prov:value
| - As for the material for the device electrodes 2 and 3, it is possible to employ a common electrically-conductive material for example metal or an alloy such as Ni, Cr, Au, Mo, W, Pt, Ti, Al, Cu, or Pd, a printed conductor composed of glass and a metal or a metal oxide such as Pd, Ag, Au, RuO2, Pd???Ag, a transparent conductor such as In2O3 or SnO2, or a semiconductor material such as polysilicon.
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