Ultrasonic Array Transducer Using Interdigital Electrode

A `planar array transducer' with interdigital electrodes is proposed. This paper describes the structure of the transducer and experimentally investigates its behavior and realization feasibility. A transducer directivity using PbTiO 3 ceramics with a large electromechanical anisotropy shows th...

Full description

Saved in:
Bibliographic Details
Published in:Japanese Journal of Applied Physics 1984-01, Vol.23 (S1), p.110
Main Authors: Shinomura, Ryuichi, Takeuchi, Hiroshi, Kanda, Hiroshi, Katakura, Kageyoshi
Format: Article
Language:English
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A `planar array transducer' with interdigital electrodes is proposed. This paper describes the structure of the transducer and experimentally investigates its behavior and realization feasibility. A transducer directivity using PbTiO 3 ceramics with a large electromechanical anisotropy shows the independent behavior of an array element that consists of a few electrode finger pairs. It was found that the array transducer could be realized without cutting by using the planar structure and also that the optimum pattern ratio R (the ratio of electrode finger width to period) is about 0.5.
ISSN:0021-4922
1347-4065
DOI:10.7567/JJAPS.23S1.110