发明名称 TAMPER INDICATING DEVICES AND METHODS FOR SECURING INFORMATION
摘要 A tamper indicating device. A preferred embodiment of the invention provides a backing having a first side and a second side, wherein the backing comprises a first phase and a second phase, wherein the backing has a first level of light diffusion, and when a peeling force is applied to the backing, the backing fractures or internally delaminates and has a second level of light diffusion that is a higher level of light diffusion than the first level of light diffusion; a flood coat applied to the second side of the backing, the flood coat defining a window therein; and a mask applied to the tamper indicating device, the mask being in partial or whole registration with the window in the flood coat.
申请公布号 WO2004095401(A3) 申请公布日期 2005.03.24
申请号 WO2004US12051 申请日期 2004.04.20
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 GOSSELIN, RAYMOND, R.
分类号 B32B27/08;C09J7/02;G06K19/073;G09F3/02 主分类号 B32B27/08
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