Flashing microtext that, when viewed with the unaided eye, appears to be part of the line design, bet under magnification is seen as a repeated pattern of words, codes or numbers.
通过使用微缩文,来增加防伪特征。闪烁的微缩文
,
有使用放大镜的情况下,看
的只是
条线,而
使用放大镜观看时,可以看
重复的文
、编码及数
等。