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  • Methods
  • Equation for the Radiation Force 111 5.5.3 Oscillations of a Microparticle under the Action of a Nonlinear Force 112 6 Investigation of the Local Properties and Microstructure of Model Systems and Composites by the Acoustic Microscopy Methods 119 6.1 Study of the Viscoelastic Properties of Model Collagen Systems by the Acousto-Microscopic Methods. (whsmith.co.uk)
  • Based on application, the Non-Destructive Testing (NDT) segment accounted for the largest share of the acoustic microscopy market in 2017, owing to increased awareness regarding industrial non-destructive testing methods and their benefits, such as increased life of equipment and improved production output. (marketsandmarkets.com)
  • Degree in Physical-Mathematical Sciences with Special Recognition (in the Methods of Acoustic Microscopy of Investigation of Microstructure, Physical and Chemical Properties of Materials) from the Russian Academy of Sciences for the body of work he had so far produced in his career, and in 2005 he received a Full Professorship in Physics from the Government of the Russian Federation. (wikipedia.org)
  • transducer
  • Samples need no special treatment before acoustic imaging, but they should be able to withstand at least brief exposure to water or to another fluid, since air is a very poor transmitter of high frequency acoustic energy from the transducer. (wikipedia.org)
  • The acoustic image of the plastic-encapsulated IC below was made using a 30 MHz transducer because this frequency provides a good compromise between penetration and image resolution. (wikipedia.org)
  • 4. The method as claimed in claim 1 wherein the bursts of electromagnetic energy are pulses of laser light and wherein the absorbing layer is a material layer of the opto-acoustic transducer. (google.com)
  • 5. The method as claimed in claim 4 wherein the absorbing layer of the opto-acoustic transducer is a thin metallic film. (google.com)
  • 6. The method as claimed in claim 5 wherein the opto-acoustic transducer includes an optically semi-transparent substrate layer having a thickness of approximately λ/4 and wherein the metallic film is formed as a surface layer on the substrate layer. (google.com)
  • Acoustic attenuation Acoustic levitation Acoustic streaming Acousto-electric effect Acousto-optics Elastic waves Interdigital transducer Longitudinal wave Love wave Nonlinear acoustics Picosecond ultrasonics Sonoluminescence Rayleigh wave Shear wave Sound absorption Sound velocity Thermoacoustics Blackstock, D.T. (2000), Fundamentals of Physical Acoustics, New York: Wiley, ISBN 0471319791 Pierce, A.D. (1989), Acoustics: An Introduction to its Physical Principles and Applications, Acoustical Society of America, ISBN 0883186128 Mason, W.P. (wikipedia.org)
  • attenuation
  • Maps of the speed of sound ( c ), acoustic impedance ( Z ), attenuation ( a ), bulk modulus ( K ), and mass density ( ρ ) were derived from the frequency domain representation of each recorded signal using a model-based approach. (arvojournals.org)
  • pulse
  • The portion of the pulse that is reflected is determined by the acoustic impedance, Z, of the each material that meets at the interface. (wikipedia.org)
  • Prokaznikov, A. 2004-10-10 00:00:00 In-depth analysis of the propagation of an acoustic signal excited by a short radio pulse is performed. (deepdyve.com)
  • 3. The method as claimed in claim 2 wherein the acoustic waves have a primary wavelength, λ, and wherein the method further comprises the step of focusing the pulses of laser light so that each thermal pulse is generated at an area of the absorbing layer approximately equal to λ 2 so that the acoustic sound waves are spherical waves. (google.com)
  • The `time of flight' of the pulse is defined as the time taken for it to be emitted by an acoustic source, scattered by an object and received by the detector, which is usually coincident with the source. (wikipedia.org)
  • applications
  • The only updated resource on acoustic microscopy covers its use in a range of applications spanning the fields of physics, materials science, electrical engineering, medicine, and research and industry. (worldcat.org)
  • Microscopy services are provided for various applications, such as Non-Destructive Testing (NDT), failure analysis, and product reliability testing/quality control. (marketsandmarkets.com)
  • It continues the aim of presenting applications and developments of techniques that are related to high-resolution acoustic imaging. (eurobuch.com)
  • This award is in recognition of your many outstanding achievements in various scanned probe microscopy techniques and their applications to the study of the mechanical and structural properties of surfaces over a very wide dimensional scale. (wikipedia.org)
  • Surface
  • This emits longitudinal acoustic waves into the sample, causing out-of-plane vibrations in the sample's surface. (wikipedia.org)
  • The interference of these waves forms surface acoustic standing waves. (wikipedia.org)
  • The perturbations to phase and amplitude of the surface acoustic standing wave are locally monitored by the antenna via the lock-in approach and the SPM electronic module. (wikipedia.org)
  • waves
  • An acoustic interferometer is an instrument, using interferometry, for measuring the physical characteristics of sound waves in a gas or liquid. (wikipedia.org)
  • The first one concerns understanding how the physical properties of a medium (solid, liquid, or gas) influence the propagation of acoustic waves in this medium in order to use this knowledge for practical purposes. (wikipedia.org)
  • frequency
  • Extending the acoustic inspection frequency allows for lateral resolutions in the 1-μm range and also enables the inspection of microbumps and TSVs in addition to wafer bonded interfaces, which exceed the applicability of conventional SAM. (spiedigitallibrary.org)
  • Material
  • An expression for V(z) curve (acoustic signature of a material) is derived. (deepdyve.com)
  • The technique uses inelastic scattering of light when it encounters acoustic phonons in a crystal, a process known as Brillouin scattering, to determine phonon energies and therefore interatomic potentials of a material. (wikipedia.org)
  • image
  • In the acoustic image and side-view diagram of the plastic-encapsulated IC to the right, ultrasound was pulsed through the black mold compound (plastic), and reflected from: the interface between the overlying mold compound and the top surface of the silicon die. (wikipedia.org)
  • Digital holographic microscopy distinguishes itself from other microscopy methods by not recording the projected image of the object. (wikipedia.org)
  • materials
  • Acoustic microscopes operate non-destructively and penetrate most solid materials to make visible images of internal features, including defects such as cracks, delaminations and voids. (wikipedia.org)
  • laser
  • A laser must be carefully tuned to excite specific bonds so that they "rattle", creating noise that can be detected and mapped by passive acoustic systems. (wikipedia.org)
  • object
  • The `time of flight' of the pulse is defined as the time taken for it to be emitted by an acoustic source, scattered by an object and received by the detector, which is usually coincident with the source. (wikipedia.org)
  • In traditional microscopy, which do not use a reference wave front, only intensity information is recorded and essential information about the object is lost. (wikipedia.org)
  • System
  • Founding of Müller-BBM Acoustic Solutions GmbH as premium manufacturer for an electronic room enhancement system for assisted reverberation (Vivace). (muellerbbm.com)
  • Images
  • Tong J, Han J, Shen W, Xu P. Mosaicing of Acoustic Video Images for Underwater Structure Inspection. (asme.org)
  • Development
  • In the half-century since the first experiments directly leading to the development of acoustic microscopes, at least three basic types of acoustic microscope have been developed. (wikipedia.org)
  • instruments
  • Since the vast majority of acoustic microscopes in use today are C-SAM type instruments, this discussion will be limited to these instruments. (wikipedia.org)
  • type
  • Sonication, a type of hydrodynamic shearing, subjects DNA to acoustic cavitation and hydrodynamic shearing by exposure to brief periods of sonication, usually resulting in 700bp fragments. (wikipedia.org)