Qualcomm's new ultrasonic fingerprint sensor is 17 times larger

guest · Dec 4, 2019

Qualcomm's new ultrasonic fingerprint sensor is 17 times larger
With space for two prints
December 3, 2019
https://www.neowin.net/news/qualcomms-new-ultrasonic-fingerprint-sensor-is-17-times-larger

During the keynote on the first day of Snapdragon Technology Summit in Maui today, Qualcomm announced 3D Sonic Max, its newest ultrasonic fingerprint sensor. One of the key new features is that it's 17 times larger than its predecessor. This should make it a lot easier to use, since there's no way to feel a screen for the spot you're supposed to scan, like there would be for a dedicated sensor.

Along with that, it can also scan two fingerprints at the same time. Qualcomm didn't go into detail on this, such as why you would want to scan two separate fingerprints. It's likely going to be an optional security feature, where two fingerprints are more accurate than one. The other key new feature, of course, is that it's more accurate.
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Qualcomm announces next-gen fingerprint scanner that's 17x larger

A downside of having an ultrasonic sensor embedded into a phone is that it's not as fast as the optical-based sensors, however, it's more secure than any other fingerprint solution out there right now.
The chip-maker also claims that the new sensor is fast and fairly easy to use, but we'll have to check that out for ourselves when phones with the sensor launch, which they're expected to in 2020.

Qualcomm's 3D Sonic Max sensor measures 20mm x 30mm, giving it a 600 square millimeter sensing area for fingerprint authentication. It is 0.15mm thin as well, so it doesn't hog up too much space.
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