ZnO film concave transducer for focusing radiation of microwave ultrasound
- 28 October 1976
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 12 (22) , 595-596
- https://doi.org/10.1049/el:19760453
Abstract
A ZnO piezoelectric film has been satisfactorily deposited on a concave substrate of a gold hemispherical shell to produce a concave transducer for microwave ultrasound. The fabrication process of the concave transducer, with a focal distance of 5–9 mm, and also experiments on focusing radiation in water at 100 MHz. are described.Keywords
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