Measuring and testing – Vibration – By mechanical waves
Patent
1996-07-31
1998-06-30
Oda, Christine K.
Measuring and testing
Vibration
By mechanical waves
73649, 73570, 73DIG1, 73655, 12866203, G01D 532
Patent
active
057737215
ABSTRACT:
An apparatus for aiming an ultrasonic beam to nondestructively test an object has an ultrasonic transducer for generating the ultrasonic beam having a beam axis and impinging the ultrasonic beam upon the object. The apparatus includes a laser aiming apparatus for directing at least one laser beam having a laser sight line substantially coaxial with the ultrasonic beam axis.
The laser aiming apparatus, in one embodiment of the invention, includes a cross-hair apparatus for generating a laser beam cross-hair having a center along the laser sight line. Another embodiment of the present invention provides an ultrasonic mirror apparatus for bending the ultrasonic beam and which has a mirror made of a material that is substantially transparent to the laser beam. A mounting apparatus is used for initially directing a single laser beam and the ultrasonic beam along two different co-planar axes on opposite sides of the mirror and to set the mirror to bend the ultrasonic beam and align its axis with the laser beam axis so that the laser beam and ultrasonic beam axes are substantially coaxial at the object.
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"VLM3 Style `LG` Visible Laser Module Generator Specifications", Applied Laser Systems, 1 page brochure.
"VLM3 Visible Laser Module Specifications", Applied Laser Systems, 1 page brochure.
General Electric Company
Herkamp Nathan D.
Hess Andrew C.
Moller Richard A.
Oda Christine K.
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