Design and Analysis of MEMS Based PVDF Ultrasonic Transducers for Vascular Imaging
AbstractPolyvinilidene fluoride (PVDF) single-element transducers for high-frequency (> 30 MHz) ultrasound imaging applications have been developed using MEMS (Micro-electro-Mechanical Systems) compatible techniques. Performance of these transducers has been investigated by analyzing the sources and effects of on-chip parasitic capacitances on the insertion-loss of the transducers. Modeling and experimental studies showed that on-chip parasitic capacitances degraded the performance of the transducers and an improved method of fabrication was suggested and new devices were built. New devices developed with minimal parasitic effects were shown to improve the performance significantly. A 1-mm aperture PVDF device developed with minimal parasitic effects has resulted in a reduction of insertion loss of 21 dB compared with devices fabricated using a previous method.
Scifeed alert for new publicationsNever miss any articles matching your research from any publisher
- Get alerts for new papers matching your research
- Find out the new papers from selected authors
- Updated daily for 49'000+ journals and 6000+ publishers
- Define your Scifeed now
Chandrana, C.; Talman, J.; Pan, T.; Roy, S.; Fleischman, A. Design and Analysis of MEMS Based PVDF Ultrasonic Transducers for Vascular Imaging. Sensors 2010, 10, 8740-8750.
Chandrana C, Talman J, Pan T, Roy S, Fleischman A. Design and Analysis of MEMS Based PVDF Ultrasonic Transducers for Vascular Imaging. Sensors. 2010; 10(9):8740-8750.Chicago/Turabian Style
Chandrana, Chaitanya; Talman, James; Pan, Tao; Roy, Shuvo; Fleischman, Aaron. 2010. "Design and Analysis of MEMS Based PVDF Ultrasonic Transducers for Vascular Imaging." Sensors 10, no. 9: 8740-8750.