发明名称 |
MACHINE READABLE AND VISUALLY VERIFIABLE SECURITY THREADS AND SECURITY PAPERS EMPLOYING SAME |
摘要 |
Security strips or threads are provided which are suitable for at least partial incorporation in and/or for mounting on security documents or means for identification such as labels, and which comprise the following deposited or laminated layers: at least one layer of a plastic substrate; a layer of a first security detection feature made up of identifying marks or indicia; and a layer of a second security detection feature comprising a generally invisible, optionally repeating pattern. The repeating pattern comprises at least one very thin conductive region and at least one electrically isolating region. Also provided is a security paper having such a security thread at least partially embedded therein and/or mounted on a surface thereof and a process for making the security paper. Further provided is a method of verifying the authenticity and reading the coded information of a security paper employing such a security thread.
|
申请公布号 |
WO9639685(A1) |
申请公布日期 |
1996.12.12 |
申请号 |
WO1996US09678 |
申请日期 |
1996.06.06 |
申请人 |
CRANE & CO., INC. |
发明人 |
DAMES, ANDREW;DAVIES, GERAINT;NAIMAN, ALARIC |
分类号 |
G07D7/02;G07D7/10;(IPC1-7):G07D7/00 |
主分类号 |
G07D7/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|