To provide an electrically conductive fabric weavable by loom entirely similarly to ordinary fabrics despite having high electromagnetically shielding performance with enlarged proportion of the area of an electrically conductive metallic wire material exposed onto the fabric surface.
The electrically conductive fabric 1 is such that its constituent blended yarn 2 is formed by Z-twisting(4a) and S-twisting(4b) a nickel-clad copper wire material 4 on nylon fibers 3 around the bundle 3 of the plurality of nylon fibers, wherein the thickness of the nickel-clad copper wire material 4 is about 80μm. Therefore, the nickel-clad copper wire material 4 is rich in stretchability because of being twisted around the nylon fibers 3 of necessary thickness, and even if the nylon fibers 3 are maximally covered with the nickel-clad copper wire material 4, the blended yarn 2 formed has sufficiently high tenacity and flexibility; therefore, the electrically conductive fabric 1 can be easily obtained using an ordinary loom. When the electromagnetically shielding performance of the electrically conductive fabric 1 is measured, the performance indicates a value of as high as 65-70 dB at a frequency of 100 MHz.
COPYRIGHT: (C)2006,JPO&NCIPI
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Minoru Yamada