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Ultrasonic inspection apparatus and method using a focused wave device

United States Patent

May 22, 2001
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
An ultrasonic pulse echo inspection apparatus and method for detecting structural failures. A focus lens is coupled to the transducer to focus the ultrasonic signal on an area to be inspected and a stop is placed in the focus lens to block selected ultrasonic waves. Other waves are not blocked and are transmitted through the structure to arrive at interfaces therein concurrently to produce an echo response with significantly less distortion.
Gieske; John H. (Albuquerque, NM), Roach; Dennis P. (Albuquerque, NM), Walkington; Phillip D. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
09/ 280,411
March 29, 1999
GOVERNMENT RIGHTS The Government has rights to this invention pursuant to Contract No. DE-AC04-94AL85000 awarded by the U.S. Department of Energy.