Results 81 to 90 of about 1,251 (192)
Capacitive ultrasonic transducers fabricated using microstereolithography [PDF]
Air-coupled thin-membrane capacitive ultrasonic transducers have been developed that use microstereolithography fabrication with architectures comprised entirely of partially metalised photopolymer. These devices derive considerable advantages from rapid
Bradley, Robert John
core
Capacitive Micromachined Ultrasonic Transducer Based Gas Sensor Modeling and Simulation
, 2011 Micro Electro Mechanical Systems (MEMS) based Ultrasonic Transducers presents several advantages for some applications such as ease of array fabrication, unique thermal manipulation capabilities.
Subir Kumar Sarkar +3 more
core +1 more source
High-Frame-Rate 3-D Vector Flow Imaging in the Frequency Domain
Applied Sciences, 2020 Ultrasound vector Doppler techniques for three-dimensional (3-D) blood velocity measurements are currently limited by low temporal resolution and high computational cost.
Stefano Rossi +3 more
doaj +1 more source
Smart Dust for Chemical Mapping
Advanced Materials, Volume 37, Issue 19, May 12, 2025.This review article explores the advancement of smart dust networks for high‐resolution spatial and temporal chemical mapping. Comprising miniature, wireless sensors, and communication devices, smart dust autonomously collects, processes, and transmits data via swarm‐based communication.
Indrajit Mondal, Hossam Haick
wiley +1 more source
Ultrasonic air-coupled capacitive arrays [PDF]
A model is developed which is capable of predicting the pressure field of a rectangular source, as measured by a finite-sized receiver. This novel method treats the problem in a new way, which allows an integration to be performed over the area of the ...
Neild, Adrian
core
Characterization of multiple moving membrane capacitive micromachined ultrasonic transducer
, 2019 A newly developed multiple moving membrane capacitive micromachined ultrasonic transducer (M3-CMUT) is fabricated and characterized in this thesis. Unlike the single vibrating membrane in the conventional capacitive micromachined ultrasonic transducer ...
Islam, Md. Iftekharul
core
International audienceIn this work, a piezoelectric-capacitive hybrid micromachined ultrasonic transducer (HMUT) with a high round-trip gain was developed to achieve superior pulse-echo imaging performance.
Wu, Tao +5 more
core +1 more source
, 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
core +1 more source
Electrically unbiased driven airborne capacitive micromachined ultrasonic transducer design [PDF]
, 2012 Date of Conference: 7-10 October 2012We present a design method for airborne capacitive micromachined ultrasonic transducers (CMUT). We use an equivalent lumped element circuit to model both electrical and mechanical properties of CMUT and analyze it in ...
Asli Unlugedik +9 more
core +1 more source
Design and Analysis of Capacitive Micromachined Ultrasonic Transducer
, 2019 Background:Objective:To simulate a Micromechanical systems (MEMS) based CMUT working as a transmitter with the existing design and provide comparison within the possible architectural geometries.Methods:FEM simulation software COMSOL is used to simulate ...
Rashmi Sharma +3 more
core +1 more source