Results 101 to 110 of about 324,266 (197)
A PolyMUMPs Capacitive Micromachined Ultrasonic Transducer
, 2011 This work presents the design of Capacitive Micromachined Ultrasonic Transducers (CMUTs) with one and multiple bottom electrodes and their fabrication using the PolyMUMPs technique provided by MEMSCAP Inc. It also reports a new behavioral model of the CMUTs written in VHDL-AMS, complemented by a comparison between finite element analysis, behavioral ...
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, 2018 In various applications of ultrasonic waves, the ultrasonic transducer is the key device of ultrasonic testing and ultrasonic imaging. Compared with the traditional piezoelectric transducer, the capacitive micromachined ultrasonic transducer (CMUT) has ...
Changde He +6 more
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Design and implementation of CMUT multi-channel ultrasonic transceiver board based on PXIe
Dianzi Jishu YingyongTo enable multi-channel pulse transmission, data acquisition, storage, transmission, and analysis based on a capacitive micromachined ultrasonic transducer (CMUT) array, a 32-channel ultrasound transceiver board was designed based on the PXIe bus.
Wu Shuaiqi +5 more
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Capacitive micromachined ultrasonic transducer (CMUT) array with single-layer graphene membrane
, 2014 A capacitive micromachined ultrasonic transducer (CMUT) with a graphene membrane is reported. The CMUT membranes were commonly made from very thin silicon nitride or metal material. To date, no graphene CMUT has been successfully used.
Chong, PF, Shi, X, Cheng, CH
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IEEE Open Journal of Ultrasonics, Ferroelectrics, and Frequency ControlCapacitive Micromachined Ultrasonic Transducers (CMUTs) provide a path to mass-produced cost-efficient transducers for clinical imaging and wearables. However, their inherent nonlinearities, especially at high excitation voltages, can degrade performance
Tonnis Trittler +9 more
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Capacitive micromachined ultrasonic transducers
, 2007 Ultrasound technology is a powerful tool in medical diagnosis. While piezoelectric ultrasonic transducers are dominant on the marked at present, capacitive transducers cMUT- are being explored as a complementary technology. The cMUT is a device produced by silicon surface micromachining technology and can compete on production cost and other technical ...
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Capacitive micromachined ultrasonic transducer (cmut) devices and methods of manufacturing
, 2020 A method of forming a capacitive micromachined ultrasonic transducer (CMUT) device includes bonding a CMUT substrate to a silicon on insulator (SOI) substrate.
Yizhen Lin +2 more
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Finite element and equivalent circuit modeling of capacitive micromachined ultrasonic transducer (CMUT) / [PDF]
, 2006 In this thesis, a precise finite element model (FEM) of capacitive micromachined ultrasonic transducer is developed. Trough the results of the FEM, an equivalent circuit model of a transducer is built which enables high efficient design of transceiver ...
Yamaner, Yalçın Feysel
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Journal of Manufacturing and Materials ProcessingThis study investigates the effects of post-fabrication annealing on polymer-based capacitive micromachined ultrasonic transducers (polyCMUTs). These devices comprise microscopic diaphragms produced via photolithographic patterning of polymer layers ...
Chenyang Luo +4 more
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Micromachined ultrasonic transducers
, 2008 In this chapter the basic principles, the fabrication process, and some modelling approaches of the novel micromachined ultrasonic transducers (MUTs) are described.
SAVOIA, ALESSANDRO STUART +3 more
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