ALUMINUM ALLOY REFLECTION FILM FOR OPTICAL RECORDING MEDIUM HAVING EXCELLENT CORROSION RESISTANCE AND SURFACE SMOOTHNESS AND SPUTTERING TARGET FOR FORMING THE REFLECTION FILM

摘要: PROBLEM TO BE SOLVED: To provide an aluminum alloy reflection film for optical recording medium having excellent corrosion resistance and surface smoothness to a sputtering target forming the film. SOLUTION: The comprises containing 0.1 15 mass% Mg 10 one or two more rare earth elements in total if needed. rest of consists Al inevitable impurities concentration is regulated be ≤100 ppm. COPYRIGHT: (C)2007,JPO&INPIT