Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate
2011-03-29
2011-03-29
Caputo, Lisa M (Department: 2855)
Measuring and testing
Vibration
By mechanical waves
C073S624000, C073S618000
Reexamination Certificate
active
07913562
ABSTRACT:
An economical, flexible, magnetostrictive sensor for use on planar and/or curved structural surfaces, for guided-wave volumetric inspection of the structure. The flexible plate MsS probe includes a flexible strip of magnetostrictive material that is adhered to the base of a flat, flexible, conductor coil assembly. The conductor coil assembly has a core that is composed of a thin flexible strip of metal, a layer of an elastomeric material, and a thin permanent magnet circuit. The flexible core is surrounded by a flat flexible cable (FFC) that is folded and looped over the layers of the core. The exposed conductors at the ends of the FFC are shifted from each other by one conductor and joined so that the parallel conductors in the FFC form a flat, flexible, continuous coil. The entire probe assembly may be bent to match the curved contours of the surface of the structure under investigation.
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Kwun Hegeon
Parvin Albert J.
Peterson Ronald H.
Caputo Lisa M
Dunlap Jonathan
Kammer Browning PLLC
Southwest Research Institute
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