prov:value
| - A high-melting point metal or metal alloy layer 4 composed of a metal or alloy such as In2 Te3, Mn, Ni, Cr, an Ni-Cr alloy, an Mn-Cr alloy, or an Mn-Cu-Ni alloy or the like is deposited on the light-absorbing and reflecting layer 3 by vacuum evaporation, sputtering, or similar process to a thickness of, for example, 150 ???.
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