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:
Jan. 25, 2022
Filed:
Jun. 11, 2018
Applicant:
Shenzhen China Star Optoelectronics Technology Co., Ltd., Guangdong, CN;
Inventor:
Xiaobo Hu, Guangdong, CN;
Assignee:
SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Guangdong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
H01L 27/124 (2013.01); H01L 27/1259 (2013.01);
Abstract
An electrode structure which includes a copper metal layer formed on a substrate, wherein the copper metal layer doped with a first metal ion within a first depth from upper surface, the first metal ion and the copper grain forming a copper alloy layer; the first depth being less than thickness of the copper metal layer, and the first metal ion being a metal ion having corrosion resistance and an ionic radius smaller than a gap between copper grains.