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.
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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 |
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代理人 |
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主权项 |
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地址 |
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