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:
Mar. 15, 2016
Filed:
Aug. 27, 2013
SK Hynix Inc., Gyeonggi-do, KR;
Chung-Seok Choi, Gyeonggi-do, KR;
Jang-Won Moon, Gyeonggi-do, KR;
Jong-Chae Kim, Gyeonggi-do, KR;
Do-Hwan Kim, Gyeonggi-do, KR;
Kyoung-Oug Ro, Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
An isolation structure and method of forming the same. The isolation structure includes a first isolation structure having including an insulation layer formed in a trench in a substrate and a second isolation structure, formed on the first isolation structure. The second isolation structure includes a first impurity region formed in the substrate, the first impurity region having a first impurity doping concentration, and a second impurity region that is formed around the first impurity region, the second impurity region having a second impurity doping concentration that is greater than the first doping concentration.