Measuring and testing – Vibration – Sensing apparatus
Reexamination Certificate
2007-07-18
2009-11-17
Surin, J M Saint (Department: 2856)
Measuring and testing
Vibration
Sensing apparatus
C073S593000, C073S628000, C073S641000
Reexamination Certificate
active
07617733
ABSTRACT:
An automated scanning system and method, utilizing specialized dual phased array ultrasonic transducers for producing and detecting Rayleigh waves in ceramic bearing balls are provided for nondestructive, non-contact inspection of ceramic bearing balls. The phased array ultrasonic transducer utilizes a complex curvature configuration that enables the dual phased array ultrasonic transducers to focus ultrasonic energy onto the ball to optimally generate and receive Rayleigh wave signals in the spherical objects.
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Deemer Christopher M.
Ellingson William A.
Steckenrider J. Scott
M Saint Surin J
Pennington Joan
UChicago Argonne LLC
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