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Microelectromechanical system and method for determining temperature and moisture profiles within pharmaceutical packaging

  • US 7,089,786 B2
  • Filed: 05/12/2003
  • Issued: 08/15/2006
  • Est. Priority Date: 05/15/2002
  • Status: Expired due to Fees
First Claim
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1. A sensor system for determining an environmental condition within pharmaceutical packaging, comprising:

  • a base sheet having at least one pocket formed therein;

    a lid sheet, said lid sheet including a pocket portion, said pocket portion being disposed proximate said pocket when said lid sheet is bonded to said base sheet, said lid sheet and said base sheet forming an internal cavity when said lid sheet is bonded to said base sheet; and

    a microelectromechanical sensor disposed proximate said pocket portion, said sensor including a sensing element having a moisture sensitive coating thereon, said sensor providing at least first sensor signal in response to an environmental condition within said internal cavity.

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