Waveguide for a bulk-type medium, vibrator using same to transmit shear waves to a bulk-type medium, and method using the vibrator to transmit shear waves to a bulk-type medium
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United States of America Patent
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Dec 27, 2016
Grant Date -
Sep 4, 2014
app pub date -
Oct 5, 2012
filing date -
Oct 7, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The aim of the present invention is to provide a waveguide capable of transmitting shear waves in a desired pattern to a bulk-type medium, a vibrator, and a method of transmitting shear waves by using the vibrator. To this end, the present invention provides a waveguide including a vibrating portion that is vibrated by a vibrating unit, a transmitting portion that transmits shear waves generated by the vibrating unit to a bulk-type medium and is thicker than the vibrating portion, and a connecting portion that contacts both the vibrating portion and the transmitting portion and has a thickness varying from a portion contacting the vibrating portion to a portion contacting the transmitting portion. Also, the present invention provides a vibrator using the waveguide and a method of transmitting shear waves by using the vibrator.
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