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US 12,104,295 B2Granted
Security fabric having improved security and identification properties
AssigneeKorea Minting, Security Printing & ID Card Operating Corp.
InventorsHong Keon Kim, Hyun Jun Kim, Il Hoon Choi, Hyun Jin Oh
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Abstract
Provided is a security fabric having improved security and identification properties, the security fabric comprising security threads containing a fluorescent material, which has an intrinsic light emission characteristic under excitation light, wherein the security threads are included in warp threads, weft threads, or warp and weft threads, and a set number of security threads are included per unit area.
Claims11
A security fabric having improved security and identification properties, the security fabric comprising:
- two or more boundary threads spaced apart from each other and defining a unit of area in-between;
- and
- a predetermined number of first security threads included within the unit of area, the first security threads containing a first fluorescent material having an intrinsic light emission characteristic under excitation light and forming a predetermined pattern within the unit of area,
- wherein the security threads are included in warp threads, weft threads, or both warp and weft threads;
- wherein the two or more boundary threads include at least three horizontal boundary threads parallel to and spaced apart from each other, and at least three vertical boundary threads parallel to and spaced apart from each other, the at least three horizontal boundary threads and the at least three vertical boundary threads defining at least 4 units of area.
2 more elements
Dependencies are inferred from the claim text.