Results 21 to 30 of about 799 (161)
Wireless ultrasonic power transfer using a pre-charged CMUT structure with a built-in charge storage capacitor [PDF]
Microsystems & NanoengineeringCapacitive micromachined ultrasonic transducer (CMUT) technology is a potential candidate to implement an ultrasonic power receiver for implantable medical devices (IMDs) because CMUT technology employs photolithography-based microfabrication techniques ...
Muhammetgeldi Annayev +2 more
doaj +2 more sources
Design and Fabrication of Multi-Frequency and Low-Quality-Factor Capacitive Micromachined Ultrasonic Transducers [PDF]
MicromachinesCapacitive micromachined ultrasonic transducers (CMUTs) have been developed for air-coupled applications to address key challenges such as noise, prolonged ringing, and side-lobe interference. This study introduces an optimized CMUT design that leverages
Amirhossein Moshrefi +3 more
doaj +2 more sources
Fabrication and Packaging of CMUT Using Low Temperature Co-Fired Ceramic
Micromachines, 2018 This paper presents fabrication and packaging of a capacitive micromachined ultrasonic transducer (CMUT) using anodically bondable low temperature co-fired ceramic (LTCC).
Fikret Yıldız +2 more
exaly +3 more sources
Sensors, 2019 With Capacitive Micromachined Ultrasound Transducers (CMUTs) increasingly being used for high intensity, large signal ultrasound applications and several drive methods being proposed, the efficiency of these devices in this operation regime have not been
Amirabbas Pirouz, Levent Degertekin
exaly +3 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
Wafer-Bonding Fabricated CMUT Device with Parylene Coating
Micromachines, 2021 The advantages of the capacitive micromachined ultrasound transducer (CMUT) technology have provided revolutionary advances in ultrasound imaging. Extensive research on CMUT devices for high-frequency medical imaging applications has been conducted ...
Changde He +4 more
doaj +1 more source
Experimental Characterization of an Embossed Capacitive Micromachined Ultrasonic Transducer Cell
Micromachines, 2020 Capacitive Micromachined Ultrasonic Transducer (CMUT) is a promising ultrasonic transducer in medical diagnosis and therapeutic applications that demand a high output pressure.
Yuanyu Yu +8 more
doaj +1 more source
Designing circular CMUT cells using CMUT biasing chart [PDF]
2012 IEEE International Ultrasonics Symposium, 2012 A very accurate equivalent circuit model for circular CMUT cell is recently proposed. As a consequence of this model, the operating characteristics of the cell is derived and presented as a biasing chart for CMUTs. We discuss these operating characteristics and show how the coupling coefficient can be derived from the model.
Köymen, Hayrettin +2 more
openaire +2 more sources
Micromachines, 2021 The capacitive micromachined ultrasonic transducer (CMUT), as a new acoustic-electric conversion element, has a promising application prospect. In this paper, the structure of the vacuum capacitive micromachined ultrasonic transducer is presented, and ...
Xiao Huang, Hongliang Wang, Lijun Yu
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