Littérature scientifique sur le sujet « High-Frequency acoustic microscopy »
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Articles de revues sur le sujet "High-Frequency acoustic microscopy"
Qiao, DongHai, ShunZhou Li et ChengHao Wang. « High frequency acoustic microscopy with Fresnel zoom lens ». Science in China Series G : Physics, Mechanics and Astronomy 50, no 1 (février 2007) : 41–52. http://dx.doi.org/10.1007/s11433-007-0002-5.
Texte intégralGailet, Jacqueline. « Scanning Acoustical Microscopy ». Microscopy Today 2, no 5 (août 1994) : 26–28. http://dx.doi.org/10.1017/s155192950006630x.
Texte intégralKumon, R. E., I. Bruno, B. Heartwell et E. Maeva. « Breast tissue characterization with high‐frequency scanning acoustic microscopy ». Journal of the Acoustical Society of America 115, no 5 (mai 2004) : 2376. http://dx.doi.org/10.1121/1.4780120.
Texte intégralAnastasiadis, Pavlos, et Pavel V. Zinin. « High-Frequency Time-Resolved Scanning Acoustic Microscopy for Biomedical Applications ». Open Neuroimaging Journal 12, no 1 (31 décembre 2018) : 69–85. http://dx.doi.org/10.2174/1874440001812010069.
Texte intégralMurray, Todd W., et Oluwaseyi Balogun. « A novel approach to high‐frequency laser‐based acoustic microscopy ». Journal of the Acoustical Society of America 116, no 4 (octobre 2004) : 2617. http://dx.doi.org/10.1121/1.4785436.
Texte intégralBrand, Sebastian, Eike C. Weiss, Robert M. Lemor et Michael C. Kolios. « High Frequency Ultrasound Tissue Characterization and Acoustic Microscopy of Intracellular Changes ». Ultrasound in Medicine & ; Biology 34, no 9 (septembre 2008) : 1396–407. http://dx.doi.org/10.1016/j.ultrasmedbio.2008.01.017.
Texte intégralKorkh, Yu V., D. V. Perov et A. B. Rinkevich. « Detection of subsurface microflaws using the high-frequency acoustic microscopy method ». Russian Journal of Nondestructive Testing 51, no 4 (avril 2015) : 198–209. http://dx.doi.org/10.1134/s1061830915040051.
Texte intégralMario, Poschgan, Maynollo Josef et Inselsbacher Michael. « Inverted high frequency Scanning Acoustic Microscopy inspection of power semiconductor devices ». Microelectronics Reliability 52, no 9-10 (septembre 2012) : 2115–19. http://dx.doi.org/10.1016/j.microrel.2012.06.064.
Texte intégralXu, Chunguang, Lei He, Dingguo Xiao, Pengzhi Ma et Qiutao Wang. « A Novel High-Frequency Ultrasonic Approach for Evaluation of Homogeneity and Measurement of Sprayed Coating Thickness ». Coatings 10, no 7 (15 juillet 2020) : 676. http://dx.doi.org/10.3390/coatings10070676.
Texte intégralBriggs, Andrew, et Oleg Kolosov. « Acoustic Microscopy for Imaging and Characterization ». MRS Bulletin 21, no 10 (octobre 1996) : 30–35. http://dx.doi.org/10.1557/s0883769400031614.
Texte intégralThèses sur le sujet "High-Frequency acoustic microscopy"
Eavis, Joe. « An investigation of soft tissue ultrasonic microimaging ». Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310800.
Texte intégralSannachi, Lakshmanan. « Investigation of anisotropic properties of musculoskeletal tissues by high frequency ultrasound ». Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2012. http://dx.doi.org/10.18452/16476.
Texte intégralBone and muscle are the most important tissues in the musculoskeletal system that gives the ability to move the body. Both tissues have the highly oriented underlying extracellular matrix structure for performing mechanical and biological functions. In this study, the spatial distribution of anisotropic elastic properties and tissue mineralization within a human femoral cortical bone shaft were investigated using scanning acoustic microscopy and synchrotron radiation µCT. The homogenized meoscopic elastic properties were determined by a combination of porosity and tissue elastic matrix using a asymptotic homogenization model. The impact on tissue mineralization and structural parameters of the microscopic and mesocopic elastic coefficients was analyzed with respect to the anatomical location of the femoral shaft. A model was developed to estimate intramuscular fat of porcine musculus longissimus non-invasively using a quantitative ultrasonic device by spectral analysis of ultrasonic echo signals. Muscle specific acoustic parameters, i.e. attenuation, spectral slope, midband fit, apparent integrated backscatter, and cepstral parameters were extracted from the measured RF echoes. The impact of muscle composition and structural properties on ultrasonic spectral parameters was analyzed. The ultrasound propagating parameters were affected by the muscle fiber orientation. The most dominant direction dependency was found for the attenuation. The detailed locally assessed bone data in this study may serve as a real-life input for numerical 3D FE simulation models. Moreover, the assessment of changes of local tissue anisotropy may provide new insights into the bone remodelling studies. The data provided at tissue level and investigated ultrasound backscattering from muscle tissue, can be used in numerical simulation FE models for acoustical backscattering from muscle for the further improvement of diagnostic methods and equipment.
Saikouk, Hajar. « Imagerie par microscopie acoustique haute résolution en profondeur de la surface interne d'une gaine de crayon combustible de type REP ». Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS101/document.
Texte intégralPressurized Water Reactor (PWR) fuel rods are made of ceramic pellets (UO2,(U,Pu)O2 or gadolinium fuel) assembled in a zirconium alloy cladding tube. By design, an initial gap, filled with helium, exists between these two elements. However during irradiation this gap decreases gradually, on the one hand, owing to a variation in cladding diameter, due to creepdown caused by pressure from the coolant, and, on the other hand, increased pellet diameter, due to thermal expansion, and swelling. In hot conditions, during the second or third cycle of irradiation, the pellet/cladding gap is closed. However, during the return to cooler conditions, the gap can reopen. At a high burnup (generally beyond the 3rd cycle of irradiation) an inner zirconia layer of the order of 10 to 15 $mu$m is developed by oxidation leading to a chemical bonding between the pellet and the cladding. This bonding layer may contribute to a non-reopening of the pellet-cladding gap.Currently, only destructive examinations, after cutting fuel rods, allow the visualization of this area, however, they require a preliminary preparation of the samples in a hot cell. This limits the number of tests and measurements on the fuel rods. In this context, the Institute of Electronic and Systems of Montpellier University (IES - UMR CNRS 5214), in collaboration with the Alternative Energies and Atomic Energy Commission (CEA), Electricité de France (EDF) and Framatome, is developing a high frequency acoustic microscope adapted to the control and imaging of the pellet/cladding interface by taking into account the complexity of the structure's cladding which has a tubular form. Because the geometrical, chemical and mechanical nature of the contact interface is neither axially nor radially homogeneous, the ultrasonic system must allow the acquisition of 2D images of this interface by means of controlled displacements of the sample rod along both its axis and its circumference. The final objective of the designed acoustic microscope is to be introduced in hot cells
Meignen, Pierre-Antoine. « Capteur ultrasonore multiélément dédié à la caractérisation quantitative haute résolution ». Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT267/document.
Texte intégralThe work presented in this thesis is applied to the characterization of mechanical properties by acoustic microscopy. It describes an innovative focused sensor that enables both topography and quantitative imaging of an elastic material. The innovation consists in the separation of the different propagation modes of a material excited by a focused multielement probe. Measuring the surface mode propagation velocity of elastic and anisotropic materials thanks to their time of flight provides a possibility of quantifying the module characterizing the elasticity: the Young's modulus. The dimensions of the multielement probe are described here and rely on an acoustic field model developed to anticipate the field radiated by each element. A second model studies the temporal behaviour of the focused probe and also verifies the discrimination of the different waves that propagate. The measurement of mechanical properties by the multielement probe is applied to different samples and provides consistent results with high sensitivity. The ability to produce images of mechanical properties is thus demonstrated. First suitable for frequencies near thirty megahertz, this sensor has a limited number of elements to ensure a simplicity of design and manufacture for a subsequent miniaturization of the sensor to achieve frequencies near the gigahertz
Ezziani, Youness. « Caractérisatiοn ultrasοnοre haute résοlutiοn d’un film adhésif dans un assemblage aérοnautique ». Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMLH14.
Texte intégralThis thesis focuses on the characterization of the properties of an adhesive film in a three-layer aeronautical assembly of the Titanium-Adhesive-Composite type, representative of the fan blade in the LEAP engine. The main objective is to accurately determine the thickness of the adhesive film, its mechanical properties, and the quality of adhesion it provides between the titanium and the composite, using high-frequency, and therefore high-resolution, non-destructive ultrasonic methods. However, this precise determination of the thickness of the bonded joint and its mechanical properties, which are key indicators of the quality of the bond, remains an unresolved technological challenge in the aeronautical industry due to the significant impedance contrast in this type of structure : high between the titanium and the adhesive, and low between the adhesive and the composite. Therefore, the challenge of this thesis is to address the detection of the background echo at the Adhesive-Composite interface at high frequency. This challenge is further complicated by the significant attenuation associated with high frequencies. It is essential to find an optimal compromise between a frequency high enough to match the wavelength to the thickness of the adhesive, but not too high, in order to detect the background echoes, particularly the background echo at the Adhesive-Composite interface, with a sufficiently exploitable amplitude. Initially, a qualitative study was conducted on six three-layer samples (TA6V-Epoxy-Composite, provided by Safran) using the PVA TEPLA 301 scanning acoustic microscope (SAM), which allows the precise measurement of the epoxy adhesive film's thickness and the assessment of the quality of the adhesion by analyzing the background echo of the epoxy film and examining the amount of energy transmitted to the composite layer using X-scan imaging. Different levels of adhesion were identified : strong, medium, and weak. A quantitative study was then carried out using an interphase model solved by the Debye series method, which allowed for the quantification of the adhesion levels in these samples: a strong adhesion level for sample 2 with adhesion coefficients (α = 1 and β = 1), a weak adhesion level for sample 1 with (α = 1 and β = 10⁻³), and a medium adhesion level for samples 3, 4, 5 and 6 with α = 1 and intermediate β values
Chapitres de livres sur le sujet "High-Frequency acoustic microscopy"
Lethiecq, Marc, Marceau Berson, Guy Feuillard et Frederic Patat. « Principles and Applications of High-Frequency Medical Imaging ». Dans Advances in Acoustic Microscopy, 39–102. Boston, MA : Springer US, 1996. http://dx.doi.org/10.1007/978-1-4615-5851-4_2.
Texte intégralVogt, Michael, et Helmut Ermert. « High-Frequency Ultrasonic Systems for High-Resolution Ranging and Imaging ». Dans Advances in Acoustic Microscopy and High Resolution Imaging, 93–123. Weinheim, Germany : Wiley-VCH Verlag GmbH & Co. KGaA, 2013. http://dx.doi.org/10.1002/9783527655304.ch5.
Texte intégralMaslov, Konstantin I., Roman Gr Maev, Leonid M. Dorozhkin et Valery S. Doroshenko. « High-Frequency Focusing Transducer for Acoustic Microscope ». Dans Acoustical Imaging, 689–94. Boston, MA : Springer US, 1996. http://dx.doi.org/10.1007/978-1-4419-8772-3_112.
Texte intégralActes de conférences sur le sujet "High-Frequency acoustic microscopy"
Yin, Q. R., H. F. Yu, H. R. Zeng, G. R. Li et A. L. Ding. « High Resolution Acoustic Microscopy with Low Frequency and Its Applications in Analysis of Ferroelectrics ». Dans ISTFA 2005. ASM International, 2005. http://dx.doi.org/10.31399/asm.cp.istfa2005p0228.
Texte intégralMiyasaka, Chiaki, et Bernhard R. Tittmann. « High-power acoustic insult to living cultured cells as studied by high-frequency scanning acoustic microscopy ». Dans NDE For Health Monitoring and Diagnostics, sous la direction de Tribikram Kundu. SPIE, 2002. http://dx.doi.org/10.1117/12.469895.
Texte intégralvan Es, Maarten H., Benoit A. I. Quesson, Abbas Mohtashami, Daniele Piras, Kodai Hatakeyama, Laurent Fillinger et Paul L. M. J. van Neer. « High resolution acoustic metrology by combining high GHZ frequency ultrasound and scanning probe microscopy ». Dans Metrology, Inspection, and Process Control for Microlithography XXXIV, sous la direction de Ofer Adan et John C. Robinson. SPIE, 2020. http://dx.doi.org/10.1117/12.2552030.
Texte intégralFei, Dong. « Imaging Defects in Thin DLC Coatings Using High Frequency Scanning Acoustic Microscopy ». Dans QUANTITATIVE NONDESTRUCTIVE EVALUATION. AIP, 2004. http://dx.doi.org/10.1063/1.1711724.
Texte intégralKim, Jeong Nyeon, Richard L. Tutwiler et Judith A. Todd. « Practical Design of a High Frequency Phased-Array Acoustic Microscope Probe : A Preliminary Study ». Dans ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65270.
Texte intégralBrand, Sebastian, Matthias Petzold, Peter Czurratis et Peter Hoffrogge. « Extending Acoustic Microscopy for Comprehensive Failure Analysis Applications ». Dans ISTFA 2010. ASM International, 2010. http://dx.doi.org/10.31399/asm.cp.istfa2010p0084.
Texte intégralAugereau, Franck, Didier Laux, Gilles Despaux et Sylvain Peuget. « Aging detection for simulated nuclear glasses using Au ion-implantation by high frequency acoustic microscopy ». Dans International Congress on Ultrasonics. Vienna University of Technology, 2007. http://dx.doi.org/10.3728/icultrasonics.2007.vienna.1810_augereau.
Texte intégralTillmann, W., F. Walther, W. Luo, M. Haack, J. Nellesen et M. Knyazeva. « In Situ Acoustic Monitoring of Thermal Spray Process Using High-Frequency Impulse Measurements ». Dans ITSC2017, sous la direction de A. Agarwal, G. Bolelli, A. Concustell, Y. C. Lau, A. McDonald, F. L. Toma, E. Turunen et C. A. Widener. DVS Media GmbH, 2017. http://dx.doi.org/10.31399/asm.cp.itsc2017p0072.
Texte intégralPhommahaxay, Alain, Ingrid De Wolf, Peter Hoffrogge, Sebastian Brand, Peter Czurratis, Harold Philipsen, Yann Civale et al. « High frequency scanning acoustic microscopy applied to 3D integrated process : Void detection in Through Silicon Vias ». Dans 2013 IEEE 63rd Electronic Components and Technology Conference (ECTC). IEEE, 2013. http://dx.doi.org/10.1109/ectc.2013.6575576.
Texte intégralMarchetti, M., D. Laux, F. Cappia, M. Laurie, P. Van Uffelen, V. V. Rondinella et G. Despaux. « High frequency acoustic microscopy for the determination of porosity and Young's modulus in high burnup uranium dioxide nuclear fuel ». Dans 2015 4th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA). IEEE, 2015. http://dx.doi.org/10.1109/animma.2015.7465598.
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