multilayer polymer filmsIn applications that use barrier films, such as food and medical packaging, the standard practice is to overengineer packaging to guarantee packaging integrity. This is typically done by applying 20% or more material to the end product. However, at a high cost per pound, this could cost manufacturing operations well over six figures—annually.

Lumetrics’ OptiGauge II, a low-coherence interferometer, addresses this high-cost manufacturing issue with its capabilities in highly accurate multi-layer thickness measurements of transparent and translucent materials.

The OptiGauge helps manufacturers by:

  • monitoring thickness
  • providing real-time data to help control process
  • reducing expensive material waste
  • guaranteeing product performance

In this paper, we discuss how the OptiGauge II is ideally suited for offline or online inspection of barrier films.


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