| http://www.w3.org/ns/prov#value | - FIG. 4 shows an equivalent circuit of the detecting circuit wherein the legs 15 and 16 supporting the conductive islands 17 and 18 are constituted for example by a thermal oxidation film or an insulation film such as silicon nitride, and FIG. 5 shows another equivalent circuit thereof wherein the legs 15 and 16 supporting the conductive islands 17 and 18 are constituted by a P++ element.
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