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 KR20070041777(A) 申请公布日期 2007.04.19
申请号 KR20077005280 申请日期 2007.03.05
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 KUO RICHARD J.;DETJEN MATHIAS;DUNNE BRIAN W.;WHITE KENNETH M.;MARECKI PAUL E.;NIGATU TADESSE G.
分类号 B42D15/00;G09F3/02 主分类号 B42D15/00
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