prov:value
| - me glass by sputtering or the like, ceramics such as alumina or the like, an Si substrate, and so on. [0049] A material for the device electrodes 2, 3 opposed to each other can be an ordinary conductive material, which is properly selected, for example, from metals such as Ni, Cr, Au, Mo, W, Pt, Ti, Al, Cu, Pd, and the like, alloys thereof, printed conductors composed of a metal or a metal oxide s
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