马俊 [1], 钱进 [1],
[1] 天津理工大学

随着电子通信的不断发展和普及，对声表面波器件（SAW）的性能要求也逐渐提升。在器件不断变小，工作环境的不断恶劣的情况下，声表面波器件也需要更高的频率、更好的稳定性能以及更大的带宽等新的提升。对于传统的氮化铝 ... 扩展阅读

Development of improved ultrasonic transducers for medical surgery

D.R. Andrews¹
¹Cambridge Ultrasonics Ltd

Finite element modelling of surgical transducers has been performed and is described. Ultrasonic ... 扩展阅读

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