| 20090195390 | SECURITY TAG AND METHOD OF MANUFACTURING THE SAME - A security tag including a carrier film, a transparent glue, and one or more micro-sheets is provided. Each micro-sheet is provided with a specific engraved pattern with dimensions in the micron range. The transparent glue and the micro-sheets are mixed together in advance and then dropped on the surface of the carrier film for solidification. The micro-sheets with specific engraved pattern are randomly distributed within the transparent glue and compose a unique feature that is hardly reproduced. Thus, the security tag could provide an authentication of an article. | 08-06-2009 |
