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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2018.2868413
|2 doi
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|a pubmed24n0960.xml
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|a (DE-627)NLM288211979
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|a (NLM)30183624
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhang, Zhiqiang
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Development of a KNN Ceramic-Based Lead-Free Linear Array Ultrasonic Transducer
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 30.09.2019
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|a Date Revised 30.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a High-frequency array transducers can provide higher imaging resolution than traditional transducers, thus resolving smaller features and producing finer images. Commercially available ultrasonic transducers are mostly made with lead-based piezoelectric materials, which are harmful to the environment and public health. This paper presents the development of the 64-elements high-frequency (18.3 MHz) lead-free linear array ultrasonic transducer based on (K0.44Na0.52Li0.04)(Nb0.86Ta0.1Sb0.04)O3 (KNLNTS) piezoceramic. Array elements were spaced at a 75- pitch, and interconnected via a custom flexible circuit. The two matching layers and a light backing material were used to improve the performance of the array. The developed KNLNTS ceramic-based lead-free linear array exhibited a center frequency of 18.3 MHz, an average -6-dB bandwidth of 42%, an average two-way insertion loss of 41.8 dB, and a crosstalk between the adjacent elements of less than -53 dB near the center frequency. An image of a tungsten wire phantom was acquired using a Verasonics Vantage research ultrasound system. Results from imaging tests demonstrated a good imaging capability with a spatial resolution of axially and laterally, indicating that the lead-free linear array ultrasonic transducer based on KNLNTS ceramics is a promising alternative to lead-based transducers for ultrasound medical imaging
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|a Journal Article
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|a Research Support, N.I.H., Extramural
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|a Research Support, Non-U.S. Gov't
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| 700 |
1 |
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|a Chen, Ruimin
|e verfasserin
|4 aut
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1 |
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|a Wang, Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Tianfu
|e verfasserin
|4 aut
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1 |
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|a Su, Min
|e verfasserin
|4 aut
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1 |
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|a Liu, Rong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Jiaxing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cao, Xiaodong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yongxiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Hairong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shung, K Kirk
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Humayun, Mark S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Qifa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qiu, Weibao
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 65(2018), 11 vom: 05. Nov., Seite 2113-2120
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
1 |
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|g volume:65
|g year:2018
|g number:11
|g day:05
|g month:11
|g pages:2113-2120
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|u http://dx.doi.org/10.1109/TUFFC.2018.2868413
|3 Volltext
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