An electromagnetic shield has a first patterned or apertured layer (80 of Figure 4) having non-conductive materials and conductive material and a second patterned or apertured layer (82 of Figure 4)having non-conductive materials and conductive material. The conductive material may be a metal, a carbon composite, or a polymer composite. The non-conductive materials in the first patterned or apertured layer may be randomly located or located in a predetermined segmented pattern such that the non-conductive materials in the first patterned or apertured layer are located in a predetermined segmented pattern with respect to locations of the non-conductive materials in the second patterned or apertured layer.