发明名称 Laser Transfer of Security Features
摘要 The present invention relates to a process for increasing the counterfeiting protection of high-value products, documents of value and security documents by means of uncopyable security features which are transferred into the respective material with the aid of laser technology.
申请公布号 US2008290649(A1) 申请公布日期 2008.11.27
申请号 US20060095401 申请日期 2006.11.24
申请人 KLEIN SYLKE;ULLMANN KLAUS-CHRISTIAN 发明人 KLEIN SYLKE;ULLMANN KLAUS-CHRISTIAN
分类号 B42D15/00 主分类号 B42D15/00
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