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Electrostatic sensing device

  • US 10,261,637 B2
  • Filed: 12/29/2015
  • Issued: 04/16/2019
  • Est. Priority Date: 12/31/2014
  • Status: Active Grant
First Claim
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1. An electrostatic sensing device, comprising:

  • an electrostatic sensing module comprising two first electrodes and a first electrostatic sensing element, wherein the two first electrodes are separately located on and electrically connected to two opposite ends of the first electrostatic sensing element, and the first electrostatic sensing element is one-dimensional semiconducting linear structure with a diameter less than 100 nanometers; and

    a control unit electrically connected to the electrostatic sensing module, wherein the control unit electrically is configured to apply a direct voltage to the first electrostatic sensing element and measure a resistance change between the two opposite ends of the first electrostatic sensing element which is generated by static electricity of an object near and without touching the one-dimensional semiconducting linear structure.

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