| 摘要 |
The present invention relates to a security element (2) comprising a substrate including a text, in particular a microtext or nanotext, comprising a set of characters of substantially the same size, wherein at least one among the character font, character weight, line spacing and/or character spacing varies in at least one direction within said set, in the case of a character spacing variation, having at least three different character spacing values or at least two - or better three - different character spacing values affecting at least two - or better at least three - different terms, the character spacing varying between the characters within a single term, or at least two - or better three - different character spacing values affecting at least two - or better at least three - identical terms repeating in a single direction, the character spacing varying between at least two characters of the same rows of said terms and/or the character spacing varying between the characters within a single term, and in the case of a weight variation, at least three different levels. |
