发明名称 Tamper-indicating printable sheet for securing documents of value and methods of making the same
摘要 A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads partially embedded in an inkjet receptive beadbond layer; and a reflector layer between one of the microbeads and the inkjet receptive beadbond layer. The present invention provides a method of making a tamper-indicating printable sheet.
申请公布号 US7648744(B2) 申请公布日期 2010.01.19
申请号 US20040913850 申请日期 2004.08.06
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 KUO RICHARD J.;DETJEN MATHIAS;DUNNE BRIAN W
分类号 B41M5/00 主分类号 B41M5/00
代理机构 代理人
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