公开(公告)号：US20210079550A1

公开(公告)日：2021-03-18

申请号：US17017088

申请日：2020-09-10

Applicant: ASUSTEK COMPUTER INC.

Inventor： Ying-Ta TSENG ,  Shih-Wei CHIOU

IPC: C25D13/22 ,  C25D13/20 ,  C25D13/02

Abstract: A surface treatment method for a metal housing includes: providing a metal housing made of an oxidizable alloy; performing a surface treatment on the metal housing, to obtain a semi-finished housing, the surface treatment comprises at least one selected from the group consisting of a micro-arc oxidation treatment, a surface painting treatment, a surface cutting treatment, a surface drawing treatment, and a surface defect treatment, the semi-finished housing comprising a substrate-exposed region; and performing a filming treatment on the semi-finished housing, to passivate the substrate-exposed region.