| 摘要 |
The object of the invention is to provide a reflector in which a reduction in high reflection factor of Ag is restricted, a stable wheatherability can be attained in a continuous manner even if it is exposed in a severe environment of high temperature and high humidity and further a high practical effect with the connecting characteristic being effectively enforced can be attained and also a high reliability is provided. The alloy reflective film made of AgPdCu alloy or AgPdTi alloy with Ag being applied as major component, with Pd being added in a range of 0.5 to 3.0 wt %, with either Cu or Ti, for example, in Al, Au, Pt, Cu, Ta, Cr, Ti, Ni, Co, Si as the third element being added in a range of 0.1 to 3.0 wt % is formed on the substrate in a predetermined film thickness (nm). As its pre-treatment, the organic ground film is applied on the substrate and the reflective film is formed on the film to enforce effectively the connecting characteristic.
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