Feng et al., 2013 - Google Patents
A spherically-shaped PZT thin film ultrasonic transducer with an acoustic impedance gradient matching layer based on a micromachined periodically structured …Feng et al., 2013
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- 4680620387670488854
- Author
- Feng G
- Liu W
- Publication year
- Publication venue
- Sensors
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This paper presents the microfabrication of an acoustic impedance gradient matching layer on a spherically-shaped piezoelectric ultrasonic transducer. The acoustic matching layer can be designed to achieve higher acoustic energy transmission and operating bandwidth …
- 229910052451 lead zirconate titanate 0 title abstract description 104
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