Fully Printed Flexible Ultrasound Transducer for Medical Applications

被引：12
作者：
Keller, Kirill [1 ]
Leitner, Christoph [2 ]
Baumgartner, Christian [3 ]
Benini, Luca [2 ,4 ]
Greco, Francesco [1 ,5 ,6 ]
机构：
[1] Graz Univ Technol, NAWI Graz, Inst Solid State Phys, Petersgasse 16, A-8010 Graz, Austria
[2] Swiss Fed Inst Technol, Integrated Syst Lab, Gloriastr 35, CH-8090 Zurich, Switzerland
[3] Graz Univ Technol, Inst Hlth Care Engn European Testing Ctr Med Devic, Stremayrgasse 16, A-8010 Graz, Austria
[4] Univ Bologna, Dept Elect Elect & Informat Engn Guglielmo Marconi, Via Zamboni 33, I-40126 Bologna, Italy
[5] St Anna Sch Adv Studies, Biorobot Inst, Viale R Piaggio 34, I-56025 Pontedera, Italy
[6] St Anna Sch Adv Studies, Dept Excellence Robot & AI, I-56127 Pisa, Italy
来源：
ADVANCED MATERIALS TECHNOLOGIES | 2023年 / 8卷 / 18期
关键词：
piezoelectric; poly(vinylidene fluoride-trifluoroethylene); screen printing; ultrasonic; PIEZOELECTRIC POLYMER; PVDF; SENSORS; DESIGN; GEL;
D O I：
10.1002/admt.202300577
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The fabrication of a fully printed, lead-free, polymer piezoelectric transducer is presented and the characterization of its structural, dielectric, and ferroelectric properties at different processing stages is demonstrated. The performance of poly(vinylidene fluoride-trifluoroethylene) transducers with resonance frequency analyses, acoustic power measurements, and pulse-echo experiments is evaluated. Notably, for the first time for a fully printed transducer, an optimal performance in the medical ultrasound range (<15 MHz) is demonstrated with acoustic power >1 W cm(-2), which is promising for applications in epidermal and wearable electronics. Overall, the findings provide a strong foundation for future research in the area of flexible ultrasound transducers.
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收藏
页数：9
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