{HEAD ~ One embodiment} provides {TAIL ~ metallic alloys} for use in thin film reflective layers, these alloys have high reflectivity, sputtering characteristics similar to gold, are corrosion resistant, and are generally less expensive than gold 
provides
{ HEAD ~ One embodiment } provides { TAIL ~ metallic alloys } for use in thin film reflective layers , these alloys have high reflectivity , sputtering characteristics similar to gold , are corrosion resistant , and are generally less expensive than gold
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