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.
Patent No.:
Date of Patent:
Jul. 29, 2014
Filed:
Jul. 22, 2011
Hsin-pei Chang, New Taipei, TW;
Wen-rong Chen, New Taipei, TW;
Huann-wu Chiang, New Taipei, TW;
Cheng-shi Chen, New Taipei, TW;
Dun Mao, Shenzhen, CN;
Hsin-Pei Chang, New Taipei, TW;
Wen-Rong Chen, New Taipei, TW;
Huann-Wu Chiang, New Taipei, TW;
Cheng-Shi Chen, New Taipei, TW;
Dun Mao, Shenzhen, CN;
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, CN;
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Abstract
A process for treating the surface of magnesium alloy comprises providing a substrate made of magnesium alloy. The substrate is then treated with a chemical conversion treatment agent containing ammonium dihydrogen phosphate and potassium permanganate, to form a chemical conversion film on the substrate. A ceramic coating is then formed on the chemical conversion film using vacuum sputtering.