ANTI-CORROSION TREATMENT PROCESS FOR ALUMINUM OR ALUMINUM ALLOY AND ALUMINUM OR ALUMINUM ALLOY ARTICLE THEREOF

摘要

An aluminum or aluminum alloy article is described. The aluminum or aluminum alloy article includes an aluminum or aluminum alloy substrate, a color layer formed on the substrate, and an insulation layer formed on the color layer. The color layer is formed by vacuum sputtering. The insulation layer is an external layer of the aluminum or aluminum article.