DocumentCode
378690
Title
Narrowband impedance matching layer for high efficiency thickness mode ultrasonic transducers
Author
Toda, Minoru
Author_Institution
Meas. Specialty Inc., Norristown, PA, USA
Volume
2
fYear
2001
fDate
2001
Firstpage
1173
Abstract
A new matching layer design concept has been proposed for narrow band continuous wave (CW) devices. The structure is different from well-known wideband design, A high power transducer structure was designed and fabricated with PVDF-TrFE to operate at 1.4 MHz. A maximum power output of 6-9 W/cm2 with conversion efficiency of 30-35% was observed
Keywords
impedance matching; piezoelectric transducers; ultrasonic transducers; 1.4 MHz; 30 to 35 percent; PVDF-TrFE; conversion efficiency; high power transducer structure; matching layer design; narrow band continuous wave devices; narrowband impedance matching layer; piezoelectric transducers; power output; thickness mode ultrasonic transducers; Acoustic transducers; Bandwidth; Energy exchange; Impedance matching; Narrowband; Piezoelectric transducers; Resonance; Surface impedance; Ultrasonic transducers; Wideband;
fLanguage
English
Publisher
ieee
Conference_Titel
Ultrasonics Symposium, 2001 IEEE
Conference_Location
Atlanta, GA
Print_ISBN
0-7803-7177-1
Type
conf
DOI
10.1109/ULTSYM.2001.991927
Filename
991927
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