Abstract
Piezoelectric materials lie at the heart of ultrasonic transducers. Recent advances in materials development include submicron piezoelectric ceramics (PZT) which lead to improvements in feature size, i.e. aspect ratio, element width, etc., for linear arrays and high frequency transducers (> 100 MHz). In contrast to fine grain ceramics, single crystal materials based on Relaxor-PT ferroelectrics offer electromechanical coupling coefficients > 90% with a range of dielectric permittivity (100s to 1000s) allowing flexibility in transducer engineering in regard to electrical impedance matching. Using KLM modeling, very high bandwidth performance > 120% is projected. Specific examples of high frequency 1-3 composites and 1-D linear array transducers fabricated from new piezoelectric materials, including sol-gel derived PZT fibers, are presented.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 174-183 |
| Number of pages | 10 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 3341 |
| DOIs | |
| State | Published - Dec 1 1998 |
| Event | Medical Imaging 1998: Ultrasonic Transducer Engineering - San Diego, CA, United States Duration: Feb 25 1998 → Feb 26 1998 |
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All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering
Cite this
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Innovations in piezoelectric materials for ultrasound transducers. / Shrout, Thomas R.; Park, S. E.; Lopath, P.; Meyer, Jr., Richard Joseph; Ritter, T.; Shung, K.
In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 3341, 01.12.1998, p. 174-183.Research output: Contribution to journal › Conference article
TY - JOUR
T1 - Innovations in piezoelectric materials for ultrasound transducers
AU - Shrout, Thomas R.
AU - Park, S. E.
AU - Lopath, P.
AU - Meyer, Jr., Richard Joseph
AU - Ritter, T.
AU - Shung, K.
PY - 1998/12/1
Y1 - 1998/12/1
N2 - Piezoelectric materials lie at the heart of ultrasonic transducers. Recent advances in materials development include submicron piezoelectric ceramics (PZT) which lead to improvements in feature size, i.e. aspect ratio, element width, etc., for linear arrays and high frequency transducers (> 100 MHz). In contrast to fine grain ceramics, single crystal materials based on Relaxor-PT ferroelectrics offer electromechanical coupling coefficients > 90% with a range of dielectric permittivity (100s to 1000s) allowing flexibility in transducer engineering in regard to electrical impedance matching. Using KLM modeling, very high bandwidth performance > 120% is projected. Specific examples of high frequency 1-3 composites and 1-D linear array transducers fabricated from new piezoelectric materials, including sol-gel derived PZT fibers, are presented.
AB - Piezoelectric materials lie at the heart of ultrasonic transducers. Recent advances in materials development include submicron piezoelectric ceramics (PZT) which lead to improvements in feature size, i.e. aspect ratio, element width, etc., for linear arrays and high frequency transducers (> 100 MHz). In contrast to fine grain ceramics, single crystal materials based on Relaxor-PT ferroelectrics offer electromechanical coupling coefficients > 90% with a range of dielectric permittivity (100s to 1000s) allowing flexibility in transducer engineering in regard to electrical impedance matching. Using KLM modeling, very high bandwidth performance > 120% is projected. Specific examples of high frequency 1-3 composites and 1-D linear array transducers fabricated from new piezoelectric materials, including sol-gel derived PZT fibers, are presented.
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UR - http://www.scopus.com/inward/citedby.url?scp=0032403195&partnerID=8YFLogxK
U2 - 10.1117/12.307998
DO - 10.1117/12.307998
M3 - Conference article
AN - SCOPUS:0032403195
VL - 3341
SP - 174
EP - 183
JO - Proceedings of SPIE - The International Society for Optical Engineering
JF - Proceedings of SPIE - The International Society for Optical Engineering
SN - 0277-786X
ER -