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Strain sensors and housings and circuit boards with integrated strain sensors

  • US 20040183648A1
  • Filed: 03/21/2003
  • Published: 09/23/2004
  • Est. Priority Date: 03/21/2003
  • Status: Abandoned Application
First Claim
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1. A circuit board with integrated strain sensor comprising:

  • a first contact adapted for coupling to an external resistance measuring circuit;

    a second contact adapted for coupling to the external resistance measure circuit, said second contact disposed in spaced relation to the first contact;

    a piezoresistive material extending between the first contact and the second contact;

    whereby, flexing of the circuit board causes a change of resistance in the piezoresistive material that can be used to sense strain of the circuit board.

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