A report comprising the main contents of U. S. Patent 5,750,895 presents detailed information on the subject of "Apparatus for Advanced Ultrasonic C-Scan Imaging (GSC-13524), NASA Tech Briefs, Vol. 21, No. 4 (April 1997), page 34. The apparatus is a computer-controlled ultrasonic C-scan instrumentation system that includes an ultrasonic transducer, an electronic pulser/receiver, a dual timing gate, a peak detector, and a timer.

This work was done by Engmin James Chern and David W. Butler of Goddard Space Flight Center. To obtain a copy of the report, "Method and Apparatus for Dual Amplitude Time-of-Flight Ultrasonic Imaging," access the Technical Support Package (TSP) free on-line at www.techbriefs.com under the Physical Sciences category.

This invention is owned by NASA, and a patent application has been filed. Inquiries concerning nonexclusive or exclusive license for its commercial development should be addressed to

the Patent Counsel
Goddard Space Flight Center
(301) 286-7351.

Refer to GSC-13524-2.

NASA Tech Briefs Magazine

This article first appeared in the April, 1999 issue of NASA Tech Briefs Magazine.

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