Plastic MEMS promises pervasive ultrasound imaging: Page 2 of 2

September 12, 2018 //By Julien Happich
Plastic MEMS promises pervasive ultrasound imaging
With the aim to make ultrasound transducers more affordable for the medical market, researchers from the University of British Columbia have designed capacitive micromachined ultrasound transducers (CMUTs) out of polymer instead of traditional silicon-based designs.

UBC researcher Carlos Gerardo shows the new
ultrasound transducer.
Credit: Clare Kiernan, University of British Columbia.

Another interesting point is that maximum process temperatures didn't exceed 150°C, meaning these polyCMUTs could be fabricated directly on top of silicon-based electronics such as beam formers and Tx/Rx switches. The researchers anticipate such ultrasound transceivers could be integrated into flexible substrates for conformal and wearable health monitoring systems

"You could miniaturize these transducers and use them to look inside your arteries and veins. You could stick them on your chest and do live continuous monitoring of your heart in your daily life. It opens up so many different possibilities," commented Robert Rohling, professor of electrical and computer engineering at University of British Columbia and co-author of the paper.

University of British Columbia –


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