Ross Young is back with more on Samsung's upcoming Galaxy Note20 phones. He already covered some screen details (including the 120Hz refresh rate), now he says that the two Notes may be the first phones to adopt Qualcomm's new 3D Sonic Max fingerprint reading technology. It creates a sensing area 17x larger than before, covering 20mm x 30mm (a typical reader is only 4mm x 9mm). Max can even scan two fingerprints simultaneously, which increases the level of security offered by the system. Young and his team believe that Samsung will stick with the center punch hole design for the selfie...
Source: https://www.gsmarena.com/ross_young_galaxy_note20_duo_will_larger_ultrasonic_fingerprint_readers_from_qualcomm-news-43196.php