Cellophane Foil

Defect study of coating

In the food and packing industry mostly coated plastic foils are used in order to prevent food from exposure to air. The coating also works as an anti-oxidant.

 80x80µm image, z-range: 380nm

The image shows a thin cellophane foil. The AFM provides accurate damage analysis of the coating homogenity which is crucial for optimum functionality. The measurement was done in "Dynamic Force" operating mode.

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