Near infrared ink security feature
    7.
    发明申请
    Near infrared ink security feature 有权
    近红外墨水安全功能

    公开(公告)号:US20090045617A1

    公开(公告)日:2009-02-19

    申请号:US12214492

    申请日:2008-06-19

    IPC分类号: B42D15/00

    摘要: Systems and methods of providing a covert security marking for items such as documents, packaging, credit cards, and other valuable goods to combat the steady increase in forgery, counterfeiting, and other fraudulent activities is presented. A spectrally narrow, near infrared ink system serves as the basis of a covert security feature for items of value. Alternatively, or in combination, metal oxides having a substantially narrow absorption band and a maximum absorption wavelength of electromagnetic radiation in the near infrared range are also utilized.

    摘要翻译: 介绍了为文件,包装,信用卡和其他有价值物品等物品提供隐蔽安全标记的系统和方法,以防止伪造,伪造和其他欺诈活动的稳步增长。 光谱窄的近红外墨水系统作为价值物品的秘密安全特征的基础。 或者或组合地,还利用具有近红外范围的电磁辐射的基本上窄的吸收带和最大吸收波长的金属氧化物。