Registered microperforated films for modified/controlled atmosphere packaging

  • US 6,441,340 B1
  • Filed: 03/17/2000
  • Issued: 08/27/2002
  • Est. Priority Date: 05/04/1999
  • Status: Expired due to Term
First Claim
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1. A microperforation system for making microperforations in a registered target area of packaging material, comprising:

  • a polymeric web;

    a laser mounted over said web;

    a sensor to identify said target area on said packaging material;

    a laser controller to drill said microperforations in said target area; and

    a processor coupled to said laser controller and said sensor, said processor performing calculations, wherein said calculations control a fresh produce package atmosphere within specified O2 and CO2 concentrations and wherein said calculations determine an optimal number and size of said microperforations of said target area.

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