On January 12, according to foreign media reports, chip giant Qualcomm has released the second generation of under screen fingerprint recognizer 3dsonic sensor Gen2.

In 2018, the company released the first generation of ultrasonic fingerprint recognizer, which is used in Samsung Galaxy S10 series mobile phones, providing a completely different alternative technology from competitors’ optical fingerprint sensor solutions.

Compared with the original model, Qualcomm’s second-generation under screen fingerprint recognizer provides a larger surface area and faster processing speed, which can unlock the phone faster.

According to Qualcomm, the surface area of the second generation under screen fingerprint recognizer is 64 square millimeters, an increase of 77% compared with the original generation (36 square millimeters).

By combining larger sensors with faster processing speed, Qualcomm promises to scan fingerprints to unlock the phone 50% faster than the first generation, which is expected to narrow the performance gap between it and optical sensors, which are usually better than the former in terms of speed.

In addition, the new sensor is very thin, only 0.2mm, which may be one of its biggest advantages over its competitors’ optical fingerprint sensors, which require at least some kind of lens system and are usually thicker.

Compared with capacitive sensors, Qualcomm’s second-generation under screen fingerprint recognizer still has one advantage, that is, it can recognize even if the finger is wet.

Qualcomm expects the first phones to use its new version of the ultrasonic fingerprint reader to be available in early 2021. However, the company did not disclose the name of the manufacturer or device.

Editor in charge: yyx

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