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SELF-CAPACITIVE FINGERPRINT SENSOR WITH ACTIVE AMPLIFIED PIXELS

  • US 20170103246A1
  • Filed: 10/18/2016
  • Published: 04/13/2017
  • Est. Priority Date: 10/06/2014
  • Status: Active Grant
First Claim
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1. A fingerprint sensor device, comprising:

  • a substrate;

    a fingerprint sensor disposed over the substrate, wherein the fingerprint sensor includes an array of sensor pixels configured to generate fingerprint data by sensing ridges and valleys of a surface of a finger contacting the fingerprint sensor device; and

    a pressure sensor disposed over the substrate at a plane of the fingerprint sensor, wherein the pressure sensor is configured to detect a pressure from the finger to communicate a unlock signal to initiate fingerprint detection.

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