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Physical Sensors & Devices
     
 

BPN743: Highly Responsive pMUTs

Project ID BPN743
Website
Start Date Sat 2014-Feb-01 09:32:40
Last Updated Mon 2015-Aug-24 18:16:54
Abstract Ultrasonics has been realized as a nondestructive measurement method for a variety of applications, such as: medical imaging, healthcare monitoring, nondestructive testing, range finding, motion sensing ,and etc. In addition, high intensity ultrasound can be used in therapeutic treatments, such as: lithotripsy for kidney stone comminution, hyperthermia for cancer therapy, high-intensity focused ultrasound (HIFU) for laparoscopic surgery, and transcranial sonothrombolysis for brain stroke treatment. MEMS ultrasound transducers are known to have several advantages over the conventional ultrasound devices, such as: higher resolution, higher bandwidth, and lower power consumption. The main purpose of this project is to develop new architectures of Piezoelectric Micromachined Ult1rasonic Transducers (pMUT) with higher electromechanical energy efficiency and higher sensitivity using CMOS fabrication technology, which make them suitable for battery power handheld devices. The specific focus is on power-efficient hand-held medical devices for diagnosis/therapy with high acoustic intensity and high frequency bandwidth requirements.
Status Continuing
Funding Source BSAC Member Fees
IAB Research Area Physical Sensors & Devices
Researcher(s) Sina Akhbari, Benjamin Eovino
Advisor(s) Liwei Lin
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