High Q factor sensor

  • US 7,147,604 B1
  • Filed: 08/07/2002
  • Issued: 12/12/2006
  • Est. Priority Date: 08/07/2002
  • Status: Active Grant
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First Claim
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1. A sensor for in vivo use within the body of a patient, comprising:

  • a first substrate of polyimide, said first substrate having first and second sides;

    a first inductor comprised of a conductive material and disposed on said first side of said first substrate;

    a second substrate of polyimide, said second substrate having first and second sides;

    a second inductor comprised of a conductive material and disposed on said first side of said second substrate;

    said first and second substrates being disposed in parallel, spaced apart relation with said first sides of said substrates in apposition; and

    an intermediate layer disposed between said first and second substrates and maintaining said first and second inductors in spaced-apart relation, said intermediate layer having an opening formed therein such that at least a portion of said first and second inductors are movable toward one another through said opening in response to a change in an external condition.

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