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Manufacturing method of strain sensor, strain sensor and motion sensing apparatus using the strain sensor

  • US 9,970,832 B2
  • Filed: 04/22/2014
  • Issued: 05/15/2018
  • Est. Priority Date: 06/24/2013
  • Status: Active Grant
First Claim
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1. A strain sensor comprising:

  • a flexible substrate;

    a rigid pattern on one side of the flexible substrate; and

    a conductive flexible pattern extending in a first direction on the one side of the flexible substrate,wherein the conductive flexible pattern is configured to overlap the rigid pattern such that as the flexible substrate is compressed or stretched, the conductive flexible pattern is compressed or stretched, thereby changing electrical resistance,wherein the flexible pattern is configured to form a crack thereon at a portion adjacent to the rigid pattern when the flexible pattern is stretched such that the electrical resistance of the conductive flexible pattern is changed by the crack formed on the flexible pattern.

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