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Mountable eddy current sensor for in-situ remote detection of surface and sub-surface fatigue cracks

United States Patent

September 6, 2011
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A wireless, integrated, mountable, portable, battery-operated, non-contact eddy current sensor that provides similar accuracy to 1970's laboratory scale equipment (e.g., a Hewlett-Packard GP4194A Impedance Analyzer) at a fraction of the size and cost.
Yepez, III; Esteban (Albuquerque, NM), Roach; Dennis P. (Albuquerque, NM), Rackow; Kirk A. (Albuquerque, NM), DeLong; Waylon A. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
12/ 119,009
May 12, 2008
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The Government has rights to this invention pursuant to Contract No. DE-AC04-94AL85000 awarded by the U.S. Department of Energy.