Search Results - "Alzuaga, Sébastien"
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Tunable and high quality factor SrTiO3 surface acoustic wave resonator
Published in Applied physics letters (11-08-2014)“…We fabricated a tunable surface acoustic wave resonator in the 2 GHz-frequency range by depositing and patterning 2 μm-wide pitch inter-digitated Al electrodes…”
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Acoustic Transducers as Passive Cooperative Targets for Wireless Sensing of the Sub-Surface World: Challenges of Probing with Ground Penetrating RADAR
Published in Sensors (Basel, Switzerland) (16-01-2018)“…Passive wireless transducers are used as sensors, probed by a RADAR system. A simple way to separate the returning signal from the clutter is to delay the…”
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Detection and High-Precision Positioning of Liquid Droplets Using SAW Systems
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-10-2007)“…The capability to accurately handle liquids in small volumes is a key point for the development of lab-on-chip devices. In this paper, we investigate an…”
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Stress-sensitivity of wafer-level packaged SAW delay lines
Published in 2016 European Frequency and Time Forum (EFTF) (01-04-2016)“…This paper presents the investigation of the influence of wafer-level packaging (WLP) on the stress-sensitivity of 100 and 200 MHz delay lines aimed to…”
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Conference Proceeding -
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Piezoelectric radiofrequency transducers as passive buried sensors
Published in Nondestructive testing and evaluation (01-09-2012)“…We demonstrate that single-piezoelectric substrate-based acoustic transducers act as ideal sensors for probing with various RADAR strategies. Because these…”
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Action of low frequency vibration on liquid droplets and particles
Published in Ultrasonics (22-12-2006)“…Liquids handling is an important issue in biomedical analysis. Two different devices for acoustic manipulation of droplets have already been tested. The first…”
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Fabrication of a single-crystal Bragg mirror for solidly-mounted resonators and transducers
Published in 2012 IEEE International Ultrasonics Symposium (01-10-2012)“…In this work, we propose a Bragg mirror for Quartz resonator at 10MHz. Two processes based on bonding and thinning wafers is proposed. A stack of ten bonding…”
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Conference Proceeding -
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Electron-beam processed SAW devices for sensor applications
Published in 2009 6th International Multi-Conference on Systems, Signals and Devices (01-03-2009)“…In this paper, electron-beam (e-beam) lithography for processing of surface acoustic wave devices is investigated, and its suitability for large-scale…”
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Conference Proceeding -
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Simulation and experimental measurements of high-overtoned bulk acoustic resonators (H-BAR)
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Conference Proceeding -
10
SAW resonators using electrostrictive effect
Published in 2013 IEEE International Ultrasonics Symposium (IUS) (01-07-2013)“…We report on the study of tunable surface acoustic waves (SAW) resonators fabricated on SrTiO 3 (STO) substrate. Linear electromechanical coupling (induced…”
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Conference Proceeding -
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High-overtone bulk acoustic wave resonator on galliumnitride
Published in 2009 IEEE International Frequency Control Symposium Joint with the 22nd European Frequency and Time forum (01-04-2009)“…In our previous research we already demonstrated micro acoustic devices, such as membrane based thin film bulk acoustic shear wave resonators and surface…”
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Conference Proceeding