摘要 |
<p>An invisible graphics context identifying system and fabrication method thereof is to numeric-code process, decompose, respectively set the secret-mark graphics context on the surfaces of numeric code identifier and presswork, presenting an invisible graphics context. There are a plurality of combined minute lens of particular focus. When the numeric code identifier is covering on the particular location of surface of corresponding presswork, the invisible graphics context appears. The graphic context may produce progressive, alternate, dynamic change of invisible and visible, dark and light. A plurality of numeric code identifier may correspond to the surface of single presswork to present different invisible graphics context. It has the advantage of directviewing, convenience, and anticounterfeit, and it can be used to anticounterfeit of certificate, document, banknote, stamp, commodity, package, etc.</p> |