Method for marking a laminated film material

摘要

The invention relates to a method for marking a laminated film material comprising at least a metal film and a plastic film material affixed to it by means of an adhesive. To ensure that the marking of the film withstands any subsequent process steps, such as sterilization of the packaging, and is visually appealing, it is envisaged that the plastic film material be removed and/or visibly changed in structure by laser.