Ultrasonic transducer probe for providing beams with adjustable angle
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United States of America Patent
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Jul 10, 1984
Grant Date -
N/A
app pub date -
Oct 29, 1982
filing date -
Dec 1, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns an ultrasonic test probe for use in connection with testing workpieces wherein the angle of propagation of the ultrasonic search beam is adjustable. The probe comprises a linear array of ultrasonic transducer elements and a plastic wedge. An acoustic lens disposed between the array and the wedge causes the individual ultrasonic beams to come to a focus at an acoustic energy exit aperture of the probe. The angle adjustment of the ultrasonic beams is accomplished by energizing in-phase a respective group of transducer elements forming the array.
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