Title :
Ultrasonic piezoelectric transducer for biomedical applications
Author :
Contla, Pedro Acevedo ; Das-Gupta, Dilip K.
Author_Institution :
Sch. of Electron. Eng. Sci., Wales Univ., Gwynedd, UK
Abstract :
Ultrasonic piezoelectric transducers using PVDF (polyvinylidene fluoride) films as active element and epoxy-tungsten composite as backing material were constructed. Simulated and experimentally obtained waveform responses and their power spectra of these transducers were compared. The correspondence of the waveform of the output of the transducers and of the power spectra of the simulation to those of the real transducers was fairly good
Keywords :
biological techniques and instruments; electrets; piezoelectric transducers; ultrasonic transducers; (polyvinylidene fluoride) films; PVDF; biomedical applications; electret; epoxy-tungsten composite; power spectra; ultrasonic piezoelectric transducer; waveform responses; Acoustic materials; Acoustic transducers; Biological materials; Biomedical materials; Biomedical transducers; Electrodes; Impedance; Piezoelectric transducers; Tungsten; Ultrasonic transducers;
Conference_Titel :
Electrets, 1991. (ISE 7) Proceedings., 7th International Symposium on (Cat. No.91CH3029-6)
Conference_Location :
Berlin
Print_ISBN :
0-7803-0112-9
DOI :
10.1109/ISE.1991.167336
