METHOD OF SURFACE TREATMENT FOR DIE CASTING MATERIALS FOR MOBILE PHONE CASE, AND THE STRUCTURE

摘要

PURPOSE: A surface treatment method of a die casting material for a cellular phone exterior and a structure thereof are provided to reduce environmental pollution by a painting process by converting an aluminum layer to an anodic oxidation coating film. CONSTITUTION: A surface treatment method of a die casting material for a cellular phone exterior is as follows. A metal surface of the exterior shaped by a die casting is grinded. A metal layer is spread out on the surface of exterior with a vacuum. An anodic oxidation coating film process is implemented on the metal layer spread with a vacuum. Coloring and sealing are implemented on the anodic oxidation coating film. The exterior is made of one of magnesium, aluminum, alloys of zinc.