| http://www.w3.org/ns/prov#value | - Disposed on the substrate 170 is a layer of an electrically conductive material 172, again fabricated of a material as already described, such as ITO. Referring now to FIG. 8, the layer of ITO has been patterned as by conventional photolithography, laser ablation or other acceptable technique, so as to form a series of electrically conductive pads 174, 176, 178 and 180.
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