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 …

Characterization of one-dimensional capacitive micromachined ultrasonic immersion transducer arrays

X Jin, O Oralkan, FL Degertekin… - ieee transactions on …, 2001 - ieeexplore.ieee.org
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 …

Fabrication of capacitive micromachined ultrasonic transducers via local oxidation and direct wafer bonding

KK Park, H Lee, M Kupnik… - Journal of …, 2011 - ieeexplore.ieee.org
We present the successful fabrication of capacitive micromachined ultrasonic transducers
(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 …

Silicon micromachined ultrasonic transducers

BT Khuri-Yakub, FL Degertekin, XC Jin… - … Cat. No. 98CH36102 …, 1998 - ieeexplore.ieee.org
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 …

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 …

Dual-frequency CMUT arrays for multiband ultrasound imaging applications

M Maadi, C Ceroici, RJ Zemp - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Dual-frequency capacitive micromachined ultrasonic transducers (CMUTs) are introduced
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

C Hmingthansanga, R Maity, BK Nath, S Dutta… - Microsystem …, 2024 - Springer
The study of a micro-electro-mechanical-system (MEMS) based capacitive micromachined
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 …

Simulation and experimental characterization of a 2-D capacitive micromachined ultrasonic transducer array element

O Oralkan, X Jin, FL Degertekin… - IEEE transactions on …, 1999 - ieeexplore.ieee.org
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 …