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:
Oct. 28, 2014
Filed:
Nov. 27, 2012
Applicants:
Kilho Lee, Hwasung, KR;
Ki Joon Kim, Hwasung, KR;
Se-woong Park, Hwasung, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/70 (2006.01); H01L 29/82 (2006.01); H01L 27/108 (2006.01);
U.S. Cl.
CPC ...
H01L 29/82 (2013.01); H01L 27/10888 (2013.01);
Abstract
Memory devices and methods of fabricating the same include a substrate including a cell region and a peripheral circuit region, data storages on the cell region, first bit lines on and coupled to the data storages, first contacts coupled to peripheral transistors on the peripheral circuit region, and second bit lines on and coupled to the first contacts. The second bit lines may each have a lowermost surface lower than a lowermost surface of the data storages.