发明名称 Durable, tamper resistant security laminate
摘要 A security laminate comprising (1) a protective layer having a first and a second surface, (2) a pattern of low adhesion coating bonded to a portion of the second surface of the protective layer, (3) at least one emblem bonded to a portion of the low adhesion coating/protective layer composite, (4) an adhesive bonded to the emblem layer/low adhesion coating/protective layer composite, and (5) a primer is not included between the low adhesion coating and emblem layers; wherein the bond between the emblem and the protective layer and the bond between the adhesive layer and protective layer are the most tenacious bonds, and the bond between the low adhesion coating and the protective layer is the least tenacious, whereby the emblems and adhesive layers are damaged in the pattern of the low adhesion coating during delamination. Also, secured documents comprising such security laminates and a method for securing documents utilizing such security laminates.
申请公布号 US5683774(A) 申请公布日期 1997.11.04
申请号 US19960602638 申请日期 1996.02.16
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 FAYKISH, LYNN E.;FOSSUM, DOUGLAS K.
分类号 B42D15/10;G09F3/02;(IPC1-7):B32B7/06;B32B7/14 主分类号 B42D15/10
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