DocumentCode
941713
Title
Novel variable-focus ultrasonic transducer
Author
Bennett, S.D. ; Chambers, Jonathon
Author_Institution
University College London, Department of Electronic & Electrical Engineering, London, UK
Volume
13
Issue
4
fYear
1977
Firstpage
110
Lastpage
111
Abstract
A focusing p.v.f.2 transducer is described. By controlled deformation of a stretched p.v.f.2 membrane, the focal spot may be scanned axially. This action is demonstrated and is shown to correspond well with the predictions of simple theory. There are potential applications for such a device in medical imaging.
Keywords
biomedical ultrasonics; focusing; piezoelectric transducers; ultrasonic transducers; medical imaging; polyvinylidene fluoride membrane; variable focus ultrasonic transducer;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19770077
Filename
4240410
Link To Document