| http://www.w3.org/ns/prov#value | - In the structure described above, besides Al (aluminum) having a relatively large reflectance, the ???shading material??? includes a pure metal, an alloy, a metal silicide, a polysilicide, or a laminate thereof, containing at least one high melting point metal selected from the group including of Ti (titanium), Cr (chromium), W (tungsten), Ta (tantalum), an Mo (molybdenum).
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