Conferences related to Ultrasonic transducer arrays

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2023 Annual International Conference of the IEEE Engineering in Medicine & Biology Conference (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted full papers will be peer reviewed. Accepted high quality papers will be presented in oral and poster sessions,will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE.


2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII)

The world's premiere conference in MEMS sensors, actuators and integrated micro and nano systems welcomes you to attend this four-day event showcasing major technological, scientific and commercial breakthroughs in mechanical, optical, chemical and biological devices and systems using micro and nanotechnology.The major areas of activity in the development of Transducers solicited and expected at this conference include but are not limited to: Bio, Medical, Chemical, and Micro Total Analysis Systems Fabrication and Packaging Mechanical and Physical Sensors Materials and Characterization Design, Simulation and Theory Actuators Optical MEMS RF MEMS Nanotechnology Energy and Power


2019 IEEE 16th International Symposium on Biomedical Imaging (ISBI)

The IEEE International Symposium on Biomedical Imaging (ISBI) is the premier forum for the presentation of technological advances in theoretical and applied biomedical imaging.ISBI 2019 will be the 16th meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2019 meeting will continue this tradition of fostering cross fertilization among different imaging communities and contributing to an integrative approach to biomedical imaging across all scales of observation.


2019 IEEE 28th International Symposium on Industrial Electronics (ISIE)

The conference will provide a forum for discussions and presentations of advancements inknowledge, new methods and technologies relevant to industrial electronics, along with their applications and future developments.


2019 IEEE International Ultrasonics Symposium (IUS)

The conference covers all aspects of the technology associated with ultrasound generation and detection and their applications.


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Periodicals related to Ultrasonic transducer arrays

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Biomedical Circuits and Systems, IEEE Transactions on

The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Circuits and Systems for Video Technology, IEEE Transactions on

Video A/D and D/A, display technology, image analysis and processing, video signal characterization and representation, video compression techniques and signal processing, multidimensional filters and transforms, analog video signal processing, neural networks for video applications, nonlinear video signal processing, video storage and retrieval, computer vision, packet video, high-speed real-time circuits, VLSI architecture and implementation for video technology, multiprocessor systems--hardware and software-- ...


Electron Devices, IEEE Transactions on

Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronics devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.


Engineering in Medicine and Biology Magazine, IEEE

Both general and technical articles on current technologies and methods used in biomedical and clinical engineering; societal implications of medical technologies; current news items; book reviews; patent descriptions; and correspondence. Special interest departments, students, law, clinical engineering, ethics, new products, society news, historical features and government.


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Most published Xplore authors for Ultrasonic transducer arrays

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Xplore Articles related to Ultrasonic transducer arrays

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Perpendicular fluid flow measurement with a spatial array of ultrasonic transducers

2009 IEEE International Ultrasonics Symposium, 2009

The challenge of remotely measuring fluid flow through a plane of interest for a wide range of velocities is addressed using an array of ultrasonic transducers. Unlike traditional transit-time ultrasonic flow measurements, the proposed method uses the angle-of-arrival of a reflected ultrasonic wave to measure flow perpendicular to the path of propagation. The use of angle-of- arrival information avoids the ...


Underwater acoustic imaging using capacitive micromachined ultrasonic transducer arrays

OCEANS '02 MTS/IEEE, 2002

Capacitive micromachined ultrasonic transducers (CMUTs) have recently emerged as an alternative technology to piezoelectric transducers, offering advantages such as wide bandwidth, ease of fabricating large arrays and potential for integration with electronic circuits. In this paper, we present 2D and 3D pulse-echo imaging results using ID linear and 2D rectangular CMUT arrays, respectively. The aim of this paper is to ...


The phased array technology-application to time reversal in acoustics

Proceedings 2000 IEEE International Conference on Phased Array Systems and Technology (Cat. No.00TH8510), 2000

In this paper, we briefly present two particular experiments based on time- reversal of ultrasonic fields; it shows how the phased array technology can be applied to ultrasonic systems. The method has been widely tested and is robust for defect detection, target location, even in the case of complex or very noisy systems.


30 MHz medical imaging arrays incorporating 2-2 composites

1998 IEEE Ultrasonics Symposium. Proceedings (Cat. No. 98CH36102), 1998

Methods for fabricating and modeling high frequency 2-2 composites and arrays are presented. The composites are suitable for arrays and small aperture single element devices. Coupling coefficients above 0.65 and lateral mode frequencies near 60 MHz have been achieved. Two prototype 4 element 30 MHz linear arrays were designed and built using this composite. Backing and matching layers were fabricated ...


Finite element study of cross coupling in 1-D capacitive micromachined ultrasonic transducer arrays

2002 IEEE Ultrasonics Symposium, 2002. Proceedings., 2002

Many important issues in transducer array design, such as cross-talk, can be investigated using the finite element (FE) method. In this paper, a 2-D finite element model is constructed to analyze the interaction between the elements of 1-D capacitive micromachined ultrasonic transducer (CMUT) arrays. A specific meshing scheme is developed, that allows to simulate a large structure immersed in a ...


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Educational Resources on Ultrasonic transducer arrays

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IEEE.tv Videos

Array storing and retrieval
Array Representation
Random Sparse Adaptation for Accurate Inference with Inaccurate RRAM Arrays - IEEE Rebooting Computing 2017
Concept of Arrays
5G mmW Phased Arrays - Future X Radio Panel Talk - Baljit Singh - Brooklyn 5G Summit 2018
A 28GHz CMOS Direct Conversion Transceiver with Packaged Antenna Arrays for 5G Cellular Systems: RFIC Industry Showcase 2017
Micro-Apps 2013: Design and Simulation of Phased Arrays in VSS
5G UE Phased Array Design - Future X Radio Panel Talk - Ozge Koymen - Brooklyn 5G Summit 2018
Massive MIMO Active Antenna Arrays for Advanced Wireless Communications: IEEE CAS lecture by Dr. Mihai Banu
mmwave Phased Arrays for 5G Applications - Challenges and Opportunities - Ian Gresham: Brooklyn 5G Summit 2017
A 73GHz PA for 5G Phased Arrays in 14nm FinFET CMOS: RFIC Industry Showcase 2017
Abbas El Gamal accepts the IEEE Richard W. Hamming Medal - Honors Ceremony 2016
Brooklyn 5G - 2015 - Dr. Amitabha Ghosh & Dr. Timothy A. Thomas - 5G Channel Modeling from 6 to 100 GHz: Critical Modeling Aspects and Their Effect on System Design and Performance
CASS Lecture by Dr. Chris Hull, "Millimeter-Wave Power Amplifiers in FinFET Technology"
The Josephson Effect: The Josephson Volt
Laser Communication From Space Using Superconducting Detectors - ASC-2014 Plenary series - 12 of 13 - Friday 2014/8/15
Day 1, PM Sessions Part 1- Brooklyn 5G Summit 2018
Micro-Apps 2013: Rapid Simulation of Large Phased Array T/R Module Networks
2011 IEEE Medal for Innovations in Healthcare Technology - Harrison H. Barrett
Recent Research Activities of Applied Superconductivity in China

IEEE-USA E-Books

  • Perpendicular fluid flow measurement with a spatial array of ultrasonic transducers

    The challenge of remotely measuring fluid flow through a plane of interest for a wide range of velocities is addressed using an array of ultrasonic transducers. Unlike traditional transit-time ultrasonic flow measurements, the proposed method uses the angle-of-arrival of a reflected ultrasonic wave to measure flow perpendicular to the path of propagation. The use of angle-of- arrival information avoids the inherent requirement of transit-time techniques to have a non-negligible directional component of the propagation path in the flow direction. A successful proof-of-concept was developed to experimentally validate the proposed technique.

  • Underwater acoustic imaging using capacitive micromachined ultrasonic transducer arrays

    Capacitive micromachined ultrasonic transducers (CMUTs) have recently emerged as an alternative technology to piezoelectric transducers, offering advantages such as wide bandwidth, ease of fabricating large arrays and potential for integration with electronic circuits. In this paper, we present 2D and 3D pulse-echo imaging results using ID linear and 2D rectangular CMUT arrays, respectively. The aim of this paper is to demonstrate the viability of CMUTs for underwater acoustic imaging. For imaging experiments, we have fabricated ID and 2D CMUT arrays, and built an experimental setup allowing us to transmit and receive ultrasound signals from individual transducer elements. The image quality obtained shows that CMUTs are a strong alternative to conventional piezoelectric transducer arrays for the design of future generations of underwater acoustic imaging systems.

  • The phased array technology-application to time reversal in acoustics

    In this paper, we briefly present two particular experiments based on time- reversal of ultrasonic fields; it shows how the phased array technology can be applied to ultrasonic systems. The method has been widely tested and is robust for defect detection, target location, even in the case of complex or very noisy systems.

  • 30 MHz medical imaging arrays incorporating 2-2 composites

    Methods for fabricating and modeling high frequency 2-2 composites and arrays are presented. The composites are suitable for arrays and small aperture single element devices. Coupling coefficients above 0.65 and lateral mode frequencies near 60 MHz have been achieved. Two prototype 4 element 30 MHz linear arrays were designed and built using this composite. Backing and matching layers were fabricated and characterized while coaxial cable was used to electrically tune each element and broaden bandwidth. The measured properties of passive and active components were used to analyze the design in a time-domain finite element analysis program. Agreement between experiment and theory was excellent.

  • Finite element study of cross coupling in 1-D capacitive micromachined ultrasonic transducer arrays

    Many important issues in transducer array design, such as cross-talk, can be investigated using the finite element (FE) method. In this paper, a 2-D finite element model is constructed to analyze the interaction between the elements of 1-D capacitive micromachined ultrasonic transducer (CMUT) arrays. A specific meshing scheme is developed, that allows to simulate a large structure immersed in a fluid, including several cells located on a thick substrate with a backing. The directivity pattern of an individual array element is calculated in pulsed operation directly from FE results, giving an indication of the entity of cross coupling. Several variations on the array design are then explored to reduce the level of cross-talk.

  • Reflecting Love waves by 90 degrees

    In conventional touch panels using Rayleigh waves, the waves make two right- angle turns on their way from transmitter to receiver. These turns are produced by arrays of mirror-like strips of deposited material tilted 45 degrees. To render these panels insensitive to water, Love waves may be used in place of Rayleigh waves. When two Rayleigh waves intersect under a 90/spl deg/ angle, they share the same up and down motion, so that addition of a point mass produces coupling between the two waves. But, when two Love waves intersect at 90/spl deg/, their particle motions are orthogonal. We will show that useful Love-wave coupling is best achieved by perturbing the stiffness of the wave-carrying layer, not by adding mass. We have studied reflections of Love waves using two reflector-array test patterns: One, six strips of heavy and soft material deposited on a Love wave substrate, and the second, six grooves etched into the glass top layer of a similar substrate. Amplitude and angular distribution measurements demonstrate that such etched grooves are preferred for Love-wave touchscreen design.

  • 2F-2 Annular CMUT Arrays for Side Looking Intravascular Ultrasound Imaging

    Although side looking intravascular ultrasound (SL-IVUS) imaging systems using single element piezoelectric transducers set the resolution standard in the assessment of the extent of coronary artery disease, improvements in transducer performance are needed to perform harmonic imaging and high resolution imaging of vulnerable plaque. With their small channel count, annular arrays exploiting the inherent broad bandwidth of CMUTs and electronic focusing capability of integrated electronics provide a path for desired SL- IVUS imaging catheters. In this paper, we first describe the design, low temperature fabrication of an 840 mum diameter, 8 element CMUT annular array. Testing of the individual elements in oil shows a uniform device behavior with 100% fractional bandwidth around 20 MHz without including the effects of attenuation and diffraction. We also present linear scan imaging results obtained on wire targets in oil, tissue and tissue mimicking phantoms using both unfocused and dynamically focused transducers. The results for axial and lateral resolution are in agreement predicted by the simulations and show the feasibility of this approach for high resolution SL-IVUS imaging.

  • Electrostrictive transducers for medical ultrasonic applications

    Ultrasonic phased or sector array transducers were built using PMN-PT based electrostrictive materials. Large field-induced piezoelectric coefficients were obtained in these relaxor-type materials at relatively low DC bias (K/sub t/=0.43-0.50 at 5 KV/cm). The electrostrictive transducers have similar sensitivity and bandwidth compared to conventional PZT transducers. By choosing the appropriate composition and process, the sensitivity variation of electrostrictive transducers can be minimized to within 3 dB over the operating temperature range. The clinical results demonstrate the benefit of using electrostrictive materials to obtain elevation aperture control.

  • Time Domain Modelling of Ultrasonic Transmissions from a Monolithic Phased Array

    None

  • Scanned-beam assisted mild tumor heating using a dual-functional ultrasound linear array

    A commercial ultrasound scanner, a customized co-linear array ultrasound transducer and a real-time temperature feedback controller have been combined to generate controlled mild hyperthermia. Previous studies have shown that single beam-based image-guided local drug delivery can improve the treatment of small tumors. In this study, a scanned-beam based insonation mode was developed to achieve uniform therapy over a larger region. A color-region of interest (ROI) was used to define the scanned area, while periodic B-mode imaging was used to visualize the tumor. In this study, a thermal strain algorithm was also examined for temperature estimation and this algorithm will be applied for temperature control in the future.



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