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BIDIRECTIONAL SHAPE MEMORY DEVICE

  • US 20160177929A1
  • Filed: 02/25/2016
  • Published: 06/23/2016
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a conductive wire that is thermoresistive, the wire coupled to a first electrical lead and a second electrical lead;

    a shape memory polymer coating the wire between the first and second electrical leads;

    wherein (a) in a first configuration the wire is linear;

    (b) in response to a first current level of a first current, transmitted between the first and second electrical leads, the wire expands, and (c) in response to a second current level, unequal to the first current level, the wire contracts.

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