PAPER/ PLASTIC LAMINATE AND ELECTROMAGNETIC SHIELDING MATERIAL
A laminate material comprising: a paper web; a polymeric film having a top surface and a bottom surface, wherein the top surface of the polymeric film is bonded to a bottom surface of the paper web by a first adhesive; and a layer of conductive material with a thickness of at least 2×10 −7 inches, the layer of conductive material having a top surface and a bottom surface, wherein the top surface of the layer of conductive material is bonded to the bottom surface of the polymeric film by a second adhesive, wherein the laminate material is configured to shield radiation having frequencies from 125 kHz to at least 3 GHz.
1 . A laminate material comprising:
a paper web;
a polymeric film having a top surface and a bottom surface, wherein the top surface of the polymeric film is bonded to a bottom surface of the paper web by a first adhesive; and
a layer of conductive material with a thickness of at least 2×10 −7 inches, the layer of conductive material having a top surface and a bottom surface, wherein the top surface of the layer of conductive material is bonded to the bottom surface of the polymeric film by a second adhesive,
wherein the laminate material is configured to shield radiation having frequencies from 125 kHz to at least 3 GHz.
2 . The laminate material of claim 1 , wherein the polymeric film includes polyester.
3 . The laminate material of claim 1 , wherein the layer of conductive material includes one or both of aluminum and copper.
4 . The laminate material of claim 1 , wherein one or both of the first adhesive and the second adhesive is a 100% solids adhesive.
5 . The laminate material of claim 1 , wherein one or both of the first adhesive and the second adhesive is solid.
6 . The laminate material of claim 1 , wherein one or both of the first adhesive and the second adhesive is a water-based adhesive.
7 . The laminate material of claim 1 , wherein one or both of the first adhesive and the second adhesive is a solvent-based adhesive.
8 . The laminate material of claim 1 , wherein the paper web includes a filler material capable of providing a particular visual property of the paper web.
9 . A laminate material comprising:
a first paper web;
a polymeric film having a top surface and a bottom surface, wherein the top surface of the polymeric film is bonded to a bottom surface of the first paper web by a first adhesive;
a layer of conductive material with a thickness of at least 2×10 −7 inches, the layer of conductive material having a top surface and a bottom surface, wherein the top surface of the layer of conductive material is bonded to the bottom surface of the polymeric film by a second adhesive; and
a second paper web having a top surface that is bonded to the bottom surface of the layer of conductive material by a third adhesive,
wherein the laminate material is configured to shield radiation having frequencies from 125 kHz to at least 3 GHz.
10 . The laminate material of claim 9 , wherein the polymeric film includes polyester.
11 . The laminate material of claim 9 , wherein the layer of conductive material includes one or both of aluminum and copper.
12 . The laminate material of claim 9 , wherein one or more of the first, second, and third adhesives is a 100% solids adhesive.
13 . The laminate material of claim 9 , wherein one or more of the first, second, and third adhesives is solid.
14 . The laminate material of claim 9 , wherein one or more of the first, second, and third adhesives is a water-based adhesive.
15 . The laminate material of claim 9 , wherein one or more of the first, second, and third adhesives is a solvent-based adhesive.
16 . The laminate material of claim 9 , wherein one or both of the first paper web and the second paper web includes a filler material capable of providing a particular visual property of the respective paper web.
17 . A security device capable of electromagnetically shielding an RFID smart chip, the security device comprising:
a dimensionally stable electromagnetic shielding laminate material comprising:
a paper web, and
a layer of conductive material with a thickness of at least 2×10 −7 inches, the layer of conductive material having a top surface and a bottom surface, wherein the top surface of the layer of conductive material is bonded to a bottom surface of the paper web by a first adhesive; and
a substrate positioned adjacent to the dimensionally stable electromagnetic shielding laminate material;
wherein the dimensionally stable electromagnetic shielding laminate material is configured to shield radiation having frequencies from 125 kHz to at least 3 GHz.
18 . The security device of claim 17 , wherein the layer of conductive material includes one or both of aluminum and copper.
19 . The security device of claim 17 , further comprising a polymeric film having a top surface and a bottom surface, wherein the top surface of the polymeric film is bonded to the bottom surface of the layer of conductive material by a second adhesive.
20 . The security device of claim 19 , wherein the polymeric film includes polyester.
21 . The security device of claim 17 , wherein one or both of the first adhesive and the second adhesive is a 100% solids adhesive.
22 . The security device of claim 17 , wherein one or both of the first adhesive and the second adhesive is solid.
23 . The security device of claim 17 , wherein one or both of the first adhesive and the second adhesive is a water-based adhesive.
24 . The security device of claim 17 , wherein one or both of the first adhesive and the second adhesive is a solvent-based adhesive.
25 . The security device of claim 17 , wherein the paper web includes a filler material capable of providing a particular visual property of the paper web.
26 . The security device of claim 17 , wherein the substrate is one or more of wallpaper, paper of an envelope, a sleeve, a passport sleeve, a sheath, a holder, and a folder into which the RFID smart chip can be inserted.