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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2019.2944668
|2 doi
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|a pubmed24n1352.xml
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|a (DE-627)NLM301747040
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|a (NLM)31567082
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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 Wodnicki, Robert
|e verfasserin
|4 aut
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|a Co-Integrated PIN-PMN-PT 2-D Array and Transceiver Electronics by Direct Assembly Using a 3-D Printed Interposer Grid Frame
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 28.03.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Tiled modular 2-D ultrasound arrays have the potential for realizing large apertures for novel diagnostic applications. This work presents an architecture for fabrication of tileable 2-D array modules implemented using 1-3 composites of high-bandwidth (BW) PIN-PMN-PT single-crystal piezoelectric material closely coupled with high-voltage CMOS application-specific integrated circuit (ASIC) electronics for buffering and multiplexing functions. The module, which is designed to be operated as a λ -pitch 1.75-D array, benefits from an improved electromechanical coupling coefficient and increased Curie temperature and is assembled directly on top of the ASIC silicon substrate using an interposer backing. The interposer consists of a novel 3-D printed acrylic frame that is filled with conducting and acoustically absorbing silver epoxy material. The ASIC comprises a high-voltage switching matrix with locally integrated buffering and is interfaced to a Verasonics Vantage 128, using a local field programmable gate array (FPGA) controller. Multiple prototype 5 ×6 element array modules have been fabricated by this process. The combined acoustic array and ASIC module was configured electronically by programming the switches to operate as a 1-D array with elements grouped in elevation for imaging and pulse-echo testing. The resulting array configuration had an average center frequency of 4.55 MHz, azimuthal element pitch of [Formula: see text], and exhibited average -20-dB pulsewidth of 592 ns and average -6-dB fractional BW of 77%
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|a Journal Article
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|a Kang, Haochen
|e verfasserin
|4 aut
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|a Chen, Ruimin
|e verfasserin
|4 aut
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|a Cabrera-Munoz, Nestor E
|e verfasserin
|4 aut
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|a Jung, Hayong
|e verfasserin
|4 aut
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| 700 |
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|a Jiang, Laiming
|e verfasserin
|4 aut
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|a Foiret, Josquin
|e verfasserin
|4 aut
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|a Liu, Yu
|e verfasserin
|4 aut
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|a Chiu, Victoria
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Stephens, Douglas N
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Qifa
|e verfasserin
|4 aut
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| 700 |
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|a Ferrara, Katherine W
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 67(2020), 2 vom: 02. Feb., Seite 387-401
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
1 |
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|g volume:67
|g year:2020
|g number:2
|g day:02
|g month:02
|g pages:387-401
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|u http://dx.doi.org/10.1109/TUFFC.2019.2944668
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