UNSPECIFIED (2003) A conical air-coupled capacitance transducer for surface imaging. ULTRASONICS, 41 (3). pp. 163-173. ISSN 0041-624X

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Abstract

This paper describes the construction and operation of an air-coupled capacitance transducer with a conical backplate. This was designed to produce a focal region over an extended distance along the transducer axis. Measurements were performed to examine both the frequency response of the transducer in pulse-echo mode, and the lateral resolution for imaging purposes. The radiated field was measured and compared to theory, and the extent of the focal region determined. Images of surface topography are presented, to illustrate the range of application of the transducer. (C) 2003 Elsevier Science B.V. All rights reserved.

Item Type:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) R Medicine
Journal or Publication Title:	ULTRASONICS
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0041-624X
Date:	May 2003
Volume:	41
Number:	3
Number of Pages:	11
Page Range:	pp. 163-173
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/9685

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