Design and Performance Analysis of Capacitive Micromachined Ultrasonic Transducer Linear Array
Micromachines, 2014 An ultrasonic transducer is a key component to achieve ultrasonic imaging. This paper designs a new type of Microelectromechanical Systems (MEMS) based capacitive ultrasonic transducer and a linear array based on the transducer.
Xiangjun Wang +2 more
exaly +4 more sources
PMMA-Based Wafer-Bonded Capacitive Micromachined Ultrasonic Transducer for Underwater Applications [PDF]
Micromachines, 2019 This article presents a new wafer-bonding fabrication technique for Capacitive Micromachined Ultrasonic Transducers (CMUTs) using polymethyl methacrylate (PMMA).
Mansoor Ahmad +2 more
doaj +2 more sources
Capacitive Micromachined Ultrasonic Transducers (CMUTs) for Underwater Imaging Applications
Sensors, 2015 A capacitive micromachined ultrasonic transducer structure for use in underwater imaging is designed, fabricated and tested in this paper. In this structure, a silicon dioxide insulation layer is inserted between the top electrodes and the vibration ...
Jinlong Song +8 more
doaj +2 more sources
Patch-type capacitive micromachined ultrasonic transducer for ultrasonic power and data transfer [PDF]
Microsystems & NanoengineeringUltrasonic power and data transfer is a promising technology for implantable medical devices because of its non-invasiveness, deep penetration depth, and potential for a high-power transmission rate with a low specific absorption rate.
Chaerin Oh +7 more
doaj +2 more sources
Micromachines, 2022 The study of impedance matching between a transducer and its working medium is an important part of acoustic transducer design. The traditional quarter wavelength matching (Q-matching) scheme is not suitable for broadband capacitive micromachined ...
Bizhen Gao +9 more
doaj +2 more sources
Investigation of New Accelerometer Based on Capacitive Micromachined Ultrasonic Transducer (CMUT) with Ring-Perforation Membrane [PDF]
MicromachinesCapacitive micromachined ultrasonic transducer (CMUT) has been widely studied due to its excellent resonance characteristics and array integration. This paper presents the first study of the CMUT electrostatic stiffness resonant accelerometer. To improve
Luhao Gou +7 more
doaj +2 more sources
Methylated Poly(ethylene)imine Modified Capacitive Micromachined Ultrasonic Transducer for Measurements of CO2 and SO2 in Their Mixtures [PDF]
Sensors, 2019 A gravimetric gas detection device based on surface functionalized Capacitive Micromachined Ultrasound Transducers (CMUTs) was designed, fabricated and tested for detection of carbon dioxide (CO2) and sulfur dioxide (SO2) mixtures in nitrogen.
Dovydas Barauskas +4 more
doaj +2 more sources
Nami Jishu Yu Jingmi Gongcheng/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.
Dachao Li, Li Dachao
exaly +2 more sources
Single-Shot Waterless Low-Profile Photoacoustic System: Near-Field Volumetric Imaging In Vivo for Blood Vessels Based on Capacitive Micromachined Ultrasonic Transducer (CMUT) [PDF]
Sensors, 2019 Intensive research on photoacoustics (PA) for imaging of the living human body, including the skin, vessels, and tumors, has recently been conducted. We propose a PA measurement system based on a capacitive micromachined ultrasonic transducer (CMUT) with
Won Young Choi +5 more
doaj +2 more sources
Design and Evaluation of a Capacitive Micromachined Ultrasonic Transducer(CMUT) Linear Array System for Thickness Measurement of Marine Structures Under Varying Environmental Conditions [PDF]
MicromachinesThis paper presents the design, fabrication, and experimental evaluation of a capacitive micromachined ultrasonic transducer (CMUT) linear array for non-contact thickness measurement of marine engineering structures.
Changde He +9 more
doaj +2 more sources