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.
通过用微缩文字,来增加防伪特征。闪烁的微缩文字,在
有
用放大镜的情况下,
的只是
条线,而在
用放大镜观
时,可
连续重复的文字、编码及数字等。