CPC D03D 15/547 (2021.01) [D03D 1/00 (2013.01); D03D 13/004 (2013.01); D10B 2401/20 (2013.01)] | 11 Claims |
1. 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.
|