Patent ID: 7959746
Filing Date: 2011-06-14
Classification: C22C,C23C,G11B,Y10T

Abstract:
1. A sputtering target material for forming a thin film having high reflectance, said material being an Ag base alloy consisting of Ag having a purity of at least 99.95%, 0.008-0.15 mass % of P, 0.01-0.8 mass % of at least one metallic element selected from In, Sn and Zn, 0.01-0.8 mass % of Au and/or 0.01-2.0 mass % of Pd and/or 0.01-0.9 mass % of Pt, and 0.01-2.0 mass % of at least one metallic element selected from Cu, Ni, Fe and Bi; and P, In, Sn, Zn, Au, Pd, Pt, Cu, Ni, Fe and Bi having a purity of at least 99.9%.