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Piezoelectric Micromachined Ultrasonic Transducer Device and Methods

技术优势: Mode flexibility including pulse-echo and continuous wave Positioned for wide range of beamwidths (directionality) over wide range of frequencies Lower manufacturing cost (at least an order of magnitude) comparing to state-of-the-art medical ultrasound technologies Portability of the system in form of patches or handheld devices High sensitivity even at low voltages (1-10V) compatible with battery-powered consumer electronics Smaller size comparing to other non-MEMS technology targeting the same applications

*Abstract: Ultrasound transducers have been widely used in applications such as imaging, diagnostics, and treatments or therapy. Piezoelectric micromachined ultrasonic transducers (pMUTs) for medical devices configured to direct sound waves to body tissue have attracted industry attention for their high pressure-to-size-output ratios, small geometry, low manufacturing cost, low driving voltages, low power consumption, and favorable compatibilities with CMOS and consumer electronics. Traditional ultrasound-based methods involve complex, bulky and expensive hardware. single-electrode unimorph pMUTs have less favorable performance characteristics for medical diagnostics and treatment. Researchers at the University of California, Berkeley, have developed next generation of pMUTs arrays with desirable electromechanical coupling and output efficiencies for medical applications.

*Principal Investigation: Name: Sina Akhbari
Department:

Name: Benjamin Eovino
Department:

Name: Liwei Lin
Department:

其他

Additional Technologies by these Inventors

Tech ID/UC Case

25842/2016-162-0

Related Cases

2016-162-0

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