| http://www.w3.org/ns/prov#value | - Divided polycrystalline silicon layers 6 into which an impurity such as P (phosphorus) or the like for electrically activating silicon has been doped in a high density and a uniform density and a material such as an aluminum alloy layer 9 which is different from polycrystalline silicon including only silicon as a main component are laminated alternately.
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