LG Innotek announced an under glass fingerprint sensor module which will let you just place your finger on the cover glass of the phone and then it identifies your fingerprint. This new module will allow smartphone designers to avoid the home button itself.
Most importantly, the fingerprint accuracy of this new module is almost same as the button type with a false acceptance rate (FAR) of 0.002%.
LG developed a proprietary adhesive to be used to attach the sensor to the glass and the adherend side of the sensor and glass is only 0.0098inches (0.25mm) thick, but it en-dures impact of 4.6 oz (130grams) of the steel ball dropped from 7.9inch (20cm).
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