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Tamper event detection films, systems and methods

  • US 7,812,726 B2
  • Filed: 08/07/2007
  • Issued: 10/12/2010
  • Est. Priority Date: 08/07/2006
  • Status: Expired due to Fees
First Claim
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1. A system for detecting a tamper event in a film comprising:

  • a. at least one stretch film having an electrically conductive ink pattern applied thereto wherein the electrically conductive ink pattern remains electrically conductive when the stretch film is at a percent stretch of about 1% to about 400%;

    b. at least one sensor in operative contact with the conductive ink pattern;

    c. at least one reader in operative communication with the sensor for detecting a tamper event; and

    d. at least one power source that generates a current through the conductive ink pattern.

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