PVDF Ultrasonic Sensors for In-Air Applications: A Review

Polyvinylidene fluoride (PVDF), a material with ferroelectric characteristics, is still extremely topical for the manufacturing of transducers, and different examples, some of which have been actively commercialized since the 1980s, are reported in the literature. In this work, we present a review f...

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Bibliographic Details
Published in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2021-07, Vol.68 (7), p.2324-2335
Main Authors: Pullano, Salvatore A., Critello, Costantino Davide, Bianco, Maria Giovanna, Menniti, Michele, Fiorillo, Antonino S.
Format: Article
Language:English
Subjects:
Acoustics
Automation
Commercialization
Ferroelectric polymer
Ferroelectricity
Integrated circuit modeling
Manufacturing engineering
Obstacle avoidance
piezoelectricity
Polymers
polyvinylidene fluoride (PVDF)
Polyvinylidene fluorides
Resonant frequency
Robotics
Sensors
Sonar
Transducers
Ultrasonic transducers
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Summary:Polyvinylidene fluoride (PVDF), a material with ferroelectric characteristics, is still extremely topical for the manufacturing of transducers, and different examples, some of which have been actively commercialized since the 1980s, are reported in the literature. In this work, we present a review focused on the PVDF technology for the manufacturing of in-air ultrasonic transducers, which found application in medical robotics, sonar systems, and automation industry (e.g., proximity sensors and obstacle detection). The aim is to provide a comprehensive view on the development of such ultrasonic transducers, highlighting the constructive choices and the advantages/disadvantages in a thorough and concise way.
ISSN:0885-3010
1525-8955
DOI:10.1109/TUFFC.2021.3078069