How Ultrasonic Fingerprint Sensing Works and Why it is Important
Samsung Galaxy S10 to come with Qualcomm's third-gen ultrasonic fingerprint scanner | TechBeasts
This is the new Qualcomm fingerprint scanner that could debut with the Galaxy S21
Ultrasonic fingerprint sensor using a piezoelectric micromachined ultrasonic transducer array integrated with complementary metal oxide semiconductor electronics: Applied Physics Letters: Vol 106, No 26
Qualcomm's new in-display ultrasonic fingerprint reader can read two fingers at once - The Verge
How fingerprint scanners work — Optical, capacitive, and other variants
Ultrasonic vs Optical: What's the difference between fingerprint scanners?
How fingerprint scanners work — Optical, capacitive, and other variants