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:
Nov. 11, 2014
Filed:
Jun. 06, 2013
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
Cha-Deok Dong, Gyeonggi-do, KR;
Gyu-Hyun Kim, Gyeonggi-do, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/108 (2006.01); H01L 29/78 (2006.01); H01L 21/74 (2006.01);
U.S. Cl.
CPC ...
H01L 29/78 (2013.01); H01L 27/10876 (2013.01); H01L 21/743 (2013.01); H01L 27/10885 (2013.01);
Abstract
A semiconductor device includes an active region having a sidewall, which has a sidewall step, a junction formed under a surface of the sidewall step, and a buried bit line configured to contact the junction.