The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 16, 2025

Filed:

Sep. 17, 2024
Applicant:

Asustek Computer Inc., Taipei, TW;

Inventors:

Jui-Huang Weng, Taipei, TW;

Min-Hua Lin, Taipei, TW;

Hsin-An Shu, Taipei, TW;

Assignee:

ASUSTEK COMPUTER INC., Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 7/63 (2018.01); C09D 7/20 (2018.01); C09D 143/04 (2006.01); C25D 11/02 (2006.01);
U.S. Cl.
CPC ...
C09D 7/63 (2018.01); C09D 7/20 (2018.01); C09D 143/04 (2013.01); C25D 11/026 (2013.01);
Abstract

The disclosure provides a surface treatment method which is suitable for a metal substrate. The metal substrate has an appearance surface. The surface treatment method comprises the following steps: first, applying surface sandblasting treatment to an appearance surface to form a sandblasted surface; subsequently, applying micro-arc oxidation treatment to the sandblasted surface in combination with an electrolytic solution to form a micro-arc oxidized surface; and then forming a coating to cover the micro-arc oxidized surface; wherein, the components of the electrolytic solution comprise sodium phosphate, sodium silicate, sodium aluminate, potassium fluoride, potassium hydroxide, ammonium vanadate, potassium vanadate, disodium ethylenediaminetetraacetic acid (NaEDTA) and sodium tetraborate.


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