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Sina Akhbari, Ph.D. 2016

Advisor: Prof. Lin

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Research Interests: Design and Fabrication of Micro-Electro Mechanical Sensors and Actuators; Piezoelectric Micromachined Ultrasonic Transducers; MEMS-based Resonators.

Sina Akhbari is currently a Ph.D. candidate in the Department of Mechanical Engineering at UC Berkeley. He received his B.Sc. (2012) in Mechanical Engineering from Sharif University of Technology, Tehran, Iran. He received his M.Sc. (2014) from the University of California at Berkeley as part of his PhD program and advanced toward PhD candidacy in the same year. He has been working on design and fabrication of MEMS Resonator Gyroscopes and Piezoelectric Micromachined Ultrasonic Transducers (pMUTs) as part of Ph.D. research.

Highly Responsive pMUTs [BPN743]
Ultrasonics has been realized as a nondestructive measurement method for a variety of applications, such as medical imaging,
healthcare monitoring, structural testing, range finding, and motion sensing. 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 ultrasonic transducers
are known to have several pronounced advantages over the conventional ultrasound devices, namely higher resolution, higher
bandwidth, and lower power consumption. The main purpose of this project is to develop new architectures of Piezoelectric
Micromachined Ultrasonic Transducers (pMUT) with higher electro-mechano-acoustical energy efficiency and increased sensitivity
while using CMOS-compatible fabrication technology, making them suitable for battery-powered handheld devices. The specific focus
is on power-efficient hand-held medical devices for diagnosis/therapy with high acoustic pressure generation requirements.

Current Active Projects:

     Last Updated: Wed 2016-Jun-22 12:42:08

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