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.

公开(公告)号：US20200297089A1

公开(公告)日：2020-09-24

申请号：US16821126

申请日：2020-03-17

Applicant: ASUSTEK COMPUTER INC.

Inventor： Yi-Chen YEN ,  Shih-Wei CHIOU ,  Yung-Hsiang CHEN

IPC: A45C11/00

Abstract: A protective case adapted for an electronic device is provided. The protective case includes a plurality of plates, at least one pivot module, an outer covering layer, and an inner covering layer. Each plate includes an inner surface and an outer surface, and at least one recess is defined between the plates. The pivot module is disposed in the recess and is connected to the plates. The outer covering layer is bonded to the outer surface of each plate and covers the recess. The inner covering layer is bonded to the inner surface of each plate and covers the recess. A side edge of the outer surface adjacent to the recess includes a chamfer.