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:
Dec. 08, 2015
Filed:
Oct. 12, 2012
Applicant:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Inventors:
Sung-Ho Cho, Gyeonggi-do, KR;
Woon-Sik Lee, Gyeonggi-do, KR;
Assignee:
Samsung Electronics Co., Ltd., Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 5/04 (2006.01); B21C 23/24 (2006.01); C25D 11/16 (2006.01); C25D 11/24 (2006.01);
U.S. Cl.
CPC ...
C25D 11/16 (2013.01); C25D 11/246 (2013.01);
Abstract
An electronic device case and a surface treatment method thereof are provided in which an exterior case is diecast of an aluminum alloy, an aluminum alloy layer is deposited on an outer surface of the exterior case, an oxidized coating layer is formed on a surface of the aluminum alloy layer, and a sealing layer is formed atop the oxidized coating layer and may seal pores therein. A pigment colored layer may be formed between the oxidized coating layer and the sealing layer.