Samsung's fingerprint sensor hacked by a $3 case. Warning issued for Millions of S10 & Note 10 users - DigiStatement
Another Korean Report Predicts that Samsung's 2019 Galaxy S10 will introduce Ultrasonic In-Display Biometric Scanning - Patently Apple
Qualcomm 3D Sonic Sensor Fingerprint - System Plus Consulting
Samsung's Ultrasonic based Fingerprint Scanner for under a Smartphone Display was confirmed in a Patent this week - Patently Mobile
Optical versus ultrasonic: The difference between in-display fingerprint scanners
How fingerprint scanners work — Optical, capacitive, and other variants
Optical vs Ultrasonic Scanners: How They Work on Phones - Dignited
Qualcomm's new in-display ultrasonic fingerprint reader can read two fingers at once - The Verge
Ultrasonic fingerprint sensor using a piezoelectric micromachined ultrasonic transducer array integrated with complementary metal oxide semiconductor electronics: Applied Physics Letters: Vol 106, No 26
In-display Fingerprint Sensors: Types and Working
Qualcomm inks deal with BOE to bring Ultrasonic Fingerprint Scanners to more phones
IFTLE 424: Fingerprint Sensors Are Going Ultrasonic - 3D InCites
Samsung Galaxy S10 to come with Qualcomm's third-gen ultrasonic fingerprint scanner | TechBeasts
How Ultrasonic Fingerprint Sensing Works and Why it is Important
Major fingerprint technologies advantages & disadvantages in Smartphones -H2S Media