Understanding Capacitive, Optical and Ultrasonic fingerprint sensors
Figure 1 from 64-Pixel solid state CMOS compatible ultrasonic fingerprint reader | Semantic Scholar
Ultrasonic Unlock: The Innovation Behind Samsung's In-Display
How fingerprint scanners work — Optical, capacitive, and other variants
Why Samsung using ultrasonic tech for the Galaxy S10's in-screen fingerprint scanner matters
Qualcomm's new second-gen ultrasonic fingerprint reader might be the only major upgrade the non-Ultra S21's will have over the S20 series, is it enough to get you to upgrade? : r/Galaxy_S20
Ultrasonic fingerprint sensor based on micromachined ultrasonic... | Download Scientific Diagram
How fingerprint scanners work — Optical, capacitive, and other variants
The Fingerprint File: 4 Fingerprint Sensor Types
The first Snapdragon 8 Gen 1 Smartphone with Qualcomm 3D Sonic Max: The vivo IQOO 9 Pro – sells out in 10 seconds