Title :
Surface-wave nondestructive testing using 1-dimensional acoustic holography
Author :
Wickramsinghe, H.K. ; Ash, E.A.
Author_Institution :
University College London, Department of Electronic & Electrical Engineering, London, UK
Abstract :
A new method of surface nondestructive testing using 1-dimensional acoustic holography has been demonstrated. A simulated defect 0.5 mm in diameter and 1 ¿m thick has been clearly resolved using 60 MHz acoustic surface waves, propagating along a quartz substrate.
Keywords :
acoustic holography; acoustic surface wave devices; nondestructive testing; 60 MHz; acoustic surface wave devices; nondestructive testing; one dimensional acoustic holography; quartz substrate;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19730236
