ultrasonic transducers
A Survey on Ultrasonic Transducers Technology
... Ultrasonic transducers can be classified according to the physical mechanism upon which they are based to convert electrical energy into ultrasonic energy, and vice ...these transducers in ...
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A finite element approach to modelling fractal ultrasonic transducers
... Piezoelectric ultrasonic transducers usually employ composite structures to improve their transmission and reception ...an ultrasonic wave in this transducer is then analyzed and used to derive ...
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Quiet Zone Design in Diffuse Fields Using Ultrasonic Transducers
... In this section the formulations for the design of the quiet zones in diffuse fields using ultrasonic transducers are presented. The primary field used in the work is assumed to be diffuse and comprised of ...
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Noncontact Driving System Using Induction Based Method and Integrated Piezoelectric Ultrasonic Transducers
... piezoelectric Ultrasonic Transducers (UTs) are widely used for the real-time, in situ, or off-line nondestructive evaluation (NDE) of large metallic and polymeric composite structures including airplanes, ...
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Nonlinearity in the dynamic response of flexural ultrasonic transducers
... Many ultrasonic devices are designed to be operated at high power and, therefore, high vibration amplitude ...tudes, ultrasonic transducers can exhibit nonlinear ...commercial ultrasonic ...
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Design of high frequency ultrasonic transducers with flexure decoupling flanges for thermosonic bonding
... design transducers, however, the calculations were not so accurate because there are usually some assumptions ...The transducers designed using these analytical methods usually need to be repeatedly ...
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The electro mechanical behaviour of flexural ultrasonic transducers
... Flexural ultrasonic transducers are capable of high electro-mechanical coupling efficiencies for the generation or detection of ultrasound in ...of ultrasonic sensor, commonly used in parking ...
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Liquid flow measurement using silicone polymer wedge clamp on ultrasonic transducers
... of ultrasonic transit-time clamp-on measurements are well ...The ultrasonic transducers used in high quality clamp-on systems tend to be high cost items, containing an ultrasonic wedge of ...
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An Analytical Approach to Design of Ultrasonic Transducers Considering Lateral Vibrations
... Langevin ultrasonic transducers with lateral dimensions larger than a quarter of the longitudinal wave ...Langevin transducers are widely used in various applications such as cleaning, plastic and ...
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Additive manufacture of impedance matching layers for air coupled ultrasonic transducers
... Air-coupled ultrasonic transducers are used in many application areas, including gas flow measurement [1-2] and non-contact inspection of materials such as paper, foam, and composites ...conventional ...
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High frequency measurement of ultrasound using flexural ultrasonic transducers
... flexural ultrasonic transducer can be undertaken through different techniques including laser Doppler vibrometry (LDV) or with an acoustic ...flexural ultrasonic transducers configured in a ...
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Composition measurements of crude oil and process water emulsions using thick film ultrasonic transducers
... thick-film ultrasonic transducers for composition measurements in heterogeneous ...the transducers for mixtures of vegetable oil and salty water, the current paper looks in more detail into their ...
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Additive manufacturing (AM) capacitive acoustic and ultrasonic transducers using a commercial direct light processing (DLP) printer
... and ultrasonic transducers show limitations in miniaturization, repeatability (defects) and ...and ultrasonic transducer, including its fabrication process using a commercial digital light processing ...
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The dynamic performance of flexural ultrasonic transducers
... resulting ultrasonic disturbances generated in a ...real transducers with unavoidable, slightly different mechanical responses will behave in experimental conditions and ...
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Analysis of ultrasonic transducers with fractal architecture
... Ultrasonic transducers composed of a periodic piezoelectric composite are gen- erally accepted as the design of choice in many applications. Their architecture is normally very regular and this is due to ...
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Dynamic nonlinearity in Piezoelectric flexural ultrasonic transducers
... power ultrasonic transducers operating at sufficiently high amplitude, dynamic nonlinearity can be exhibited as Duffing- type behavior, where characteristics such as the jump phe- nomenon and amplitude ...
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Impact Analysis of Variation in Geometrical Features on Intrinsic Characteristics of Capacitive Micro-machined Ultrasonic Transducers
... Capacitive Micro-machined Ultrasonic Transducers (CMUTs) are the ultrasonic devices which produce better features in contrast to piezoelectric transducers. The intrinsic parameter of CMUT ...
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Mn-doped CaBi4Ti4O15/Pb(Zr,Ti)O3 Ultrasonic Transducers for Continuous Monitoring at Elevated Temperatures
... Sensitivity of CBT/PZT films fabricated on 3-mm-thick 900-mm 2 titanium substrate at 152. various temperatures during thermal cycle[r] ...
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Capacitive Micromachined Ultrasonic Transducers (CMUTs) on Glass Substrates for Next-Generation Medical Imaging and Beyond
... CMUT single transducers and 1D arrays on glass substrates using anodic bonding.. In Chapter 4, we incorporate through-glass-via (TGV) interconnects into the platform process.[r] ...
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Optically excited nanoscale ultrasonic transducers
... the transducers’ main resonance is 8:5 GHz but this is down-shifted to 7:8 GHz in the regions coated with protein as the additional mass of the pro- tein adhered to the surface reduces the resonant frequency of ...
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