Ultrasonic transducer probe for providing beams with adjustable

Details Ultrasonic transducer probe for providing beams with adjustable Ultrasonic transducer probe for providing beams with adjustable

1982-10-29

1984-07-10

Birmiel, Howard A.

Measuring and testing

Vibration

By mechanical waves

73644, 73625, G01N 2904

Patent

active

044585349

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.

REFERENCES:
patent: 3379902 (1968-04-01), Harris et al.
patent: 3663842 (1972-05-01), Miller
patent: 4340944 (1982-07-01), Dory

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