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Journal articles on the topic 'Microacoustic'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

da Fonseca, R. J. M., Y. M. B. de Almeida, B. Cros, J. M. Saurel, and M. J. M. Abadie. "Microacoustic characterization of photopolymer crosslinkage." Thin Solid Films 251, no. 2 (November 1994): 110–15. http://dx.doi.org/10.1016/0040-6090(94)90674-2.

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2

Herrmann, F., B. Jakoby, J. Rabe, and S. Büttgenbach. "Microacoustic Sensors for Liquid Monitoring." Sensors Update 9, no. 1 (May 2001): 105–60. http://dx.doi.org/10.1002/1616-8984(200105)9:1<105::aid-seup105>3.0.co;2-i.

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3

Hadjoub, I., A. Doghmane, and Z. Hadjoub. "Microacoustic investigations of different structural forms of silicon." Journal de Physique IV (Proceedings) 124 (May 2005): 141–46. http://dx.doi.org/10.1051/jp4:2005124022.

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4

Penza, M., M. A. Tagliente, P. Aversa, G. Cassano, and L. Capodieci. "Single-walled carbon nanotubes nanocomposite microacoustic organic vapor sensors." Materials Science and Engineering: C 26, no. 5-7 (July 2006): 1165–70. http://dx.doi.org/10.1016/j.msec.2005.09.059.

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5

Petronyuk, Yu S., and V. M. Levin. "Microacoustic study of anisotropy in optically isotropic pyrolytic nanocarbon." Crystallography Reports 50, no. 4 (July 2005): 690–94. http://dx.doi.org/10.1134/1.1996747.

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6

Jakoby, B., and M. J. Vellekoop. "FFT-based analysis of periodic structures in microacoustic devices." IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 47, no. 3 (May 2000): 651–56. http://dx.doi.org/10.1109/58.842053.

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7

Winkler, A., A. Kirchner, P. Bergelt, R. Hühne, and S. Menzel. "Thin film deposition based on microacoustic sol atomization (MASA)." Journal of Sol-Gel Science and Technology 78, no. 1 (December 22, 2015): 26–33. http://dx.doi.org/10.1007/s10971-015-3927-6.

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8

Penza, M., M. A. Tagliente, P. Aversa, and G. Cassano. "Organic-vapor detection using carbon-nanotubes nanocomposite microacoustic sensors." Chemical Physics Letters 409, no. 4-6 (June 2005): 349–54. http://dx.doi.org/10.1016/j.cplett.2005.05.005.

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9

Jakoby, B., F. P. Klinger, and P. Svasek. "A novel microacoustic viscosity sensor providing integrated sample temperature control." Sensors and Actuators A: Physical 123-124 (September 2005): 274–80. http://dx.doi.org/10.1016/j.sna.2005.03.024.

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10

Doghmane, A. "Microacoustic evaluation of elastic parameters of highly porous silicon layers." Semiconductor physics, quantum electronics and optoelectronics 9, no. 3 (October 31, 2006): 4–11. http://dx.doi.org/10.15407/spqeo9.03.004.

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11

Jakoby, B., G. Art, and J. Bastemeijer. "Novel analog readout electronics for microacoustic thickness shear-mode sensors." IEEE Sensors Journal 5, no. 5 (October 2005): 1106–11. http://dx.doi.org/10.1109/jsen.2005.844330.

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12

Cros, B., N. Brunet, and J. Attal. "Increase in performances of focused microacoustic sensors by couplant adjustment." European Physical Journal Applied Physics 9, no. 1 (January 2000): 81–85. http://dx.doi.org/10.1051/epjap:2000204.

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13

Voglhuber-Brunnmaier, Thomas, and Bernhard Jakoby. "A Refined Modeling for the Liquid Loading Effect in Microacoustic Sensors." Procedia Engineering 25 (2011): 435–38. http://dx.doi.org/10.1016/j.proeng.2011.12.108.

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14

Roque, V., B. Cros, D. Baron, and P. Dehaudt. "Effects of the porosity in uranium dioxide on microacoustic and elastic properties." Journal of Nuclear Materials 277, no. 2-3 (February 2000): 211–16. http://dx.doi.org/10.1016/s0022-3115(99)00192-0.

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15

Turner, P. J., B. Garcia, V. Yantchev, G. Dyer, S. Yandrapalli, L. G. Villanueva, R. B. Hammond, and V. Plessky. "5 GHz Band n79 wideband microacoustic filter using thin lithium niobate membrane." Electronics Letters 55, no. 17 (August 2019): 942–44. http://dx.doi.org/10.1049/el.2019.1658.

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16

Hsu, Feng-Chia, Jin-Chen Hsu, Tsun-Che Huang, Chin-Hung Wang, and Pin Chang. "Design of lossless anchors for microacoustic-wave resonators utilizing phononic crystal strips." Applied Physics Letters 98, no. 14 (April 4, 2011): 143505. http://dx.doi.org/10.1063/1.3573776.

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17

Kuntner, J., G. Stangl, and B. Jakoby. "Characterizing the rheological behavior of oil-based liquids: microacoustic sensors versus rotational viscometers." IEEE Sensors Journal 5, no. 5 (October 2005): 850–56. http://dx.doi.org/10.1109/jsen.2005.851010.

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18

Jakoby, B., H. Eisenschmid, and F. Herrmann. "The potential of microacoustic SAW- and BAW-based sensors for automotive applications - a review." IEEE Sensors Journal 2, no. 5 (October 2002): 443–52. http://dx.doi.org/10.1109/jsen.2002.806748.

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19

Yantchev, Ventsislav, and Victor Plessky. "Analysis of two dimensional composite surface grating structures with applications to low loss microacoustic resonators." Journal of Applied Physics 114, no. 7 (August 21, 2013): 074902. http://dx.doi.org/10.1063/1.4818476.

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20

Riesch, Christian, Erwin K. Reichel, Franz Keplinger, and Bernhard Jakoby. "Characterizing Vibrating Cantilevers for Liquid Viscosity and Density Sensing." Journal of Sensors 2008 (2008): 1–9. http://dx.doi.org/10.1155/2008/697062.

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Miniaturized liquid sensors are essential devices in online process or condition monitoring. In case of viscosity and density sensing, microacoustic sensors such as quartz crystal resonators or SAW devices have proved particularly useful. However, these devices basically measure a thin-film viscosity, which is often not comparable to the macroscopic parameters probed by conventional viscometers. Miniaturized cantilever-based devices are interesting alternatives for such applications, but here the interaction between the liquid and the oscillating beam is more involved. In our contribution, we describe a measurement setup, which allows the investigation of this interaction for different beam cross-sections. We present an analytical model based on an approximation of the immersed cantilever as an oscillating sphere comprising the effective mass and the intrinsic damping of the cantilever and additional mass and damping due to the liquid loading. The model parameters are obtained from measurements with well-known sample liquids by a curve fitting procedure. Finally, we present the measurement of viscosity and density of an unknown sample liquid, demonstrating the feasibility of the model.

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21

Sun, Hao, Yingshuai Liu, and Jianwei Tan. "Research on Testing Method of Oil Characteristic Based on Quartz Tuning Fork Sensor." Applied Sciences 11, no. 12 (June 18, 2021): 5642. http://dx.doi.org/10.3390/app11125642.

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There is increasing demand for the on-board diagnosis of lubricating oils. In this research, we consider various sensor principles for on-board diagnosis of the thermal aging of engine oils. One of the parameters investigated is the viscosity of the lubricating oil, which can be efficiently measured using a microacoustic sensor. Compared with conventional viscometers, these sensors probe a different rheological domain, which needs to be considered in the interpretation of measurement results. This specific behavior is examined by systematically investigating engine oils, with and without additive packages, that were subjected to a defined artificial aging process. This paper presents design strategies for the algorithm developed and applied for direct on-board diagnosis of engine oil conditions with a fluid property sensor; this enables prediction of remaining oil life and optimization of oil change intervals, thereby minimizing the likelihood of dramatic engine failure and reducing maintenance costs. After a general description of the principles of sensor measurement, different engine oil contaminants, aging phenomena, and associated sensor detection and measurement capabilities are discussed.

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22

Frost, Deborah A., R. Lynn McComas, and Benjamin P. Sandford. "The Effects of a Surgically Implanted Microacoustic Tag on Growth and Survival in Subyearling Fall Chinook Salmon." Transactions of the American Fisheries Society 139, no. 4 (July 2010): 1192–97. http://dx.doi.org/10.1577/t09-118.1.

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23

Geist, David R., Stephanie A. Liss, Ryan A. Harnish, Katherine A. Deters, Richard S. Brown, Zhiqun Daniel Deng, Jayson J. Martinez, Robert P. Mueller, and John R. Stephenson. "Juvenile Chinook Salmon Survival When Exposed to Simulated Dam Passage after Being Implanted with a New Microacoustic Transmitter." North American Journal of Fisheries Management 38, no. 4 (July 16, 2018): 940–52. http://dx.doi.org/10.1002/nafm.10198.

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24

Mukhin, Nikolay V. "Microfluidic Acoustic Metamaterial SAW Based Sensor." Journal of the Russian Universities. Radioelectronics 22, no. 4 (October 1, 2019): 75–81. http://dx.doi.org/10.32603/1993-8985-2019-22-4-75-81.

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Introduction. Microacoustic sensors based on surface acoustic wave (SAW) devices allow the sensor integration into a wafer based microfluidic analytical platforms such as lab-on-a-chip. Currently exist various approaches of application of SAW devices for liquid properties analysis. But this sensors probe only a thin interfacial liquid layer. The motivation to develop the new SAW-based sensor is to overcome this limitation. The new sensor introduced here uses acoustic measurements, including surface acoustic waves (SAW) and acoustic methamaterial sensor approaches. The new sensor can become the starting point of a new class of microsensor. It measures volumetric properties of liquid analytes in a cavity, not interfacial properties to some artificial sensor surface as the majority of classical chemical and biochemical sensors.Objective. The purpose of the work is to find solutions to overcome SAW-based liquid sensors limitations and the developing of a new sensor that uses acoustic measurements and includes a SAW device and acoustic metamaterial.Materials and methods. A theoretical analysis of sensor structure was carried out on the basis of numerical simulation using COMSOL Multiphysics software. Lithium niobate (LiNbO3) 127.86° Y-cut with wave propagation in the X direction was chosen as a substrate material. Microfluidic structure was designed as a set of rectangular shape channels. A method for measuring volumetric properties of liquids, based on SAW based fluid sensor concept, comprising the steps of: (a) providing sensor structure with the key elements: a SAW resonator, a high-Q set of liquid-filled cavities and intermediate layer with artificial elastic properties between them; (b) measuring of resonance frequency shift, associated with the resonance in liquid-filled cavity, in the response of weakly coupled resonators of SAW resonator loaded by periodic microfluidic structure; (c) determination of volumetric properties of the fluid on the basis of a certain relationship between the speed of sound in liquid, the resonant frequency of the set of liquid-filled cavities, and the geometry design of the cavity.Results. The new sensor approach is introduced. The eigenmodes of the sensor structure with a liquid analyte are carried out. The characteristic of sensor structure is determined. The key elements of introduced microfluidic sensor are a SAW structure, an acoustic metamaterial with a periodic set of microfluidic channels. The SAW device acts as electromechanical transducer. It excites surface waves propagating in the X direction lengthwise the periodic structure and detects the acoustic load generated by the microfluidic structure resonator. The origin of the sensor signal is a small frequency change caused by small variations of acoustic properties of the analyte within the set of microfluidic channels.Conclusion. The principle of the new microacoustic sensor, which can become the basis for creating a new class of microfluidic sensors, is shown.

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25

Baghai-Wadji, Alireza. "Dyadic Universal Functions and Simultaneous Near-Field/Far-Field Regularization of Elastodynamic Dyadic Green’s Functions for 3-D Mass-Loading Analysis in Microacoustic Devices." IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 63, no. 10 (October 2016): 1563–74. http://dx.doi.org/10.1109/tuffc.2016.2593539.

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26

Homentcovschi, D., R. N. Miles, P. V. Loeppert, and A. J. Zuckerwar. "A microacoustic analysis including viscosity and thermal conductivity to model the effect of the protective cap on the acoustic response of a MEMS microphone." Microsystem Technologies 20, no. 2 (April 12, 2013): 265–72. http://dx.doi.org/10.1007/s00542-013-1800-5.

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27

Lemozerskii, Vladislav, Tatiana Zimina, and Alena Gagarina. "Acoustic Biosensor for Discrimination of Pathogens according to the Gram Principle." Proceedings 60, no. 1 (November 2, 2020): 57. http://dx.doi.org/10.3390/iecb2020-07065.

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The microacoustic methods of biomedical analysis, implemented on piezoelectric crystals and ceramics, are becoming increasingly popular due to the fact of their potential for integration into laboratories-on-a-chip, biochips, and biosensors as functional elements of biosensors. An important stage in diagnostics of infectious diseases is the identification of pathogens. One possible applications of such a sensor is an alternative to the time- and labor-consuming Gram method of discriminating bacteria according to the composition of their cell walls. Thus, bacteria, which in a Gram staining procedure do not decolor after application of the dye solution, are classified as Gram-positive (G(+)). They are surrounded with a thick peptidoglycan layer that is pulpy and dampens acoustic waves. While Gram-negative (G(–)) bacteria, which acquire a red color in a Gram procedure, are covered with a thin and springy layer, demonstrating resonance effects when interacting with acoustic fields. Thus, G(+) and G(–), which are differently colored in Gram procedures, also react differently to an external acoustic field: for G(–) bacteria, this was a sharp decrease in the Q-factor of the “resonator–suspension” system and a shift of the resonance curve to lower frequencies. While for G(+) bacteria, although a certain shift of the resonance curve was also observed, the bandwidth of the resonance curve practically did not change. This effect was studied for L. acidophilus (G(+)) and Escherichia coli (G(–)) bacilli with quarts resonators of 4 MHz, 5 MHz, and 10 MHz. The biosensor was tested using Lactobacillus fermentum, E. coli M-17, Bifidobacterium bifidum, Burkholderia cepacian, and Staphylococcus aureus. At this stage, it has been demonstrated that the method is particularly effective for discriminating bacteria of a similar shape, such as, for example, cocci. The discrimination of the Gram factor for cocci and bacilli was less accurate and needs further studies for selection of precise resonance frequencies.

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28

Morley, Erica L., Thorin Jonsson, and Daniel Robert. "Microacoustics: maintaining an ecologically relevant scale in insect bioacoustics." Journal of the Acoustical Society of America 123, no. 5 (May 2008): 3777. http://dx.doi.org/10.1121/1.2935408.

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29

Petronyuk, Yu S., V. M. Levin, Songping Liu, and Qianlin Zhang. "Measuring elastic properties and anisotropy of microstructural units of laminate composite materials by microacoustical technique." Materials Science and Engineering: A 412, no. 1-2 (December 2005): 93–96. http://dx.doi.org/10.1016/j.msea.2005.08.038.

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30

"microacoustics." Electronics Letters 55, no. 17 (August 2019): 921–22. http://dx.doi.org/10.1049/el.2019.2611.

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31

Levin, Vadim M., Julia S. Petronyuk, Limin Wang, Jiankai Hu, and Qianlin Zhang. "Elastic Properties and Microstructure of Metallic Glasses Pd39Ni10Cu30P21 Studied by Microacoustical Technique." MRS Proceedings 754 (2002). http://dx.doi.org/10.1557/proc-754-cc11.18.

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ABSTRACTThe elastic properties of Pd39Ni10Cu10P21 bulk metallic glass (BMG) have been analysed using measurements of sound velocities. Different states of the Pd39Ni10Cu10P21 system (glassy state, supercooled liquid (SCL) and polycrystalline state) were obtained by annealing the samples near the glass transition and crystallization onset temperature. The microacoustical technique has been applied to measure local values of longitudinal and transverse elastic wave velocities and their distribution over a specimen. Finally sound velocities VL and VT, density ρ, bulk K and shear G elastic moduli were measured for different states. The values of ρ, VL and K decrease as temperature increases and the transition from glass to SCL takes place. In the crystalline state ultrasonic measurements were performed by the standard pulse ultrasonic technique with low-frequency flat transducer because of high ultrasonic attenuation in this state. Acoustic images (C-scans) demonstrate coarse-grained microstructure in this state. This is assumed to be characteristic of the microstructure obtained by crystallizing BMG.

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32

Petronyuk, Julia S., Olga V. Priadilova, Vadim M. Levin, Olga A. Ledneva, and Anatolii A. Popov. "Structure and elastic properties of immiscible LDPE-PP blends: dependence on composition." MRS Proceedings 740 (2002). http://dx.doi.org/10.1557/proc-740-i7.26.

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ABSTRACTLocal elastic properties and microstructural features of low-density polyethylene-polypropylene (LDPE-PP) blends have been studied by microacoustical technique, differential scanning calorimetry and infrared spectroscopy. Focused ultrasonic beam of acoustic microscope has been employed to measure elastic wave velocities, bulk and shear elastic moduli and Poisson ratio. The experiments show that the mechanical properties of immiscible LDPE-PP blends are non-additivily changeable in relation to ones of primary gomopolymers. Maximum of the moduli values is achieved with small addition of LDPE to PP. Additional drawing of bipolymer shows essential increasing of orientation ability for PP chains in 5/95 – 10/90 % LDPE-PP compositions. DSC curves show no significant deviations in melting temperature and crystallinity degree for different compositions of PP and LDPE phases. Internal microstructure has been imaged for the blends by acoustic microscopy technique. It allows revealing dispersivity of components over the blend body.

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33

Levin, Vadim M., Songping Liu, and Enming Guo. "Bulk Microstructure and Local Elastic Properties of Laminate Composites Studied by the Microacoustical Technique." MRS Proceedings 702 (2001). http://dx.doi.org/10.1557/proc-702-u6.3.1.

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ABSTRACTThe focused ultrasonic beam technique has been employed for imaging of bulk microstructure of fiber-reinforced composites, for measuring local elastic properties and mapping their distribution over the composite body. Ultrashort probe pulses (operation frequency of 50 MHz) provide resolution of 100 μm. The technique has been employed for nondestructive layer-by-layer imaging of microstructure of CFR laminate composites. Series of acoustic images in planes parallel to the specimen face (C-scans) or perpendicular to it (B-scans) enable to reconstruct of bulk microstructure of compound unidirectional CFR laminates. Different types microdefects, including failures in interply adhesion, buckling of single prepreg plies, internal defoliations and disbonds, have been observed. The method has been applied to measure local values of elastic wave velocities in laminates within area of 100 - 150 μm diameter.Quality of acoustic images depends on kind and density of fiber packing and on depth of position of the imaging plane. Experience shows that specimens 2-10 mm thick are appropriate for visualization of their bulk microstructure and measuring local values of sonic velocities. The technique is promising for NDE of different composites, not only for carbon-based ones.

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