Results 211 to 220 of about 29,341 (262)
Some of the next articles are maybe not open access.
Surface and Interface Analysis, 1986
No doubt, light microscopy still plays the leading role in the qualitative and quantitative microscopical examination of metals. The introduction of quantitative techniques like manual and automated image analysis, microscope photometric reflectance measurements, analysis of elliptically polarized light by polarizing microscopy, interference microscopy
M. Hoppe, A. Thaer
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No doubt, light microscopy still plays the leading role in the qualitative and quantitative microscopical examination of metals. The introduction of quantitative techniques like manual and automated image analysis, microscope photometric reflectance measurements, analysis of elliptically polarized light by polarizing microscopy, interference microscopy
M. Hoppe, A. Thaer
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The Journal of the Acoustical Society of America, 1972
The new field of acoustic microscopy, still in its very infancy, may yet succumb due to irrelevance. On the other hand, it may prove to be extremely useful provided the mechanical wavemotion of sound indeed reveals important microscopic structures, not made visible by either light or electrom microscopy.
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The new field of acoustic microscopy, still in its very infancy, may yet succumb due to irrelevance. On the other hand, it may prove to be extremely useful provided the mechanical wavemotion of sound indeed reveals important microscopic structures, not made visible by either light or electrom microscopy.
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Scanning tomographic acoustic microscopy
IEEE Transactions on Image Processing, 1995The scanning tomographic acoustic microscope (STAM) was proposed in 1982 as a method of improving the resolution capability of the scanning laser acoustic microscope (SLAM) based on the principles of tomography. By modifying the SLAM with a quadrature detector, tomographic projections that contain both the amplitude and phase information of the ...
R Y, Chiao, H, Lee
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Acoustic transducer for acoustic microscopy
The Journal of the Acoustical Society of America, 1991A shear acoustic transducer-lens system in which a shear polarized piezoelectric material excites shear polarized waves at one end of a buffer rod having a lens at the other end which excites longitudinal waves in a coupling medium by mode conversion at selected locations on the lens.
Butrus T. Khuri-Yakub, Ching H. Chou
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Proceedings of the IEEE, 1979
Acoustic microscopy is emerging as an important analytical technique serving the needs of both biomedical and materials technology. Based upon imaging of specimens with elastic waves at VHF and UHF frequencies, acoustic microscopes reveal structural-mechanical properties with high magnification.
L.W. Kessler, D.E. Yuhas
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Acoustic microscopy is emerging as an important analytical technique serving the needs of both biomedical and materials technology. Based upon imaging of specimens with elastic waves at VHF and UHF frequencies, acoustic microscopes reveal structural-mechanical properties with high magnification.
L.W. Kessler, D.E. Yuhas
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The Journal of the Acoustical Society of America, 1980
Resolution in the scanning acoustic microscope is determined by wavelength which is in turn limited by attenuation in the acoustic medium. In order to make use of the low attenuation found in cryogenic liquids we have developed an acoustic microscope suited for use at low temperatures.
J. Heiserman, D. Rugar, C. F. Quate
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Resolution in the scanning acoustic microscope is determined by wavelength which is in turn limited by attenuation in the acoustic medium. In order to make use of the low attenuation found in cryogenic liquids we have developed an acoustic microscope suited for use at low temperatures.
J. Heiserman, D. Rugar, C. F. Quate
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Phase Detection in Acoustic Microscopy
Ultrasonic Imaging, 1990The scanning laser acoustic microscope provides a relatively simple means by which speed of sound data can be collected from biological specimens. By employing a phase detection circuit, phase-contour lines can be superimposed on acoustic micrographs and digitized for direct speed of sound calculations.
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Canadian Journal of Physics, 1986
This paper details the modifications to an existing ion implanter that were made to adapt it for ion-acoustic microscopy. Results of tests of the technique on samples of cubic zirconia and alumina implanted with nitrogen ions are described. The utility of the technique for monitoring the progress of implantation in metals and ceramics is discussed.
D. N. Rose, H. Turner, K. O. Legg
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This paper details the modifications to an existing ion implanter that were made to adapt it for ion-acoustic microscopy. Results of tests of the technique on samples of cubic zirconia and alumina implanted with nitrogen ions are described. The utility of the technique for monitoring the progress of implantation in metals and ceramics is discussed.
D. N. Rose, H. Turner, K. O. Legg
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1994
Scanning acoustic microscopy is a form of microscopy based on the generation and detection of elastic waves in solids. The basic mechanism is the interaction of an acoustic wave with a specimen and the consequent generation of acoustic waves inside the material.
P. Mutti, G. A. D. Briggs
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Scanning acoustic microscopy is a form of microscopy based on the generation and detection of elastic waves in solids. The basic mechanism is the interaction of an acoustic wave with a specimen and the consequent generation of acoustic waves inside the material.
P. Mutti, G. A. D. Briggs
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Physics Today, 1981
Electron-acoustic microscopy is a new technique enabling us to produce images that show variations in an object's thermal and elastic properties with a resolution on the order of microns. These images appear dramatically different than optical or electron microscope pictures, and contain much information not otherwise available (see figure 1).
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Electron-acoustic microscopy is a new technique enabling us to produce images that show variations in an object's thermal and elastic properties with a resolution on the order of microns. These images appear dramatically different than optical or electron microscope pictures, and contain much information not otherwise available (see figure 1).
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