METAL MATERIAL FOR OPTICAL SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING THE SAME, AND OPTICAL SEMICONDUCTOR DEVICE USING THE SAME

摘要

To provide a metal material for an optical semiconductor device that has an enhanced adhesion property with a resin material, and to provide a method of manufacturing the same and an optical semiconductor device using the same.SOLUTION: Provided is a metal material for an optical semiconductor device that has, on a conductive base substance in this order: a nickel or nickel alloy plating layer; a gold or gold alloy plating layer; and an indium or indium alloy plating layer whose thickness is equal to or more than 0.002 μm and equal to or less than 0.3 μm.SELECTED DRAWING: Figure 2A