Results 101 to 110 of about 228,379 (215)
Flexural Plate Wave Piezoelectric MEMS Pressure Sensor
ProceedingsA piezoelectric MEMS pressure sensor that exploits the first antisymmetric vibration mode (A0) of Lamb waves is presented. The 6 mm × 6 mm diaphragm used to sense the applied pressure is composed of a stack of doped silicon (Si) and aluminum nitride (AlN)
Alessandro Nastro +5 more
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S-band SBAW microwave source, phase 2 [PDF]
Results of aging experiments on 1.072 GHz SBAW oscillators are discussed as well as the design, fabrication and test of 2.143 GHz SBAW delay lines. Two design approaches were implemented.
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AIP AdvancesUltrasonic guided wave transducers have become a key technology in the field of structural health monitoring due to their broad detection range and high sensitivity.
Jiazhen Zhang +5 more
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An approximation to the planar harmonic impedance for interface waves in piezoelectric body
Archives of Acoustics, 2009 TIt is well known that spatial-temporal Green function characterizes sufficiently the elastic media. For the case of elastic interface waves which propagate at the interface between two, perfectly mechanically contacting piezoelectric ...
Eugeniusz J. DANICKI
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Interdigital transducers for 2-dimensional image scanning
Electronics Letters, 1976 The letter describes the properties of an interdigital transducer which can be used for 2-dimensional image scanning with acoustic surface waves.
openaire +1 more source
Archives of Acoustics, 2015 A model of the interdigital transducer of surface acoustic wave (SAW) is introduced on the strength of the scattering matrix for a single metal strip of the periodic system deposited on a piezoelectric substrate surface. The model describes properties of
Eugeniusz DANICKI
doaj
Lamb wave transducers made of piezoelectric macro-fiber composite [PDF]
During recent years, an intensive research activity concerning the application of Lamb waves (LWs) for SHM has been observed. LWs may be generated and sensed using different types of transducers, and their selection is essential for the SHM system’s ...
Adam Martowicz +4 more
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Recent Progress in Flexible Surface Acoustic Wave Sensing Technologies
MicromachinesIn this work, the major methods for implementing flexible sensing technology—flexible surface acoustic wave (SAW) sensors—are summarized; the working principles and device characteristics of the flexible SAW sensors are introduced; and the latest ...
Chenlong Liang +6 more
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Spatiotemporal acoustic meta-patches for multifactorial wound treatment
Bioactive MaterialsUltrasound patches have demonstrated values in non-invasive diagnostics through echo reception, while their therapeutic potentials are restricted by precisely controlling ultrasound energy and integrating multi-effects.
Zhuhao Wu, Jingjing Gan, Yuanjin Zhao
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, 2018 There is an ever growing need to ensure the quality of food and assess specific quality parameters in all the links of the food chain, ranging from processing, distribution and retail to preparing food. Various imaging and sensing technologies, including
Capdeboscq, Yves +3 more
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