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Alumni Roster
     
 
Ofer Rozen, Ph.D.

Mechanical and Aerospace Engineering
Advisor: Prof. Horsley
(530) 752-5180

BIOGRAPHY

Aluminum Nitride Piezoelectric Micromachined Ultrasound Transducers [BPN466]
Characterize air-coupled aluminum nitride piezoelectric micromachined ultrasound
transducers (pMUTs) for use in range finding and gesture recognition applications. MEMS Aluminum
Nitride (AlN) piezoelectric sensor technology has been chosen due to the relatively simple
deposition process and compatibility with CMOS technology which enables the potential integration
of the sensor and drive electronics on the same chip. Guided by both analytic and finite element
models the optimum design parameters are chosen to obtain the desired resonant frequency, bandwidth,
and maximum output sound pressure for the transmitter, and maximum sensitivity for the receiver. We
are currently exploring several conceptual designs, using different fabrication processes, to improve
robustness while maintaining the performance.


Current Active Projects:
BPN466
 

     Last Updated: Mon 2014-Jan-13 17:09:17

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