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PRESS SENSOR AND ELECTRONIC DEVICE

  • US 20170131806A1
  • Filed: 01/25/2017
  • Published: 05/11/2017
  • Est. Priority Date: 08/20/2014
  • Status: Active Grant
First Claim
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1. A press sensor comprising:

  • a frame body defining a polygonal shaped opening;

    a plate covering the polygonal shaped opening; and

    a uniaxial stretched piezoelectric film having electrodes on opposed principal surfaces thereof adhered to the plate,wherein a first distance of a first virtual line passing a center point of the polygonal shape and extending at an angle of 45±

    10 degrees with respect to a uniaxial stretch direction of the piezoelectric film, and a second distance of a second virtual line passing the center point and extending at an angle of −

    45±

    10 degrees with respect to the uniaxial stretch direction are different.

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