Reflective alloy film

Abstract

A reflective alloy film having high strength, high corrosion resistance, and high reflectivity includes 0.01-2.0 at % of at least one strengthening element, 0.01-2.0 at % of at least one anti-corrosive element, 0.01-3.0 at % of at least one reflective element, and a balance amount of silver. The total atomic percentage of the strengthening element, the anti-corrosive element, and the reflective element is less than 5.0. The reflective alloy film is useful as a reflective layer or a semi-reflective layer for various electronic devices, such as flat panel displays and optical storage media.

1 . A reflective alloy film comprising: 
 0.01-2.0 at % of at least one strengthening element;    0.01-2.0 at % of at least one anti-corrosive element;    0.01-3.0 at % of at least one reflective element; and    a balance amount of silver,    the total atomic percentage of said strengthening element, said anti-corrosive element, and said reflective element being less than 5.0.    
   
   
       2 . The reflective alloy film as claimed in  claim 1 , wherein said strengthening element is selected from the group consisting of barium, scandium, silicon, titanium, indium, germanium, zinc, and bismuth.  
   
   
       3 . The reflective alloy film as claimed in  claim 1 , wherein said anti-corrosive element is selected from the group consisting of scandium, beryllium, aluminum, titanium, chromium, zinc, and nickel.  
   
   
       4 . The reflective alloy film as claimed in  claim 1 , wherein said reflective element is selected from the group consisting of palladium, copper, and platinum.  
   
   
       5 . The reflective alloy film as claimed in  claim 1 , wherein said strengthening element is germanium, said anti-corrosive element is nickel, and said reflective element is platinum.  
   
   
       6 . The reflective alloy film as claimed in  claim 5 , comprising 0.5 at % of said germanium, 0.5 at % of said nickel, and 1.0 at % of said platinum.  
   
   
       7 . The reflective alloy film as claimed in  claim 1 , wherein said strengthening element is indium, said anti-corrosive element is titanium, and said reflective element is copper.  
   
   
       8 . The reflective alloy film as claimed in  claim 7 , comprising 0.05 at % of said indium, 0.5 at % of said titanium, and 0.5 at % of said copper.