Capacitive micromachined ultrasonic transducers: Next-generation arrays for acoustic imaging?
O Oralkan, AS Ergun, JA Johnson… - IEEE transactions on …, 2002 - ieeexplore.ieee.org
Piezoelectric materials have dominated the ultrasonic transducer technology. Recently,
capacitive micromachined ultrasonic transducers (CMUTs) have emerged as an alternative …
capacitive micromachined ultrasonic transducers (CMUTs) have emerged as an alternative …
Characterization of one-dimensional capacitive micromachined ultrasonic immersion transducer arrays
We report on the characterization of 1D arrays of capacitive micromachined ultrasonic
transducers (cMUT). A 275/spl times/5600/spl mu/m 1D CMUT array element is …
transducers (cMUT). A 275/spl times/5600/spl mu/m 1D CMUT array element is …
Fabrication of capacitive micromachined ultrasonic transducers via local oxidation and direct wafer bonding
We present the successful fabrication of capacitive micromachined ultrasonic transducers
(CMUTs) with an improved insulation layer structure. The goal is to improve device reliability …
(CMUTs) with an improved insulation layer structure. The goal is to improve device reliability …
Top-orthogonal-to-bottom-electrode (TOBE) CMUT arrays for 3-D ultrasound imaging
A Sampaleanu, P Zhang, A Kshirsagar… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Two-dimensional ultrasound arrays hold great promise for 3-D imaging; however, wiring of
each channel becomes impractical for large arrays or for small-footprint catheter probes for …
each channel becomes impractical for large arrays or for small-footprint catheter probes for …
Silicon micromachined ultrasonic transducers
This paper reviews ultrasonic transducers that are made by silicon micromachining (MUTs).
Transducers for both air-borne and immersion applications are made from parallel plate …
Transducers for both air-borne and immersion applications are made from parallel plate …
A comparison between conventional and collapse-mode capacitive micromachined ultrasonic transducers in 10-MHz 1-D arrays
KK Park, O Oralkan… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
This paper presents a comprehensive comparison between a collapse-mode and a
conventional-mode capacitive micromachined ultrasonic transducer (CMUT); both devices …
conventional-mode capacitive micromachined ultrasonic transducer (CMUT); both devices …
Dual-frequency CMUT arrays for multiband ultrasound imaging applications
Dual-frequency capacitive micromachined ultrasonic transducers (CMUTs) are introduced
for multiscale imaging applications, where a single array transducer can be used for both …
for multiscale imaging applications, where a single array transducer can be used for both …
Performance analysis of FEM simulated different shaped membranes based capacitive MEMS sensor
The study of a micro-electro-mechanical-system (MEMS) based capacitive micromachined
ultrasonic transducer (CMUT) is considered. The characteristics and behavioral studies of …
ultrasonic transducer (CMUT) is considered. The characteristics and behavioral studies of …
Finite element analysis of underwater capacitor micromachined ultrasonic transducers
Y Roh, BT Khuri-Yakub - IEEE transactions on ultrasonics …, 2002 - ieeexplore.ieee.org
A simple electromechanical equivalent circuit model is used to predict the behavior of
capacitive micromachined ultrasonic transducers (cMUT). The equivalent circuit model of the …
capacitive micromachined ultrasonic transducers (cMUT). The equivalent circuit model of the …
Simulation and experimental characterization of a 2-D capacitive micromachined ultrasonic transducer array element
In this letter, a 400-/spl mu/m/spl times/400-/spl mu/m 2-D capacitive micromachined
ultrasonic transducer (cMUT) array element is experimentally characterised, and the results …
ultrasonic transducer (cMUT) array element is experimentally characterised, and the results …