Invention Grant
- Patent Title: Security element with a metallized structured surface
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Application No.: US16362330Application Date: 2019-03-22
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Publication No.: US11179959B2Publication Date: 2021-11-23
- Inventor: Ta-Hua Yu , William Blake Kolb , Douglas S. Dunn
- 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: B42D25/328
- IPC: B42D25/328 ; B42D25/373 ; B42D25/324 ; B42D25/351 ; B42D25/47
Abstract:
A security element, including: a substrate having a first structured major surface and a second structured major surface; and a first metal layer coated on the first structured major surface, wherein the transparency of the first metal layer is between 10% and 90%; and a second metal layer coated on the second structured major surface.
Public/Granted literature
- US20190299700A1 SECURITY ELEMENT WITH A METALLIZED STRUCTURED SURFACE Public/Granted day:2019-10-03
Information query
