Ultrasonic beam aiming apparatus and method for...

Details Ultrasonic beam aiming apparatus and method for... Ultrasonic beam aiming apparatus and method for...

G - Physics

01

N

349/35

G01N 29/26 (2006.01) G01N 29/22 (2006.01)

Patent

CA 2039543

ABSTRACT OF THE DISCLOSURE The accurate positioning of an ultrasonic beam (21) to nondestructively test an object (11) is achieved by an ultrasonic beam aiming apparatus (10) including an ultrasonic transducer (20) generating an ultrasonic beam (21) having a focal point (22) and axis (23), and a point-source lamp (30) and mirror (31) generating a visible light beam (32) having a focal point (33) and axis (34). The visible light beam focal point (33) is selectively coaxially movable into and out of coincident at points exterior and interior to the object (11). The location of the ultrasonic beam focal point (22) may be found by aligning the ultrasonic beam focal point (22) and the visible light beam focal point (33) to coincide at an alignment spot, and moving the aligned ultrasonic beam focal point (22) to a point of interest within the object while maintaining the visible light beam focal point (33) at the alignment spot.

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