Invention Application
- Patent Title: Security Article Having a Switching Feature
- Patent Title (中): 具有切换功能的安全文章
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Application No.: US14096092Application Date: 2013-12-04
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Publication No.: US20140092475A1Publication Date: 2014-04-03
- Inventor: Vivek Krishnan , Gaurav Manik , Gajendra Rao
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Main IPC: G02B5/128
- IPC: G02B5/128
Abstract:
A security laminate for authenticating an article and a method for authenticating articles is disclosed. The security laminate includes a transparent binder layer and retroreflective microspheres such that the security laminate exhibits a covert switching effect when exposed to particular conditions.
Information query
