Results 41 to 50 of about 1,412,725 (216)
3D cone-beam breast ultrasonic tomography imaging for capacitive micromachined ultrasonic transducer cylindrical array [PDF]
JASA Express Letters, 2021 In this paper, a 3D cone-beam ultrasonic transmission tomography method for capacitive micromachined ultrasonic transducer (CMUT) cylindrical phased array was proposed.
Yu Pei +6 more
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A Study on Capacitive Micromachined Ultrasonic Transducer Periodic Sparse Array
Micromachines, 2021 Capacitive micromachined ultrasonic transducer (CMUT) is an ultrasonic transducer based on the microelectromechanical system (MEMS). CMUT elements are easily made into a high-density array, which will increase the hardware complexity.
Tian Zhang +6 more
doaj +1 more source
Nanotechnology and Precision Engineering, 2021 An air parametric array can generate a highly directional beam of audible sound in air, which has a wide range of applications in targeted audio delivery.
Xiaoli Zhang, Hui Zhang, Dachao Li
doaj +1 more source
Flexible transparent CMUT arrays for photoacoustic tomography
Optics Express, 2022 This paper reports the fabrication and characterization of the first flexible transparent capacitive micromachined ultrasound transducer (CMUT) array for through-illumination photoacoustic tomography. Fabricated based on an adhesive wafer bonding technique and a PDMS backfill approach, the array has a maximum transparency of 67% in visible light range ...
Mahyar Ghavami +2 more
openaire +2 more sources
Transmitting CMUT Arrays without a DC Bias [PDF]
2019 IEEE International Ultrasonics Symposium (IUS), 2019 This study focuses on design, simulation, fabrication and measurement of transmitting CMUT arrays with unbiased mode of operation. We presented a design procedure considering the radiation pattern, Rayleigh distance and the parameters of the large signal equivalent circuit, which can be applied for different operation frequencies and applications ...
Enhoş, Kerem +4 more
openaire +2 more sources
Micromachines, 2022 Capacitive micromachined ultrasonic transducers (CMUT) are MEMS-based transducers with advantages over conventional ultrasonic transducers, such as their small size, the ease of integration with semiconductor electronics, and batch fabrication.
Chirag Goel +2 more
doaj +1 more source
Transparent Dual-Frequency CMUT Arrays for Photoacoustic Imaging
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2023 The opaque ultrasound transducers used in conventional photoacoustic imaging systems necessitate oblique light delivery, which gives rise to some disadvantages such as inefficient target illumination and bulky system size. This work proposes a transparent capacitive micromachined ultrasound transducer (CMUT) linear array with dual-band operation for ...
Mahyar Ghavami +2 more
openaire +2 more sources
Simulating CMUT arrays using time domain FEA [PDF]
2017 IEEE International Ultrasonics Symposium (IUS), 2017 PZFlex is a commercial FEA software that has been optimized for the ultrasound industry and is commonly used to design piezoelectric ultrasound transducers. However, PZFlex is not commonly used within the CMUT research field. Nevertheless, it has an explicit modeling approach allowing large structures like CMUT arrays to be modeled and its transient ...
Engholm, Mathias +6 more
openaire +1 more source
MOSAIC: An integrated ultrasonic 2-D array system [PDF]
, 2007 An investigation into the development of an ultrasound imaging system capable of customization for multiple applications via the tessellation of in-system programmable scalable modules, or tiles, is presented here.
D.R.S. Cumming +9 more
core +1 more source
MOSAIC: A Scalable reconfigurable 2D array system for NDT [PDF]
, 2008 This paper documents the development of a scalable 2D array system, or Mosaic that can be targeted at a wide range of NDT applications by way of a reconfigurable tile that can be tessellated to form arrays of any size and shape.
Afroukh, F. +16 more
core +1 more source