surface acoustic wave-based sensors
Bendable ZnO thin film surface acoustic wave devices on polyethylene terephthalate substrate
... electronics, sensors and microfluidics 14 ...film based bendable SAW device using PET as the flexible substrate, and demonstrate the performance of the SAW devices under various strains, and explore its ...
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ZIF Nanocrystal-Based SAW Electronic Nose to Detect Diabetes in Human Breath
... SAW sensors based on shear horizontal (SH) waves guided by a layer with a lower propagation velocity than the piezoelectric ...the wave is confined in the guiding layer and any perturbation in it ...
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Observations of Surface Acoustic Wave Strain and Resistive Strain Measurements on Broaching Tools for Process Monitoring
... the sensors was selected based on other analysis work undertaken to identify the main directions of strain and how those directions change during the broaching ...
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Flexible surface acoustic wave strain sensor based on single crystalline LiNbO3 thin film
... over a wide strain range up to ±3500 µε . The sensitivities of the Rayleigh mode and TSM mode to strain are 193 and 28 Hz/ µε , respectively, and the maximum hysteresis is less than 1.5%. By using the dual modes, the ...
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Bendable transparent ZnO thin film surface acoustic wave strain sensors on ultra-thin flexible glass substrates
... glass based SAW devices exhibited similar power transmission performance, but have better optical transmittance than those on rigid ...strain sensors worked well under various applied strains up to ±3000 µε ...
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Detection efficiency of acoustic biotelemetry sensors on Wave Gliders
... For future studies, the most suitable autonomous plat- form may depend on study region and timescale relevant to the research question. Propelled vehicles are capable of covering a large area in a short amount of time ...
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Development of flexible ZnO thin film surface acoustic wave strain sensors on ultrathin glass substrates
... shows the fabricated devices on a glass wafer, showing its good flexibility and transparency. The measurement setup for strain sensing experiments was explained in our previous work 8 . The bare SAW device (3 mm × 4mm) ...
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Engineering silver nanostructures for surface acoustic wave humidity sensors sensitivity enhancement
... Surface acoustic wave (SAW) resonators are a type of sensors with high sensitivity to changes occurred on/in the surface, including temperature, humidity, mass loading, electrical field ...
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Fabrication of high temperature surface acoustic wave devices for sensor applications
... Micheal Binhack was born in Frankfurt, Germany on February 24 in 1971. He studied Microelectronics and Sensor Technologies at the Tech- nial University of Ilmenau from 1993 to 1998. He works as a scientific assistant at ...
5
The Design of Surface Acoustic Wave Receiving Circuit Based on Piezoelectric Transducer
... first level and the third level of gains are changeless. The second level of amplifi- cation uses voltage controlled chip as automatic gain amplifier, and the received signal peak is amplified, sampled and held, for ...
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Development of laser ablation method for fabrication of surface acoustic wave sensors by using micro electric mechanical system theory (MEMS)
... the surface acoustic waves theory to sense by the signal and using, that physical phenomenon [1] [3], we made a sensor and develop it by using laser ablation in this part we discuss the different between ...
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High frequency surface acoustic wave resonator based sensor for particulate matter detection
... SAW sensors have been designed to resonate in a feedback loop of a simple radio frequency oscillator circuit at 262 ...The acoustic wave attenuation at the IDT/substrate interface is very low [11] ...
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MEMS alcohol sensor for safety of driver in automobiles
... Systems) based alcohol sensor to detect the presence of alcohol in a ...MEMS based alcohol sensor is to reduce the size of existing sensor, thereby providing high sensitivity, high stability, non-invasive ...
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A film bulk acoustic resonator oscillator based humidity sensor with graphene oxide as the sensitive layer
... Humidity sensors based on changes in capacitance[1] and resistance[2] of devices have been extensively investigated using porous materials or polymers as the sensing ...films. Acoustic wave ...
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Study of Surface Acoustic Wave Sensor
... ABSTRACT: Surface acoustic wave (SAW) sensors are a class of Micro Electro Mechanical System (MEMS), which rely on the modulation of the surface acoustic waves to sense a ...
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Thermal annealing effect on ZnO surface acoustic wave-based ultraviolet light sensors on glass substrates
... An Agilent E5071C network analyzer was used to characterize the SAW devices, which was controlled by a LabVIEW-based measurement program. A UV lamp (ANUP 5252, Panasonic) with a 365 nm monochromator was used as ...
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Flexible surface acoustic wave broadband strain sensors based on ultra-thin flexible glass substrate
... The SAW strain sensors are very stable and reliable when it is subjected to cyclic bending tests under large strains. Fig. 3 shows the cyclic bending test result for a SAW sensor ( λ = 20 μ m, 2.7 μ m ZnO, ...
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Design, manufacture, modelling and testing of surface acoustic wave strain sensors
... as sensors began in the early 1970s, prompted by the need to identify sources of device instability; early developments are reviewed in ...Pressure sensors based on SAW oscillators were first dis- ...
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Towards a cell based chemo receiver for artificial insect olfaction
... chemical sensors (although other piezoelectric materials such as lithium niobate, lithium tantalite or zinc oxide can be used) are coated with chemically selective functional coatings to accumulate vapor molecules ...
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Design and characterisation of long period grating (LPG) - based optical fibre sensors for acoustic wave detection
... to acoustic waves in water, Garrett et ...the acoustic waves in opposite ...work based on this architecture has been proposed for the detection of sound along the littoral [88] sea bed and ...
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