Method for creating tamper-evident labels

摘要

A method for creating a tamper-evident label is described. Embodiments of the method or process typically include four steps. In a first step, an ultraviolet cured ink mask can be printed onto a substrate by an inkjet printer. In a second step, once the printing is done and the mask has been formed, the substrate can be anodized in a weakened anodizing bath. In a third step, the ultraviolet cured ink can be removed from the substrate leaving a portion of the substrate unanodized. To remove the ultraviolet cured ink, the substrate can be heated to an elevated temperature and a cleaning solution and/or solvent can be applied to the ultraviolet cured ink mask. In a fourth step, the substrate can be anodized for a second time.

主权项

1. A method for creating a tamper-evident label, the method comprising:
by an inkjet printer, printing ultraviolet cured ink onto a surface of a substrate; anodizing the surface of the substrate a first time; removing the ultraviolet cured ink from the surface of the substrate, wherein removing the ultraviolet cured ink from the substrate includes:
heating the substrate to a temperature between 160° F. to 240° F.;applying a solution to the printed areas on the substrate; andapplying a water spray to the substrate; anodizing the surface of the substrate a second time forming a uniform oxide layer on the substrate.