Acoustical Imaging pp 667-671 | Cite as
Imaging of Crystal Defects by Sound-Beam Topography Using Wavelengths in the Submicrometer Range
Chapter
Abstract
Sound-beam topography has been demonstrated recently at frequencies of 24 and 35 GHz as a very sensitive method for imaging crystal defects in highly perfect quartz plates of 10 and 15 mm thickness (Edel et al., 1986).
Keywords
Beam Width Crystal Defect Scan Area Sound Beam High Lateral Resolution
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References
- Aeugle, Th., and Weis, O., 1988, Piezoelectric Surface Excitation and Detection of GHz-Sound Waves using Planar Structures: Hertzian-and H-Slot Resonators, Z. Phys. B- Condensed Matter 71, 149.ADSCrossRefGoogle Scholar
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- Edel, H., Bialas, H., and Weis, O., 1986, Sound-Beam Topography of Crystal Defects, Z. Phys. B - Condensed Matter 64, 437.ADSCrossRefGoogle Scholar
- Ulrich, H., and Weis, 0., 1978, Excitation and Detection of Narrow, Movable Hypersound Beams in the GHz-Range, Z. Physik B- Condensed Matter 29, 185.ADSGoogle Scholar
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© Springer Science+Business Media New York 1992