DocumentCode
2097171
Title
Multilayer ceramics and composites for ultrasonic imaging arrays
Author
Zipparo, M. ; Oakley, C. ; He, M.
Author_Institution
Tetrad Corp., Englewood, CO, USA
Volume
2
fYear
1999
fDate
1999
Firstpage
947
Abstract
This paper describes enhancing transducer performance by simultaneously improving both acoustical impedance matching between the piezoelectric material and the tissue being imaged and electrical impedance matching between the piezoelectric material and the system electronics. Transducers fabricated with multilayer composites show a 3 dB increase in TR amplitude, over a 6 dB improvement in insertion loss, and an 18% increase in bandwidth relative to similar ceramic transducers
Keywords
composite materials; impedance matching; piezoceramics; ultrasonic imaging; ultrasonic transducer arrays; acoustical impedance matching; bandwidth; composites; electrical impedance matching; enhancing transducer performance; multilayer ceramics; piezoelectric material; system electronics; tissue; ultrasonic imaging arrays; Acoustic transducers; Ceramics; Impedance matching; Insertion loss; Nonhomogeneous media; Piezoelectric materials; Piezoelectric transducers; Ultrasonic imaging; Ultrasonic transducer arrays; Ultrasonic transducers;
fLanguage
English
Publisher
ieee
Conference_Titel
Ultrasonics Symposium, 1999. Proceedings. 1999 IEEE
Conference_Location
Caesars Tahoe, NV
ISSN
1051-0117
Print_ISBN
0-7803-5722-1
Type
conf
DOI
10.1109/ULTSYM.1999.849145
Filename
849145
Link To Document