For example, a layer of a metal, such as silver, preferably having a thickness of less than about 200 ??? and a sheet resistance of less than about 12 ohms per square (more preferably, less than about 10 ohms per square, and most preferably, less than about 8 ohms per square), may be overcoated with a metal oxide transparent conductor [such as a thin film layer of indium oxide (itself either undop